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Wavecom W-CLOUD Manual

Summary of W-CLOUD

  • Page 1

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 by wavecom elektronik ag.

  • Page 2

    Published by wavecom elektronik ag hammerstrasse 8 ch-8180 buelach switzerland phone +41-44-872 70 60 fax +41-44-872 70 66 email: info@wavecom.Ch internet: http://www.Wavecom.Ch © by wavecom elektronik ag. All rights reserved. Reproduction in whole or in part in any form is prohibited without writte...

  • Page 3: Contents

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 contents  iii contents general information 2 welcome ..................................................................................................... 2 revisions .........................................................................

  • Page 4

    Iv  contents wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 modem settings… ............................................................................ 43 msi ............................................................................................... 43 resync mode ................

  • Page 5

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 contents  v fsk analysis options ....................................................................... 87 fsk code check ......................................................................................... 88 fsk code check hf ......

  • Page 6

    Vi  contents wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 chu ........................................................................................................ 139 cis-11 .................................................................................................... 140...

  • Page 7

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 contents  vii mil-m-55529a nb/wb .............................................................................. 195 mobitex-1200 ......................................................................................... 196 mobitex-8000 ....

  • Page 8

    Viii  contents wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 si-fec .................................................................................................... 241 sitor-arq .............................................................................................. 241 s...

  • Page 9

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 contents  ix modem and fax modes 309 overview ................................................................................................. 309 line transmission ..........................................................................

  • Page 10

    X  contents wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general ........................................................................................ 353 prices ........................................................................................... 354 delivery time ..........

  • Page 11

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information  1.

  • Page 12: General Information

    2  general information wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information welcome thank you for choosing a wavecom decoder product. The product that you have purchased includes the latest technology in data decoding, together with the latest software release available...

  • Page 13

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information  3 version date changes 6.5.00 27-apr-2007 new protocols: - pactor-fec - cv-786 - md-674 - mil-m-55529a - mobitex-1200 - visel - stanag-5066 improvements and modifications: inputs added (streaming and user inputs) pas...

  • Page 14

    4  general information wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 version date changes codemeter added. 6.6.60 22-jan-2009 new protocols: - sat-b-c-tfc - robust packet radio - orbcomm improvements and modifications: user manual split into a w-code and w-61 manual fax and modem ad...

  • Page 15

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information  5 version date changes (ascii)” wavecom data file format, additional information added added: list of checked modes with fsk code check name of robust-packet-radio changed to robust-packet changed license manager. 6....

  • Page 16

    6  general information wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 version date changes crc added - mil-141a, codan-9001: improved performance for golay (24, 12) decod- er - mil-39t: display formats “ascii” and “ita-5” merged - cis-36-50, cis-50-50: more fault-tolerant start and s...

  • Page 17

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information  7 version date changes 7.2.00 27-jul-2011 - gw-ofdm protocol added. - link-11 protocol added. - sat protocols, clover2/2000, codan9001, pactor-iii require no longer an additional optional license. All functions are n...

  • Page 18

    8  general information wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 version date changes - dedicated phase plane for mil/stanag modes to show the psk signal be- fore and after the equalizer. - mil-188-110a can now be synchronized on the probe: on-going synchroni- zation. - dmr has ...

  • Page 19

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 general information  9 version date changes 9.0.0 03-oct-2016 - new mode pactor-4. - new mode tetrapol. - 70 mhz if input of wavecom hardware decoders w-pci, w-pcie and w74pc also available for hf/vhf/uhf mode groups. - input bits to voc...

  • Page 20

    10  general information wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 and decompression, the email(s) and possible attachment(s) are output as files. The following email sys- tems will be recognized and decoded respectively. Email system recognize decode amos y y blast y n dualog y ...

  • Page 21: Setup

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 setup  11 setup w-pci/w-pcie the wavecom hardware decoder series w-pci and w-pcie have two physically independent 16-bit a/d converters. Each card has five inputs in two groups: afif#1, if70#1a and if70#1b for the group#1 and afif#2 and ...

  • Page 22

    12  setup wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 w-pcie card. Both w-pci and w-pcie cards have five sma signal inputs. The following table is a technical hardware specification. Specification card type half-size pci card (w-pci), half-size pcie x1 card (w-pci express) inputs ...

  • Page 23: W74Pc

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 setup  13 specification case temperature range 0 °c to 55 °c storage temperature range 0 °c to 70 °c relatively humidity (non-condensing) 10 to 90% a/d converter 16-bit digital down converter (ddc) fpga license key in-card license, no ex...

  • Page 24

    14  setup wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 w74pc has four sma signal inputs. The following table is the technical hardware specification. Specification card type half-size pcie x4 card inputs afif#1 – afif#4 if70#1 – if70#4 frequency range 50 hz – 25 mhz 52.5 mhz – 87.5...

  • Page 25: W-Code

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 setup  15 w74pc software installation (please refer to software installation w-code, w74pc, w-pci and w-pcie .) wavecom hardware decoder license wavecom hardware decoders w-pci, w-pcie and w74pc use a 25-alphanumeric-digit key as license...

  • Page 26

    16  setup wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 change the destination folder and click “next” to continue the installation. Click “next” to continue the installation. Wait until the installation is finished. If the installation was successful, click finish to complete the p...

  • Page 27

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 setup  17 w-code device dialog window. W-cloud networking a w-cloud device is like a local w-code device, e.G., soundcard, w-pci or w-pcie cards. The only dif- ference is a w-cloud device is physically at a remote site (over the internet...

  • Page 28

    18  setup wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 w-code licensing by default, w-code is licensed using a usb cmstick. An update option for a period of 12, 24, 36, 48, 60 months is available. Optional additions to the basic w-code application are available from wavecom. On req...

  • Page 29: Software Uninstall

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 setup  19 w-code license checking to check the license(s) on the cmstick follow these steps: open the codemeter webadmin interface from the codemeter tray icon. Press the “webadmin”. Licenses available on the cmstick are listed in this s...

  • Page 30

    20  setup wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 vista xp windows 7 click on start, go to the computers menu and click the unin- stall or change a program button select wavecom w- [xx] from the list click uninstall click on start, go to the settings menu and open control pane...

  • Page 31: First Start

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  21 first start w-code first start after the software and the cmstick have been successfully installed, the decoder program can be started either from the windows start menu or by double-clicking the program icon on your desk...

  • Page 32: Gui

    22  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 select a device number and click close to save the entry. If you require more details regarding remote connections and connection parameters see “ w-code device… ” on page 52. The decoder is now ready for use. Apply a sig...

  • Page 33: Command Line Parameters

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  23 the windows elements toolbar, wavecom toolbar, level indicator and spectrum indi- cator may be moved anywhere in the screen as required. In the view menu the user may show or hide all window elements. By default, all elem...

  • Page 34

    24  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 path names can vary if you use a non- english language operating system or if you are not using the mi- crosoft “windows explorer”. Folder xp vista program fold- er (ro) c:\program files\wavecom\\ c:\program files\wavecom...

  • Page 35: Main Menu

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  25 program folder global data (ro) global data (rw) graphical user interface (gui) main menu the main menu includes all submenus relating to operating modes, as well as analysis and setup func- tions. The windows operating s...

  • Page 36: File Menu

    26  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the functions of the file, view and window menus are general system functions in accordance with the windows standard. File menu using the file menu, files may be saved and opened. Other functions such as the media player...

  • Page 37

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  27 print preview preview the output before sending it to the printer print setup… open the printer setup dialog recent file displays a list of recently opened files note: files that are saved with save and save as... Are sto...

  • Page 38

    28  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 signal routing: media player recording signal routing: media player playback main control buttons the media player/recorder is controlled primarily using the main control buttons: record play pause stop loop press the rec...

  • Page 39

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  29 clear list clears the list of previously used files. Time display during the recording process, the current length of the recording (in minutes and seconds) is displayed at the left side and the total time of the recordin...

  • Page 40

    30  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 to select the source use the input source control: note: on windows vista and later, all input sources from all sound cards are listed under the 'input de- vice' control, and the 'input source' control is not available. V...

  • Page 41

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  31 the wav file format supports files up to a maximum size of 4 gb. The maximum length of recording that can be made depends on the sample rate, number of channels and bits per sample. The table below lists the maximum recor...

  • Page 42: Hf-Modes Menu

    32  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 hf-modes menu the various hf protocols are displayed in the hf-modes menus and are divided into different groups. To select the modes of a group, left-click or let the mouse rest briefly on the group item to be selected. ...

  • Page 45: Vhf/uhf-Sub Menu

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  35 vhf/uhf-sub menu indirect modes require additional am or fm demodulation in the receiver. If the signal is demodulated from an if-iq signal (offset frequency 0), then a standard am or fm software demodulator is automat- i...

  • Page 46: Satellite Menu

    36  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 satellite menu the various satellite protocols are displayed in the satellite menu. To start decoding of the desired mode, click on it or to select the modes of a group, left-click or let the mouse rest briefly on the gro...

  • Page 49

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  39 bit inversion mask one or several data bits may be inverted by using the bit inversion mask item in the options menu. The bit inversion mask can be entered in three different ways: in the top input box a decimal number be...

  • Page 50

    40  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 clear screen this function will clear the screen contents. All data will be lost. Code statistics for five bit alphabets a code statistics window can be shown below the text window. In the options menu chose code statisti...

  • Page 51

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  41 frame format… ias ias is the abbreviation for iso-asynchronous and synchronous modes. Iso-asynchronous modes have start and stop elements like baudot, but the code words have an integer number of elements. The ias functio...

  • Page 52

    42  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 message type is used to apply terminal specific settings like: sync/async number of databits parity bits - none - even - odd - mark - space number of stop bits bit sequence order - msb - lsb display format - ita5 (ascii) ...

  • Page 54

    44  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 pressing change order will reverse the polarity of the signal and pressing default st will restore the de- fault value. By right-clicking on the display a menu appears. Sat settings… for the sat modes, additional paramete...

  • Page 55

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  45 - telx_sm: single message monitoring: only the telex of the mes found in the control channel will be recorded. - telx_mm: multi message monitoring, the mode stays on the tdm channel until there are no more telex transmiss...

  • Page 56: Demodulator Menu

    46  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 demodulator menu using the demodulator menu all parameters for decoding may be edited. In addition to baud rate, the options and values for mode, shift, center frequency, offset frequency, input and input gain may be man-...

  • Page 57

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  47 lowing phase comparator calculates the phase difference between the signal from the integrator and the delayed signal. A variant of dpsk is used almost exclusively when phase modulation is employed on short wave data link...

  • Page 58

    48  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 subtone the same as dsp, but the parameters are optimized for low frequencies. Pb center... Click on the pb center menu item to adjust the center frequency of the passband filter. For more details see “ passband filter su...

  • Page 59

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  49 input... W-pci and w-pcie cards support a number of inputs: afif#1, afif#2 are two physically independent inputs. They have a range of 50 hz–25 mhz. These inputs should be used when the source is an af output (line or spe...

  • Page 60: Favorites Menu

    50  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 als for w-pci and w-pcie device. Click the “autoset” button, after the adjustment is finished you can adjust the signal level by moving the level slider. The gain parameters are saved in the system, i.E., it is not necess...

  • Page 61: Configuration Menu

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  51 open... Select open to reload the settings. Save as... Select save to save the settings. Configuration menu in the configuration menu all general setup functions are available..

  • Page 62

    52  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 w-code device… the first time the decoder application is started with the decoder card installed, the location of the decoder devices must be set. In the example above, the w-code software is looking for devices in a loca...

  • Page 63

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  53 font... Clicking font opens a configuration window. Important: please, note that changing the font and changing the alphabet are two different actions. If you change the alphabet, then you select a table in a unicode font...

  • Page 64

    54  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 settings... Clicking setttings... Opens a configuration window. You can enable or disable different options, to control the behavior of the application: when selecting "print" include front page containing all mode settin...

  • Page 65

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  55 the gui displays a number of input fields: ocean region. Select the ocean region satellite pointed to by the monitoring antenna. Oscillator frequency. Set this parameter to the frequency of the local oscillator used, or s...

  • Page 66

    56  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 user can choose the tab “content -> license” to view the license available on the pc. For wavecom hardware decoders w-pci, w-pcie and w74pc a dialog window opens for the user to input a 25 alpha-numeric key. The key will ...

  • Page 67

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  57 in the screen shot below two user-defined inputs appear. In the left table, the user defined custom inputs are listed. In the right table, the parameters of the currently selected custom input are displayed. The pa- ramet...

  • Page 69

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  59 file input parameter value input name the name of the custom input device select file in the list file path the path to the specific wav-file has to be specified channel in the list box the channel(s) to be used are displ...

  • Page 70

    60  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 right (pcm) or left & right (iq) sampling rate [hz] the sampling rate is fixed at 48 khz note: if the gui is running in remote mode, the names of the sound cards installed on the remote com- puter which hosts the wavecom ...

  • Page 71

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  61.

  • Page 72

    62  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 input parameter value input name the name of the custom input device select network in the list port number enter the a port number. The data source must be configured with the same port num- ber format select vita-49 sam...

  • Page 73

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  63 edit a custom input select the custom input from the input list on the left in the custom inputs dialog. For instance, select the baudot entry, which is a file input. Now it is possible to modify the parameter values in t...

  • Page 74

    64  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 custom alphabets… custom defined alphabets are also available. This feature allows the user to add alphabets of his own cre- ation that have not been defined by wavecom, and to add variants of existing alphabets. Only 5-b...

  • Page 75

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  65 the system combo list is used to set the length of the codeword for a user defined alphabet. The present version allows only 5-bit alphabets. Click transparent to select if control characters are to be displayed in the de...

  • Page 76

    66  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 reference signals which may be used include weather fax transmissions and time signals, e.G., chu, dcf77, msf, hbg etc. For instance, chu transmits a short tone pulse every second. If the band pass filter is tuned to the ...

  • Page 77: View Menu

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  67 as the sampling rate calibration feature utilizes an am demodulator, input level should be as high as pos- sible, resulting in a high level of contrast which facilitates the adjustments. If necessary use the “demodu- lato...

  • Page 78: Other Gui Elements

    68  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 contents selecting contents opens the online help system. Help on clicked buttons, menus and windows are then available. Wavecom on the web contents access the decoder help file. Www.Wavecom.Ch links to website of wavecom...

  • Page 79

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  69 go forward in the history list after going back in the history list classifier classifier code check start/stop classifer fsk auto tuning fsk analysis fft analysis sonagram analysis waterfall analysis resync mode toggle l...

  • Page 80

    70  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 double-clicking on status bar fields double-clicking the status bar fields will open the corresponding dialog box. This facilitates the use of the decoder software. A double-click on the shift field, baud rate field, freq...

  • Page 81

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  71 the sat frequency tuning bar display elements are mode dependent. There are three different variations of the frequency bar: sat-b, sat-m, sat-mm display of the real frequency. Direct tuning is disabled. Sat-b-c-tfc, sat-...

  • Page 82

    72  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 in multi-card systems, each card has its own section in the xml file. The user may edit these files by hand, however it is recommended to use the sat frequency tuning bar. The installation package contains example xml fil...

  • Page 83

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  73 window type signal type frequency resolution spectral leakage amplitude accuracy blackman random poor best poor hamming random good fair fair hanning random good good fair rectangular transient best poor poor period... Fr...

  • Page 84

    74  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 if a mode is already active it will not be terminated or halted by opening the full-screen menu. Click on cancel or the close button to leave the menu. The descriptions of the operating modes in another section of this ma...

  • Page 85

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  75 vhf/uhf-dir mode selector vhf/uhf-dir analysis selector.

  • Page 86

    76  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 vhf/uhf-sub mode selector vhf/uhf-sub analysis selector satellite mode selector.

  • Page 87

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  77 satellite analysis selector fax & modem mode selector.

  • Page 88

    78  first start wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 fax & modem analysis selector passband filter support perfect signal processing (filtering) is essential for best decoding results, which are achieved by using the correct filters in the receiver. Doing so prevents blocki...

  • Page 89

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 first start  79 item pb conf. Remarks dsp + freely configurable am + freely configurable cw + freely configurable gfsk + pb center frequency controlled from offset frequency setting ffsk + pb center frequency controlled from offset frequ...

  • Page 90: Analysis Tools

    80  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools fft the real-time fft analysis is a powerful spectrum analysis tool based on fast fourier analysis (fft), oper- ating in real time with a 4096-point resolution. The signal is digitized, saved and its fre...

  • Page 91

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  81 fft (hf, sub, dir and sat) fft type start frequency end freqeuncy fft hf offset frequency bandwidth fft sub offset frequency bandwidth fft dir offset frequency – bandwidth/2 offset frequency + bandwidth/2 fft sat offse...

  • Page 92

    82  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 these options can be set using the right mouse button or the context menu (see “ fft/sonagram context menu ” on page 72). It is possible to remove the tuning fft or sonagram in the view menu. Tuning psk signals the upp...

  • Page 93: Fft And Sonagram

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  83 fft and sonagram this analysis tool combines real-time fft and sonagram analysis modes. Detailed information for each of the analysis tools can be found in the corresponding descriptions, see “ fft ” on page 80 and “ s...

  • Page 94: Sonagram

    84  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 waterfall (hf, sub, dir and sat) fft type start frequency end freqeuncy waterfall hf offset frequency bandwidth waterfall sub offset frequency bandwidth waterfall dir offset frequency – bandwidth/2 offset frequency + b...

  • Page 95: Oscilloscope

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  85 sonagram (hf, sub, dir and sat) fft type start frequency end freqeuncy sonagram hf offset frequency bandwidth sonagram sub offset frequency bandwidth sonagram dir offset frequency – bandwidth/2 offset frequency + bandw...

  • Page 96: Fsk Analysis

    86  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the vertical sensitivity may be set with the option time/div. Nine predefined values are available covering a range from 200 s to 100 ms per division. Using the oscilloscope gain option, the hori- zontal un-calibrated...

  • Page 97

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  87 plays are updated around every 5 seconds. The calculated baud rate, center frequency and frequency shift values of the latest sample are stored to be used whenever a decoding mode is selected. Two pairs of cursors may ...

  • Page 98: Fsk Code Check

    88  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 zoom right-click with the mouse into the spectrum or baudrate graph pane (upper panes) and se- lect if you like to zoom 2x or or to zoom 4x. To adjust the frequency scale, move the cur- sor into the range of the freque...

  • Page 99

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  89 steps: after starting the fsk code check the frequency shift, center frequency and baud rate are deter- mined. The values of these parameters are displayed in the appropriate fields after measurement has finished. The ...

  • Page 100

    90  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the software proceeds to create a list of modes to check, which is displayed in the code check window. The content of this list depends on the selection of the fast scan or full scan options. In fast scan mode, the lis...

  • Page 101

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  91 the name of each identified system is displayed in the output window. An identified system may be immediately started by double-clicking the system in the output window - for instance double- clicking acars in the figu...

  • Page 102

    92  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 steps: after starting the fsk code check, the frequency shift, center frequency and the baud rate are de- termined. The values of these parameters are displayed in the appropriate fields after the meas- urement has com...

  • Page 103

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  93 psk symbol rate (hf, dir, sub and sat) when starting psk signal analysis, one is trying to determine the characteristics of an unknown signal. The normal starting point for this is the fft. The fft is used to determine...

  • Page 104

    94  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 psk phase plane (hf, dir, sub and sat) the phase analysis tool is used for analyzing the characteristics of phase modulated signals, and to a lim- ited extent, m-ary pam (phase amplitude modulation) signals. If the sym...

  • Page 105

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  95 demodulator mode if you select iq as the demodulator, the signal is not demodulated at all. Instead, the phase of the signal is visually 'compared' with a reference signal. Providing the correct reference signal is sel...

  • Page 106

    96  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 plane” in most mil/stanag modes to show the phase constellation before (in yellow) and after (in blue) the equalizer. The phase display in yellow would correspond to the display in the traditional phase plane. User can...

  • Page 107: Mil-Stanag Code Check

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  97 the software then proceeds with code and system analysis. The incoming bit stream is tested and com- pared against known psk modes. The name of each identified system is displayed in the output window. An identified sy...

  • Page 108: Mfsk Analysis

    98  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 apart from hf-acars, which has a baud rate of 1800, all other mil and stanag modes operate at 2400 baud. However, the code check can automatically determine modes with different baud rates. After the code check has det...

  • Page 109: Mfsk Code Check Hf

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  99 tracking rate determines the sampling rate. The range is 1 - 15 ms; the default is 2 ms. Double-clicking filter inserts a low pass filter for filtering the tones. The value of the filter should be ad- justed to avoid s...

  • Page 110: Autocorrelation

    100  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 if two or more different systems are identified, or if more than five proven transmission errors occur, an automatic switch to a mode will not take place. The software then proceeds with code and system analysis. The ...

  • Page 111

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  101 to start the sampling process, press the start button. The number of sampled bits is continuously dis- played. Autocorrelation can currently process up to 200,000 bits. By pressing the correlate button, the actual com...

  • Page 112: Bit Correlation

    102  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 after the zoom field has been sized, release the mouse button. An enlarged section of the autocorrelation trace is displayed. The distance between recurring, equidistant peaks gives the periodicity of the signal under...

  • Page 113

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  103 the time duration of a video line, and thus the display resolution, is set with the sliders in time per line. The range is 20,000 s (0.02 s) to 10,000,000 s (10 s) per graphical line and sampling takes place in step...

  • Page 114: Bit Length Analysis

    104  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additionally, several color schemes are available through the right-click menu. Bit length analysis bit length analysis serves to determine baud rate distributions, tone duration or bit length distributions. The resol...

  • Page 115

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  105 the bit length analysis screen consists of a window for graphs of the two bit length distribution functions for binary 0 and 1, as well as a window containing a graph of the raw, binary data. By right-clicking on one ...

  • Page 116: Selcal Analysis

    106  analysis tools wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 several color schemes are available through the right-click menu. By clicking on the displays graphic cursors may be used to move over the graph to allow measurement of data. The bottom window shows the distribution o...

  • Page 117

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 analysis tools  107 onds when the tracking rate is set to 15ms. The scroll-back range for all tracking rate settings in between varies accordingly. Tracking rate determines the sampling rate. The range is 1 - 15 ms, default is 2 ms. Doub...

  • Page 118: Transmission

    108  fundamentals of radio data transmissionwavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 fundamentals of radio data transmission the drawing illustrates the various processing operations applied to digital information from source to sink. The box labeled “channel” represents the me...

  • Page 119

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0fundamentals of radio data transmission  109 basic digital communication transformations (from b. Sklar, “a structured overview of digital communica- tions”, ieee commun. Mag, august 1983). Telegraph speed, bit rate, baud rate and symbol ...

  • Page 120

    110  fundamentals of radio data transmissionwavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 formatting and source coding formatting is the process whereby source data is prepared for the ensuing digital processing. Sometimes this process is included in the functionality of source codi...

  • Page 121

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0fundamentals of radio data transmission  111 an example of source coding for analogue input is the process of transforming analogue voice to digital bits by way of sampling the input signal, quantizing it into discrete amplitude levels, a...

  • Page 122: Encryption

    112  fundamentals of radio data transmissionwavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 encryption to protect data transmissions against interception, various methods are in use. The encryption process basically processes clear text with a key, with the transformed message then tr...

  • Page 123: Channel Coding

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0fundamentals of radio data transmission  113 channel coding due to the unstable nature of the radio media, especially in case of hf links a number of techniques have been designed to protect data and ensure a high degree of error free tra...

  • Page 124: Equalization

    114  fundamentals of radio data transmissionwavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 in simplex systems there is of course no return channel, so the irs cannot request repetitions. Therefore the codes used must be very robust and be able to correct errors at the receiving end -...

  • Page 125: Modulation

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0fundamentals of radio data transmission  115 sure proper operation of the mechanical devices the stop bit was extended to have 1.5 times the length of a data bit, which accounts for the term "non-integral" earlier in this section. In sync...

  • Page 126

    116  fundamentals of radio data transmissionwavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 demodulator for the fm or am carrier, while the decoder demodulator processes the sub-carrier modula- tion. Ask (amplitude shift keying) the simplest way to impress the digital information on a...

  • Page 127: Fax

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0fundamentals of radio data transmission  117 bandwidth-efficient modulation among newer modulations methods employed to make better use of the spectrum available are offset qpsk (oqpsk), minimum shift keying (msk) and gaussian fsk (gfsk)....

  • Page 128: Transmission Modes

    118  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes acars aircraft communications addressing and reporting system (acars) is a carrier sensing, multiple access packet radio system for aircraft communications. Acars operates in the vhf band, mainl...

  • Page 129

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  119 acars frame parameter value pre-key 16 characters all binary “ones” bit sync 2 characters “+” , “*” character sync 2 characters syn, syn (16h) start of heading 1 character soh (01h) mode 1 character address 7 char...

  • Page 130: Ais

    120  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the international airline data network - in fact much traffic previously carried by voice, has been trans- ferred to acars. The text field of the acars packet is used for messages with a fixed format, free text, o...

  • Page 131: Ale-400

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  121 systems (vts) in congested areas such as harbors, rivers and archipelagos. Tranmissions may be in broadcast mode or individually addressed. The messages may contain a fixed content in binary format, free text or b...

  • Page 132: Alf-Rds

    122  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes ale, broadcast/simplex fec modulation mfsk-8 symbol rate 50 bd center frequency 1625 hz receiver settings data, cw, lsb or usb input format(s) af, if alf-rds alf-...

  • Page 133: Alis-2

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  123 parameter value frequency range hf operation modes fsk, simplex arq modulation fsk symbol rate 228.66 bd, variable 30-650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-2 with...

  • Page 134: Amsat-P3D

    124  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 if an alis-2 system is identified the status line will display system: “xxxxxxxxh", where xxxxxxxxh denotes an eight digit hex id string. Amsat-p3d amsat (radio amateur satellite corporation) oscar-40 (amsat phase...

  • Page 135: Arq6-90 And Arq6-98

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  125 parameter value voice codec imbe (rate 7.2 kbps) the common air interface of the apco-25 phase 1 system is described in tia-102.Baaa-a. The devices may use both the c4fm and cqpsk modulation techniques which can b...

  • Page 136: Arq-E3

    126  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value symbol rate 46.2, 48, 50, 64, 72, 86, 96, 144, 184.6, 192, and 288 bd, variable 30- 650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-2 with parity and identi...

  • Page 137: Arq-M2-342 And Arq-M2-242

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  127 arq-m2-342 and arq-m2-242 these operating modes also known as tdm or arq-28, conforming to ccir recommendations 342-2 and 242. Two 50 bd baudot channels are interleaved to form a time multiplexed aggregate bit str...

  • Page 138: Arq-N

    128  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 full-duplex systems send a repeat request (rq) character to the remote station if a character error has been detected or the distortion or fading becomes excessive. This results in the re-transmission of the last ...

  • Page 139: Atis

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  129 parameter value input format(s) af, if additional info ita-5 for ascii mode standard baud rates from 110 to 300 baud are available. Non-standard baud rates may be selected using the baudrate menu item. The parity ...

  • Page 140: Aum-13

    130  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 atis country identification code code country code country code country z albania o austria o belgium l bulgaria d germany f france 9 croatia h hungary p netherlands h liechtenstein l luxemburg s poland y romania ...

  • Page 141: Baudot

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  131 the parity dependent repeat transmission of the 5 data bits is easily recognized by ear for certain charac- ter combinations. The idle signal also has a distinctive sound. Parameter value frequency range hf operat...

  • Page 142: Biis

    132  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 a baudot code word consists of a start bit, 5 data bits and 1, 1.5 or 2 stop bits giving each character a length of 7, 7.5 or 8 bits. Baudot is an asynchronous code in which synchronization is performed for each c...

  • Page 143

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  133 omc strings c a t f n c string 0 0 0 0 0 0 emres 1 0 0 0 0 0 status1 0 1 0 0 0 0 emack 1 1 0 0 0 0 reser1 0 0 1 0 0 0 emcall 1 0 1 0 0 0 status9 0 1 1 0 0 0 syscon 1 1 1 0 0 0 cust1 0 0 0 1 0 0 txkeyon 1 0 0 1 0 0...

  • Page 144

    134  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 c a t f n c string 0 0 1 1 1 0 manres 1 0 1 1 1 0 status15 0 1 1 1 1 0 moben 1 1 1 1 1 0 cust7 0 0 0 0 0 1 cancel 1 0 0 0 0 1 status2 0 1 0 0 0 1 repack 1 1 0 0 0 1 reser2 0 0 1 0 0 1 prical 1 0 1 0 0 1 status10 0...

  • Page 145: Br-6028

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  135 c a t f n c string 0 0 0 1 1 1 repoff 1 0 0 1 1 1 status8 0 1 0 1 1 1 rejack 1 1 0 1 1 1 reser8 0 0 1 1 1 1 extadr 1 0 1 1 1 1 status16 0 1 1 1 1 1 mobdis 1 1 1 1 1 1 cust8 depending on the omc code, the address w...

  • Page 146: Bulg-Ascii

    136  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes baudot, ascii modulation vft fsk symbol rate 45.45, 50, 75, 100, 103.7 bd, variable 30-110 bd pilot tone 560 hz receiver settings data, cw, lsb or usb input forma...

  • Page 147: Ccir

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  137 parameter value frequency range hf operation modes asynchronous duplex arq modulation fsk symbol rate 110, 120, 150, 180, 200, 300 and 600 bd, variable 50–1200 bd receiver settings data, cw, lsb or usb input forma...

  • Page 148: Ccitt

    138  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 tone allocation digit hz digit hz 0 1981 8 1747 1 1124 9 1860 2 1197 a 2400 3 1275 b 930 4 1358 c 2247 5 1446 d 991 6 1540 e 2110 7 1640 9 1860 tone duration protocol time ccir-1 100 ms ccir-2 70 ms ccir-7 70 ms c...

  • Page 149: Chinese 4+4

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  139 tone allocation digit hz 0 400 7 1477 1 697 8 1633 2 770 9 1800 3 852 a 1900 4 941 b 2000 5 1209 c 2100 6 1335 d 2200 7 1477 e 2300 tone duration: 100ms. Chinese 4+4 chinese 4+4 is a multi-carrier transmission mod...

  • Page 150: Cis-11

    140  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes time information modulation fsk symbol rate 300 bd center frequency 2125 hz shift 200 hz receiver settings data, cw, lsb or usb input format(s) af additional info...

  • Page 151: Cis-12

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  141 cis-12 cis-12 is a multi-channel system using 12 channels each modulated with 120 bd dbpsk or dqpsk. Each channel has a separation of 200 hz to neighbor channels. An unmodulated pilot carrier is placed at +3300 hz...

  • Page 152: Cis-36-50

    142  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes duplex arq modulation mfsk-36 speed 25, 50 or 100 ms receiver settings data, cw, lsb or usb input format(s) af, if cis-36 is operating with symbol rates of 10, 20...

  • Page 153: Cis-50-50

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  143 cis-50-50 cis-50-50 is very similar to cis 36-50, but uses different baud rates and shifts. Parameter value frequency range vlf, hf operation modes simplex modulation fsk symbol rate 50 and 100 bd shift 85, 125, 2...

  • Page 154: Clover-2000

    144  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 levels, relate the number of information symbols (user data) to the block length, a block comprises user data and parity check symbols: robust: 60% normal: 75% fast: 90% off: 100% (i.E., no error correction) the l...

  • Page 155: Clover-2500

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  145 clover-2500 clover-2500 is almost identical to clover-2000. The only differencies are as follows: baudrate: 78.125 bd (clover-2000: 62.5 bd) spacing: 312.5 hz (clover-2000: 250 hz) center: 1562.5 hz (clover-2000: ...

  • Page 156

    146  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 possible in a broadcast connection. A lossless compression format is used for compressing codan-3212 data stream with arbitrarily length. Codan-3212 waveform: the modem uses a high-speed waveform to address other ...

  • Page 157: Codan-9001

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  147 tuning the decoder: the decoder processes the signal in both ssb settings: usb and lsb. This can be selected with polarity in the menu, where nor means usb and inv means lsb. The correct polarity for the codan-321...

  • Page 158

    148  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes half-duplex asynchronous adaptive arq modulation differential psk4a; 16 tones symbol rate 16 x 75 bd afc in the range ±3100. Automatic frequency control (afc): +/...

  • Page 159

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  149 zation value is shown in the status pane. In the two status-lines at the top of the decoding window the frame type (data, ack, idle) and some information about the decompressor (if used) are presented. Possible de...

  • Page 160

    150  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 protocol overview the codan-9001 modem uses 16 dqpsk carriers for the transport of payload data. Each carrier is inde- pendently modulated with data. Each individual channel carries a channel packet. All 16 concur...

  • Page 161: Coquelet-13

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  151 start over with empty dictionaries. It is important to understand that in case of compressed transmissions exclusively the data from one party may be forwarded to the de-compressor. This understanding is espe- cia...

  • Page 162: Coquelet-8

    152  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 tone assignment of coquelet-13: tone number frequency hz bit 1 bit 2 bit 3 bit 4 bit 5 first tone group 1 812 1 1 1 2 842 1 1 3 872 1 4 902 1 5 932 1 1 6 962 1 1 7 992 1 8 1022 9 1052 idle or start tone second ton...

  • Page 163: Coquelet-80

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  153 tone assignment of coquelet-8: tone number frequency hz bit 1 bit 2 bit 3 bit 4 bit 5 first tone group 1 773 1 1 1 2 800 1 1 3 826 1 4 853 1 5 880 1 1 6 907 1 1 7 933 1 8 960 second tone group 5 880 1 1 6 907 1 7 ...

  • Page 164: Ctcss

    154  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 tone assignment of coquelet-80: tone number frequency hz bit 1 bit 2 bit 3 bit 4 bit 5 first tone group 1 773 1 1 1 2 800 1 1 3 826 1 4 853 1 5 880 1 1 6 907 1 1 7 933 1 8 960 second tone group 5 880 1 1 6 907 1 7...

  • Page 165: Cv-786

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  155 a ctcss controlled receiver only switches on, in case a carrier modulated with the pre-programmed ctcss tone is received. For this system 52 tones are defined: cv-786 cv-786 is an asynchronous fsk system and is ba...

  • Page 166: Dcs Selcal

    156  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the center frequency can be set to any value between 200 and 3400 hz via the center item in the de- modulator menu. The center frequency is nominally 800 hz which is dictated by the quartz filters of pro- fessiona...

  • Page 167

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  157 normal inverse normal inverse normal inverse normal inverse 073 506 246 523 431 723 664 311 074 174 251 165 432 516 703 565 114 712 252 462 445 043 712 114 115 152 255 446 446 255 723 431 116 754 261 732 452 053 7...

  • Page 168: Dgps

    158  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 pressing change order reverses the polarity of the signal and pressing default st restores the default val- ue. For more information see “ symbol definition ” on page 43. Dgps dgps (differential global positioning...

  • Page 169: Dmr

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  159 if normal 3, 5, 7, 16 is chosen in the message type options field, messages containing ascii text are decoded, in case of numbers their meaning is displayed as well. The message types 1, 6 and 9 containing the rea...

  • Page 170: Dpmr

    160  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 layer 2: air interface data link layer and layer 3: air interface call control layer. Wavecom dmr decoder covers all three tier services: tier 1: direct mode tier 2: direct mode and base station communication tier...

  • Page 171: Dtmf

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  161 frequency range unlicensed: etsi ts 102 490 446.100 - 446.200 mhz (cept ecc/dec/(05)12) 149.01875 - 149.11875 mhz licensed: etsi ts 102 658 licensed pmr frequency bands operation modes fdma, digital voice and data...

  • Page 172: Dup-Arq

    162  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 in most systems the accuracy of the single frequencies has to be within +1/-1.5% of the nominal value. If a dtmf call is received, the call sign is displayed on the monitor. In the options menu a time stamp functi...

  • Page 173: Dup-Arq-2

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  163 the polarity of the bit stream (upper sideband (usb) or lower sideband (lsb)) cannot automatically be derived from the signal. Polarity may be manually selected by using the polarity menu field. Polarity in- versi...

  • Page 174: Dzvei

    164  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-5 with block coding dup-fec-2 has a radio channel rate of 125 or 250 baud. A data frame is 32 bits long. For error ...

  • Page 175: Eea

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  165 eea the entire call number is transmitted by consecutive tones in decade sequence. When two identical digits are to be transmitted consecutively, then an eleventh frequency is used as a repetition identifier. Para...

  • Page 176: Eia

    166  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the subscribers control their equipment by sending messages to the central computer of service provider. The central computer forwards the messages to transmitters in frankfurt am main (dcf49, 129.1 khz) and burg ...

  • Page 177: Ermes

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  167 ermes ermes is a europe-wide high speed paging system with a user data rate of 6250 bps, in comparison to pocsag, which has a maximum rate of 2400 bps. Ermes radio data may be transmitted using frequency or time m...

  • Page 178

    168  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the receiver addressing only takes place within the appropriate batch. After decoding its address the re- ceiver will wait on the same frequency for data. Data may be transmitted within the same batch, within anot...

  • Page 179: Euro

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  169 variable information field with supplementary information the ets 300 133-4 standard has a very fine grained subdivision of the vif and this enables ermes to be used for a wide range of applications. Ermes and oth...

  • Page 180: Feldhell

    170  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value operation modes broadcast/simplex fec modulation fsk symbol rate 96, 144 and 192 bd, variable 30-650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info arq1a with conv...

  • Page 181: Flex

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  171 by selecting 122.5 bd or variable rate reception is started. Selecting the polarity will determine normal or inverse screen color. In the demodulator submenu the special function fields am-gain and am-offset are p...

  • Page 182: Fms-Bos

    172  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 bottom of the first column (left) to the top of the last column (right) covering a matrix of 7 columns x 14 lines. Pixels are always sent in pairs. Parameter value frequency range hf operation modes graphic mode, ...

  • Page 183

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  173 the last block 10 is mapped to 4 bits in the telegram and serves to communicate the equipment capability (b, bit 1), direction (r, bit 2) and abbreviated tactical information (x, y, bits 4 – 5). B 0 – vehicle – di...

  • Page 184: Gmdss/dsc-Hf

    174  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 fms-bos settings to apply or manipulate the various fms-bos stations select options/fm-bos settings… a table of fms-bos users is stored in \config\fmsbossettings.Xml. Gmdss/dsc-hf gmdss (global maritime distress a...

  • Page 185: Golay/gsc

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  175 parameter value modulation fm, sub fsk symbol rate 1200 bd center frequency 1700 hz shift/bandwidth 800 hz receiver settings fm, bw = 12 khz input format(s) af, if additional info ita-5 dsc is used on hf and vhf. ...

  • Page 186: G-Tor

    176  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 this illustration shows a block of eight alphanumeric characters of 6 bits each. The high fading protection is achieved by transmitting columns rather than rows (interleaving). In this way a burst error affecting ...

  • Page 187: Gw-Fsk

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  177 on the receiving side up to 3 incorrect bits may be corrected using a (24, 12) golay code. In addition the data bits are interleaved (bit interleaving). The complex g-tor system is described in detail by the manuf...

  • Page 188

    178  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value symbol rate 62.5 bd per carrier (max. 32 carriers) receiver settings lsb/usb (automatic polarity recognition) input format(s) af, if additional info afc, adaptive number of carriers, compression gw...

  • Page 189: Gw-Psk

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  179 pressed emails and/or several commands. If the processed data packets yield evaluable data, the follow- ing information is shown: transmitting station information if emails are found and extraction is successful (...

  • Page 190: Hf-Acars

    180  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes simplex arq modulation fsk symbol rate 240.0 bd, variable 30-650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-2 with block...

  • Page 191: Hng-Fec

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  181 position, frequency assignment etc. Each mpdu contains several link protocol data units (lpdu), which may consist of basic data units (bdu). Each slot (squitter or mpdu) has the same structure: parameter value rem...

  • Page 192: Icao Selcal

    182  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range hf operation modes broadcast /simplex fec modulation fsk symbol rate 100.05 bd, variable 30-650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-...

  • Page 193: Link-11 (Clew)

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  183 designation frequency (hz) designation frequency (hz) red "h" 645.7 red "s" 1479.1 link-11 (clew) link-11 (clew: conventional link eleven waveform), also known as tadil-a, is a transmission mode mostly in hf band,...

  • Page 194: Md-674 Async

    184  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 dncs iwm: interrogation with message prm: picket reply message sb: short broadcast net test the data in the frames is coded with hamming method. To decode the mode, choose the correct polarity, put the doppler ton...

  • Page 195: Mfsk-20

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  185 parameter value receiver settings fm bw = 40 khz input format(s) af additional info ioc 288 the software is started in automatic mode by clicking on the auto button or on drum speed for manual mode. In manual mode...

  • Page 196: Mfsk-8 And Mfsk-16

    186  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 mfsk-8 and mfsk-16 mfsk-8 and mfsk-16 are multi-frequency shift keying digital transmission modes. Mfsk-8 uses a set of 8 tones with the equal distance of 7.81 hz, mfsk-16 a set of 16 tones with the equal distance...

  • Page 197

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  187 parameter value center frequency 1760 hz receiver settings data, cw, lsb or usb input format(s) af, if binary, hex and ascii output are provided. Mil-188-110-39tone, (mil-188-110a/b appendix c) mil-std-188-110 39 ...

  • Page 198: Mil-188-110A

    188  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 start and stop bits, as well as the special "null" characters, inserted by the modem and not being part of the data stream, are ignored by the display. The decoder stops displaying data after the eom sequence is r...

  • Page 199

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  189 baud- rate user data rate (bps) fec cod- ing rate interleaver no. Of unknown 8- phase symbols, (user data) no. Of known 8- phase symbols, (channel probe) 2400 75 1 / 2 short or long all 0 each transmission of a mi...

  • Page 200: Mil-188-110A-Mod

    190  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 mil-188-110a-mod mil-188-110a-mod is a modified version of the popular mil-188-110a mode. Parameter value frequency range hf operation modes unprotected modulation 8-psk symbol rate 2400 bd center frequency 1800 h...

  • Page 201

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  191 dedicated phase plane the decoder uses an equalizer to demodulate the high-speed psk signal. To visualize the power of the equalizer, the user can turn on the dedicated phase plane in options -> show phase plane. ...

  • Page 202

    192  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 baud rate user data rate (bps) inter leaver modulation (bit per symbol) fec coding rate no. Of un- known sym- bols (user data) no. Of known 8- psk sym- bols (channel probe) 2400 3200 variable qpsk (2) 1/2, punctur...

  • Page 203: Mil-188-141A

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  193 110b transmits the user data in binary mode, i.E., it does not care which type of data is transmitted. This should be defined by the protocol layer using the mil-188-110b mode. For this reason the decoder just dis...

  • Page 204: Mil-188-141B (Appendix C)

    194  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 to which it belongs) it will stop the scanning and respond to the call. The stations will then either switch to a low speed data exchange mode or to a high speed data (fsk or psk) modem or to voice mode. The mil-1...

  • Page 205: Mil-M-55529A Nb/wb

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  195 waveform burst duration preamble payload bw2 640 + (400 * n) ms, 1536 + (960 * n) psk symbols, n = 3, 6, 12, or 24 26.67 ms, 64 psk symbols 1881 * n bits bw3 373.33 + (13.33 * n) ms, 896 + (32 * n) psk symbols, n ...

  • Page 206: Mobitex-1200

    196  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value center frequency 2000 hz shift 85 hz (nb), 850hz (wb) receiver settings data, cw, lsb or usb input format(s) af, if additional info async fsk only for mil-m-55529a mode standard baud rates from 50 ...

  • Page 207: Mobitex-8000

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  197 the system has four payload packet classes, psubcom for subscriber packet switched communication, psoscom for alert messaging, csubcom for circuit-switched subscriber communication, and dteserv for service message...

  • Page 208: Fax & Modems Half-Duplex

    198  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range vhf/uhf operation modes analogue selcal modulation fm, sub tones receiver settings fm, bw = 12 khz input format(s) af, if if there more than two identical digits are to be transmitt...

  • Page 209

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  199 additional information see “ modem and fax modes ” on page 309. Fax-g3-v.29 parameter value frequency range 4-wire operation modes fax modem modulation 16qam, hdx speed 9600 bps input format(s) af additional infor...

  • Page 210: Fax & Modems Full-Duplex

    200  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range 2-wire operation modes data modem modulation fsk speed 1200 bps input format(s) af additional information see “ modem and fax modes ” on page 309. Fax & modems full-duplex v.26 / v....

  • Page 211: Mpt-1327

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  201 parameter value frequency range 2-wire operation modes data modem (full-duplex) modulation pcm/tcm speed 56000/33600 bps input format(s) file (2 channels) additional information see “ modem and fax modes ” on page...

  • Page 212

    202  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the control channel is divided into the forward control channel from base station to units, and the return control channel from units to base. The forward control channel may be dedicated (fixed), non-dedicated (a...

  • Page 213: Natel

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  203 ahy(p:79,i1:760,i2:770,d:0,p:0,chk:1,e:0,ad:0). General availability check on the called (d:0) unit 760 (i1:760) sent before allocating a traffic channel. The tsc is checking if the called unit is ready for a data...

  • Page 214: Nmt-450

    204  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 nmt-450 nmt-450 is an analogue mobile telephone system, developed by the telecommunication administrations of denmark, finland, norway and sweden. The idea was to establish a compatible, automatic, public mo- bile...

  • Page 215: Nwr-Same

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  205 the orbiting satellites may be received with an active antenna and a high quality vhf-uhf receiver. An optimal receiving station allows reception for approximately 20 minutes before the satellite has moved be- low...

  • Page 216

    206  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 pssccc geographical area header block code tttt purge time header code block jjjhhmm original dissemination time header block (julian date, utc) llllllll message originator header block the area-code (pssccc) is d...

  • Page 217

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  207 hurricane statement hls volcano warning vow severe thunderstorm watch sva administrative message adr severe thunderstorm warning svr practice/demo warning dmo severe weather statement svs required monthly test rmt...

  • Page 218

    208  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 code area 24 maryland 73 western north atlantic ocean, and along u.S. East coast, from canadian border south to cur- rituck beach light, n.C. 25 massachusetts 74 u.S. Minor outlying islands 26 michigan 75 western ...

  • Page 219: Nxdn

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  209 pssccc - fips area codes (canada) code area 01 nova scotia, new brunswick, prince edward is- land 06 saskatchewan 02 newfoundland and labrador 07 alberta 03 quebec 08 british columbia 04 ontario 09 nunavut, yukon ...

  • Page 220: Orbcomm

    210  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value submodes 250 hz / 8 tones / 31.25 bd 500 hz / 8 tones / 62.5 bd 500 hz / 16 tones / 31.25 bd 1000 hz / 32 tones / 31.25 bd receiver settings data, cw, lsb or usb input format(s) af, if additional i...

  • Page 221: Packet-1200

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  211 ceivers that receive short bursts from the scs at 2400 bps. The orbcomm system will be capable of providing near real-time wireless data communications service around the world. All communications within the orbco...

  • Page 222: Packet-300

    212  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the data field can contain up to 256 characters. All characters and character combinations are permitted since transmission is transparent. A checksum is sent in the fcs field. The status field contains three fiel...

  • Page 223: Packet-9600

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  213 packet-9600 packet-9600 may be monitored in the amateur uhf and shf bands. 2400 baud transmissions are rare. Some digipeaters support two modes, packet-1200 and packet-9600. Parameter value frequency range vhf/uhf...

  • Page 224: Pactor-Fec

    214  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value operation modes simplex arq modulation fsk symbol rate 100.0 and 200.0 bd adaptive receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-5 with block coding pactor opera...

  • Page 225: Pactor-II

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  215 the pactor-fec data block consists of three sections: header, data and control (status and 16 bit crc). At 100 bd the data field is 64 bits and at 200 bd it increases to 160 bits. Block coding is performed ac- cor...

  • Page 226: Pactor-II-Auto

    216  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the bandwidth of the spectrum can be switched between 500 hz, 1000 hz, 4000 hz and 24000 hz. The upper and lower frequency boundaries of the signal are the selected with the right and left cursors. With the center...

  • Page 227: Pactor-III

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  217 parameter value frequency range hf operation modes psk, simplex fec modulation two channel dqpsk symbol rate 100.0 bd automatic frequency control (afc): ± 50 hz receiver settings data, cw, lsb or usb input format(...

  • Page 228

    218  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value additional info ita-5 with block coding 14.106 mhz, 21.112 mhz optional mode tone sl=1 sl=2 sl=3 sl=4 sl=5 sl=6 tf 0 q 480 1 q q 600 2 b q q q 720 3 b b q q q 840 4 b q q q 960 5 b b b q q q 1080 6...

  • Page 229: Pactor-4

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  219 two crc bytes. This input bit stream is then bit-interleaved and convolutional encoded. After that, the symbol mapping for the different channels is done, and the resulting signals are applied to the dxpsk modulat...

  • Page 230: Pdzvei

    220  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value frequency range vhf/uhf operation modes analogue selcal modulation fm, sub tone receiver settings fm, bw = 12 khz input format(s) af, if if more than two identical digits are to be transmitted, the...

  • Page 231

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  221 tone allocation digit hz digit hz 0 2200 8 1830 1 970 9 2000 2 1060 a 825 3 1160 b 886 4 1270 c 2600 5 1400 d 856 6 1530 e 2400 7 1670 f 680 tone duration: 70 ms. Piccolo-mk6 and piccolo-mk12 piccolo-mk6 and picco...

  • Page 232: Pocsag

    222  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the decoder or receiver must be tuned to obtain the midpoint between tones 5 and 6 as the center fre- quency. In the case of idle (standby) transmissions these two tones are keyed at a rate of 100 ms and tuning be...

  • Page 233

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  223 numeric pagers (mode 2) individual parties receive their messages in the form of transmitted digits and some special characters. In this way for example, the telephone number which the pocsag subscriber is to call...

  • Page 234: Pol-Arq

    224  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 following the address at the beginning of a frame, a message of any desired length may be sent. In the case of numeric pagers, digits are sent in bcd code while for alphanumeric pagers the message is trans- mitted...

  • Page 235: Psk-10

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  225 if the auto function is selected the software waits for the ioc identifier and synchronization sequence. Both parameters are only transmitted at the start of an image and hence capture will only start when the nex...

  • Page 236: Psk-31-Fec

    226  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 for normal use, dbpsk can be selected to demodulate a bi-phase modulated signal. The baud rate is fixed at 31.25, 62.5, 125 or 250 bd and is optimized to transfer data at the keyboard input-rate of an average oper...

  • Page 237

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  227 parameter value input format(s) af, if additional info 3.580 mhz, 7.035 mhz, 14.070 mhz the baud rate is fixed at 31.25 bd. The speed of transmission is about 30 words per minute compared to cw. Each bit is repeat...

  • Page 238: Psk-Am

    228  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 hence adjustment of the center frequency must be accurate. In contrast to psk-31, this mode does not use dqpsk modulation. Psk-am psk-am is a very narrow-band and reliable amateur mode developed by f6cte. The aim ...

  • Page 239: Robust-Packet

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  229 digit hz digit hz 2 1160 a 970 3 1270 b 810 4 1400 c 2800 5 1530 d 885 6 1670 e 2600 7 1830 f 680 tone duration: 70 ms. Robust-packet robust-packet (rpr, robust packet radio) is a data transmission mode devised fr...

  • Page 240: Rum-Fec

    230  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 hexadecimal value pid binary value layer 3 protocol ** xx10xxxx ax.25 layer 3 implemented 0x10 00010000 iso 8208/ccitt x.25 plp 0x06 00000110 compressed tcp/ip packet. Van jacobson (rfc 1144) 0x07 00000111 uncompr...

  • Page 241: Sat-Aero-C

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  231 sat-aero-p, sat-aero-r, sat-aero-t the sat-aero system carries digital voice, fax and low speed data. The channels between aeronautical ground earth stations (ges) and aircraft earth stations (aes) are a-bpsk or a...

  • Page 242: Sat-B

    232  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat-b the sat-b system carries digital voice, low and high speed data and telex. The forward direction channels from land earth stations (les or ces) to mobile earth stations (ses or mes) are 6 kbaud, 12 kbaud and...

  • Page 243: Sat-B-C-Hsd

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  233 unlike the other sat modes, this mode does not automatically select a frequency. The user has to manual- ly set the frequency and offset to the desired signal, which will then not be interfered with or changed by ...

  • Page 244

    234  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 operation with the help of the fft-analysis-tool look for a sat-b-c-hsd signal (bandwidth 100 khz, oqpsk 66 ksymbol/sec) with a lot of traffic. In the satellite mode menu choose inmarsat, sat-b-c-hsd. The session ...

  • Page 245

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  235 the ncsc frequency is fixed for each ocean region. This ocean region is user selectable through the ‘sat- ellite settings’ panel. In the frequency offset bar the inmarsat c mode has a ncsc-auto check box. With thi...

  • Page 246

    236  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the mes id is always = 0, because the id is not transmitted together with the message as the message is identified by the logical channel number (lcn). Sat-c-tdm-egc in addition to tdm channel assignments, the ncs...

  • Page 247

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  237 c5 - presentation code - 2 digits - type of alphabet used the national geospatial-intelligence agency (nga) maintains the safety net users handbook on the in- marsat homepage, and is available at no charge (http:/...

  • Page 248: Sat-M

    238  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 navarea nav met sar ocean region xiii (russian federation) x x (note 4) por xiv (new zealand) x x x por xv (chile) x x x aor-w xvi (peru/usa) x x x aor-w 1. X = full service now available. 2. Imo has decided that ...

  • Page 249: Sat-Mini-M-C-Hsd

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  239 parameter value frequency range l-band/c-band operation modes inm-mm (forward ncs and les msg chnl) forward: 6 kbps dpsk, ncs tdm 8 kbps oqpsk, les voice scpc, les low speed data 64 kbps qam16, high speed data scp...

  • Page 250: Si-Arq

    240  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 with the help of the fft-analysis-tool look for a sat-mini-m-hsd signal (bandwidth 40 khz, qam16 33.6 ksymbol/sec) with a lot of traffic. In the satellite mode menu choose inmarsat, sat-mini-m-c-hsd. The session w...

  • Page 251: Si-Fec

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  241 si-fec the si-fec sound is similar to the sound of sitor-fec. However, si-fec is used very seldom and stations mostly switch to this mode only under extremely poor propagation conditions. Parameter value frequency...

  • Page 252: Sitor-Auto

    242  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sitor-auto fully automatic tuning to signal center, shift and transmission modes sitor-arq (mode a) and sitor- fec (mode b) may be achieved by selecting sitor-auto mode. Sitor-fec the sitor-fec mode is used in bro...

  • Page 253

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  243 a transmission is initiated with a start sequence, which identifies this mode and may be used for accurate tuning. This sequence is transmitted at 1 baud, which makes it readable even during very unfavorable condi...

  • Page 254: Sstv

    244  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 spread-11, spread-21 and spread-51 like autospec the spread-11, spread-21 and spread-51 modes use the 10 bit bauer code. For im- proved reliability in terms of burst errors each character is spread in time (interl...

  • Page 255

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  245 picture timings to match the received signal. To manually correct the horizontal timing one uses the alignment option. When the alignment is correct, the picture will be received vertically. One would nor- mally o...

  • Page 256: Stanag-4285

    246  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 mode type time [s] resolution [pixel x line] notes 24 b/w 24 320 x 240 36 b/w 36 320 x 240 b/w mode sc-1 8 b/w 8 128 x 128 sc-1 16 b/w 16 256 x 128 sc-1 32 b/w 32 256 x 256 wraase sc-1 24 rgb 24 128 x 128 b sc-1 4...

  • Page 257

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  247 baud rate user da- ta rate (bps) user data rate (bps) fec coding rate interleaver no. Of unknown 8-phase sym- bols (user data) no. Of known 8- phase symbols (channel probe) 2400 2400 3 (8-psk) 2 / 3 short or long ...

  • Page 258: Stanag-4415

    248  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 in ascii async (7 data bits and no stop bit) mode, the bit stream is searched with another async struc- ture, i.E., one start-bit (0), 7 data-bits. The 7 data-bits are lsb first. In addition to the eom pattern, th...

  • Page 259: Stanag-4481-Fsk

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  249 at the end of transmission, a certain bit pattern (in hexadecimal notation, 4b65a5b2, msb first) is sent to mark the end of message (eom). The eom sequence is followed by the flush bits, which are for the fec code...

  • Page 260: Stanag-4481-Psk

    250  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value signal source(s) af, if the kg-84 bit stream contains a 64 bits long header followed by two 256 bit message blocks in turn fol- lowed by encrypted data terminated by an end-of-message. Hence synchr...

  • Page 261: Stanag-4529

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  251 fec and interleaving is used to combat the effects of fading, doppler spread, multipath and burst noise. User data is first fec encoded, interleaved, then mapped into bpsk symbols and transmitted in 32 symbol data...

  • Page 262

    252  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 baud rate user data rate (bps) bits per symbol (m-psk) fec coding rate interleaver 1200 1200 3 (8-psk) 2 / 3 short or long 1200 600 2 (qpsk) 1 / 2 short or long 1200 300 1 (bpsk) 1 / 2 short or long 1200 150 1 (bp...

  • Page 263: Stanag-4539

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  253 tuning the decoder the decoder can process signals in both ssb settings: usb and lsb. The sideband is selected by toggling the polarity field of the display: nor means usb and inv means lsb. The center frequency o...

  • Page 264: Tetra

    254  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 three different block lengths are used in swed-arq. The short block containing three characters is essen- tially the same as the sitor-arq mode. If favorable propagation conditions prevail the system will switch t...

  • Page 265

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  255 separate file alongside the .Wav file. This feature is useful when the voice session is encrypted. The user can analyze and try to decrypt the bits. User interface the user interface for tetra consists of a three ...

  • Page 266

    256  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the middle pane contains a list of active tmo and dmo voice sessions. Left-clicking an entry will highlight the row ant send the selected conversation to the audio output. Audio output can be enabled or disabled u...

  • Page 267

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  257 an excerpt of a formatted sndcp pdu. If no pdus are selected – this is the default setting - only the status messages generated by the cmce protocol will be displayed. Path the paths for saving output data may be ...

  • Page 268: Tetrapol

    258  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 layer constraints layer 2 logical channels: user plane, traffic channels: circuit mode not supported control plane, control channels: all channels except access assignment channel (aach) protocol data units (pdu):...

  • Page 269

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  259 the “confidence” (max. Value 100) shows the overall decoding quality. A tetrapol terminals can operate in three different modes: network mode, repeat mode and direct mode. In the network mode, a base station (bs) ...

  • Page 270

    260  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 fig. 2 traffic channel mode: voice channel all these channel frames can be coded in 5 different types in network mode: voice, data, random access frames, training frame, sch/ti frames. Additionally, direct mode em...

  • Page 271

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  261 rach frame the rach frame contains 23 bits, where the last 9 bits are the crc. The first 3 bits indicates y address, while the 11 bits are the most significant bits of x address (x12 to x1). The swmi shall find th...

  • Page 272: Throb And Throbx

    262  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 throb and throbx throb and throbx are two mfsk modes, created by lionel sear, g3ppt. Throbx is an evolution of throb. Parameter value frequency range hf operation modes simplex modulation mfsk symbol rate 1, 2 or ...

  • Page 273

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  263 parameter value frequency range hf operation modes simplex arq modulation 4fsk symbol rate 100 bd, variable 30-650 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info sitor alphabet tw...

  • Page 274: Vdew

    264  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the proper assignment of the v1 and v2 keying combinations must now be set-up using the y-b v1 chan- nel and y-b v2 channel items in the options menu. Most stations use the y-y-b-b setting for the v1 channel. The ...

  • Page 275: Visel

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  265 frequency range vhf frquency range vhf, 136.975 mhz (std. Transmission frequency) operation modes csma modulation d8psk symbol rate 31.5 kbd receiver settings bw = 15-30 khz input(s) if vdl-m2 uses d8psk (differen...

  • Page 276: Weather-Fax

    266  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 parameter value shift/bandwidth 300 hz symbol rate 81.3, 120.9, 123.5, 125 bd receiver settings data, cw, lsb or usb input format(s) af, if additional info ita-2 the unusual baud rate of 120.9 bd is very typical f...

  • Page 277

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  267 parameter value modulation fm, sub fsk symbol rate 300, 600 and 1200 bd center frequency 1700 hz shift 1000 hz receiver settings fm bw = 12 khz input format(s) af, if additional info ita-5 with block coding to sta...

  • Page 278: Zvei-1

    268  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 data only: frame and packet headers are displayed in the status lines. In the text window only user data are displayed. Zvei-1 the entire call number is transmitted by consecutive tones in decade sequence. When tw...

  • Page 279: Zvei-3

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  269 if more than two identical digits are to be transmitted, the repetition tone is appended to the digit tone (e.G., 22222 is transmitted as f2 fw f2 fw f2, where f2 is the tone for "2" and fw is the repetition tone)...

  • Page 280: Zvei-Vdew

    270  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 digit hz digit hz 4 1270 c 740 5 1400 d 680 6 1530 e 2400 7 1670 tone duration: 70 ms. Zvei-vdew the digital selective calling systems zvei and vdew were defined for selective call and data transmission in the non...

  • Page 281

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 transmission modes  271 parameter hex value zvei (first data word) value vdew (following data words) 0 user defined not used 1 call to mobile call to mobile 2 call to base station direct access 3 identification identification 4 acknowled...

  • Page 282

    272  transmission modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the next picture shows a transmission which can be either a zvei message or a vdew message without follow-up telegram. The user has to decide from the context which transmission standard was used. In case of a vde...

  • Page 283: Classifier (Optional)

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  273 classifier (optional) overview the current version of the decoder can accommodate two versions of the optional classifier: a wideband (up to 96 khz) version available as classifier-wb if you press the button in...

  • Page 284

    274  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 press the classifier button to launch the classifier or select it in one of the analysis menus or selectors. Press the start/stop classifier button to restart the classification. When the classifier is launched...

  • Page 285

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  275 modulation check any number of modulation types or voice using the appropriate check boxes to narrow down the range of recognized signals. Continuous mode if continuous classification is desired check this box....

  • Page 286

    276  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 three panes are available: cw amplitude transitions are displayed along a time axis. Fsk frequency transitions are displayed along a time axis. The values of two frequencies of the fsk signal are displayed on t...

  • Page 287

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  277 mfsk frequency transitions are displayed along a time axis. The values of the frequencies of the mfsk signal are displayed on the vertical axis. Psk phase transitions are displayed along a time axis – the red g...

  • Page 288

    278  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 caveats even though the classifier has been carefully designed, the extreme complexity of classification requires the user to be aware of a few caveats. Common sense and visual inspection, as well as prior moni...

  • Page 289

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  279 the possible signal paths of the ccc are shown below. Classifer xml table check code check decoder p1 p2 p3 p4 p5 decoder the classifier attempts to classify the input signals according to their modulation form...

  • Page 290

    280  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 code check code check tests whether a candidate mode can successfully synchronize to the input signal for a required number of times as specified in the corresponding entry in the xml file (). User interface th...

  • Page 291

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  281 classifier code check sequences from this list, the desired mode of operation of the ccc is selected. Each process performs one or more steps to narrow down the possible candidates for eventual successful signa...

  • Page 292

    282  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 code check settings code check timeout this option specifies the maximum allowable time interval between two successful synchronization at- tempts performed by a code check process. If the specified time interv...

  • Page 293

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  283 classifier ” on page 273). Classification results list the classification results list is identical to the classifier classification results list (see the section on “ classifier ” on page 273). This informatio...

  • Page 294

    284  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 status window the status window displays status messages for each step of the process selected in “ classifier code check sequences ” on page 281. The status messages should be self-explanatory. Decoding proces...

  • Page 295

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  285 the possible signal paths of the ccc are shown below. Classifer xml table check code check decoder p1 p2 p3 p4 p5 decoder the classifier attempts to classify the input signals according to their modulation form...

  • Page 296

    286  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 user interface the ccc user interface consists of five windows: a sonagram and options window an fft window a list of classified signals a tree view of the classified signal code check a text status window the ...

  • Page 297

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  287 range displayed in the sonagram window spans the selected classification bandwidth starting from the cur- rently set translation frequency. The upper left-hand side of the sonagram window contains the buttons f...

  • Page 298

    288  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 code check settings code check timeout this option specifies the maximum allowable time interval between two successful synchronization at- tempts performed by a code check process. If the specified time interv...

  • Page 299

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  289 when the ccc is launched from the vhf/uhf-dir menu, the frequency range displayed in the fft window spans the selected classification bandwidth around the currently set translation frequency. When the ccc is la...

  • Page 300

    290  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 status window the status window (the bottom window in the above figure) displays status messages for each step of the process selected in “ classifier code check sequences ” on page 281. The status messages sho...

  • Page 301

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  291 the current version of the ccc is only available for hf modes. This should be kept in mind when adding new records to the data base. Ccc editor gui the main window of the ccc editor is shown below, with an open...

  • Page 302

    292  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the file contents of the first of the two files to merge now appear in green in the main ccc editor window now, repeat the procedure described above for the second of the two files to merge, i.E., from the file...

  • Page 303

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  293 depending on the selection of modulation method using the edit signal radio buttons, the editor entry window will appear with different sets of entry fields, see the sections below. The definition of the data- ...

  • Page 304

    294  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 mfsk for multi-frequency shift signals the entry window looks like the example below for a sp-14 sig- nal. Psk for phase shift keyed signals the entry window looks like the example below for gw-psk. Ofdm for or...

  • Page 305

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  295 cw for continuous wave signals the entry window looks like the example below. Delete delete the selected signal record(s) from the table(s). Enable select the desired signal record in the list of records and pr...

  • Page 306

    296  classifier (optional) wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 help menu pressing the help menu will allow the user to display basic application information. Data base fields the individual fields of the data base are described below. Please be aware that certain fields ar...

  • Page 307

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 classifier (optional)  297 spacing [hz] the frequency spacing between adjacent tones in a multi-frequency system (do not confuse up “spacing” and “shift”). For multicarrier systems spacing is user editable by clicking edit, which will op...

  • Page 308: Sat System

    298  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system overview inmarsat ltd. Is a private satellite provider based in london, uk ( http://www.Inmarsat.Com ). It evolved from an inter-governmental organization to its current private status in the late 1990s. It ope...

  • Page 309: Systems

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system  299 note: the information in the following paragraphs applies to the land mobile and maritime systems of- fered by inmarsat. The aeronautical services differ in channel naming, usage and system setup. Systems over time new ge...

  • Page 310

    300  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 system services offered introduction max user data rate (fax, data) mini-c for the land mobile service, as c, not approved for gmdss, compact all-in-one unit housed in the antenna fleetbroadband maritime version of bgan s...

  • Page 311: Sat Operation

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system  301 mes identification a mes is called from the terrestrial network by its inmarsat number (imn) which is identical to its public telephone number with a country code prefix according to table 2. Internally the system uses tw...

  • Page 312

    302  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 to display a file, double click on the corresponding file field. This enables the correct viewer. It is also possible to directly view a file through windows explorer; however, this does not change the display sta- tus. T...

  • Page 313: The Sat Aero System

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system  303 traffic-channel decoder if monitoring the forward direction in sat-b, sat-m or sat-mm, it is necessary to extract information from the control channel (ncsc) in order to achieve for proper decoding. The following stand-al...

  • Page 314

    304  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 channel types the channel types for aero are: p-channel a packet switched continuous channel in the forward direction ground-to-air from each ges carrying user data and signaling, e.G., system tables broadcast. R-channel ...

  • Page 315

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system  305 aes initiates the session. Ges initiated session through the terrestrial network, the fixed station connects to a ges. The ges sends a signaling message to the aes on a p-channel. The mes receives signaling message and se...

  • Page 316

    306  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 your antenna at least 500 km!). By observing the bulletin board form the ncs the user may deduce which spot beams are visible in his location. Session success (fax) patience is required when monitoring satellite transmiss...

  • Page 317

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 sat system  307 mobile-les messages services sat-c supports several services: store-and-forward messaging allows messages to be exchanged between a mobile station and a user connected to the fixed network (telex, modem connection, x.25 o...

  • Page 318

    308  sat system wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 message transfer from a mobile station to a les is initiated by the mes finding the les tdm frequency in- formation in the ncs bulletin board. It then retunes to this tdm and synchronizes to the tdm frame. The mes finds a...

  • Page 319: Modem and Fax Modes

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 modem and fax modes  309 modem and fax modes overview the modem and fax modes available in the decoder are mainly used on land lines, but may in as well be used on for instance satellite links. The modes are mainly analogue in nature. Pa...

  • Page 320: Fax And Data Transmission

    310  modem and fax modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 voice, the north american channel utilizes one bit for signaling (“robbed bit” signaling). Two different algo- rithms are used for sampling, a law and mu law. Large organizations use e1 or t1 subscriber loops to ...

  • Page 321

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 modem and fax modes  311 the receiving section will attempt to cancel out any echo, then demodulate the incoming signal, recover carrier and bit synchronism then finally de-frame and de-scramble the bit stream. The equalizer will at- tem...

  • Page 322

    312  modem and fax modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 1. Pstn dial tone 2. Calling modem dtmf 3. Pstn rings back tone 4. 2100 hz phase reversal answer tone 5. 1800 hz phase reversals tone (calling) 6. 600 + 3000 hz phase reversals tone (answer) 7. Training sequence,...

  • Page 323: Decoding

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 modem and fax modes  313 itu-t rec. User data rate [bps] user input transmission format full or half- duplex 2 or 4 wire modulation v.27bis 4800/2400 sync fdx 4w d8psk v.27ter 4800/2400 fax hdx 2w d8psk v.29 9600 fax fdx 4w 16qam v.32 96...

  • Page 324

    314  modem and fax modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 capabilities the decoder capabilities encompass the modulation types and protocols listed below: modulation types fax data data v.17 v.21 v.32 v.21 channel 2 v.22 v.32bis v.27ter v.22bis v.90 v.29 v.23 v.92 v.34h...

  • Page 325

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 modem and fax modes  315 protocols fax data t.30 asynchronous t.4 mono-dimensional, bi-dimensional unframed hdlc t.6 v.42 t.6 ecm v.42bis jpeg mnp 4 jbig mnp 5 input and interfacing the fax and modem decoder accepts input sampled at 8 kh...

  • Page 326

    316  modem and fax modes wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 if a fax sample stream is missing the initial handshake and thus the fax parameters are absent, the signal may still be decoded by manually entering the value of the missing parameters. For data signals without t...

  • Page 327: Additional Functions

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  317 additional functions license system, software and options license system options are marked with the word (option) in the manual. W61 license system cmstick serial number of the hardware w61cl license key w-code...

  • Page 328

    318  additional functions wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 cmstick cmstick/c cmcard/sd cmcard/m cmcard/e after the installation of the software on the computer, the icon will be presented in the tray icon area. Note: when a cmstick is plugged into an usb socket of a lcd...

  • Page 329: Wavecom Server

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  319 select “help” from the menu. Now you see the codemeter help screen. License update for codemeter and cmstick new licenses can be loaded to the cmstick without sending the key to wavecom. Just click “license up- ...

  • Page 331

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  321 networking information the following network setup parameters for remote control are available from the networking infor- mation tab: allow remote connections. Disable this box if you do not allow connections to...

  • Page 332: Shortcut Manager

    322  additional functions wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the wavecom server application makes use of a block cipher in cbc mode. All data is encrypted and de- crypted using the des-ede2 algorithm, with a key length of 128 bit. During initialization of the encrypted co...

  • Page 333: Alarm Monitor

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  323 alarm monitor introduction the alarm monitoris a component of the decoder software. Although it is a separate application, it is only useful when used in conjunction with the wavecom software. The alarm monitor ...

  • Page 334

    324  additional functions wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 configuration – font size the alarm monitor will display the text lines with the wavecom unicode font in the selected size. Use color: to display the background with the selected color. Options the save menu is ...

  • Page 335

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  325 press the numbered button on the left to see the current save paths at the bottom for that choice you may set up to ten different path and filename settings. These are used so the user can quickly change the sav...

  • Page 336: Serial Link

    326  additional functions wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 proceed as follows: enter a phone number for the message to be forwarded to check the enable sms box to enable the forwarding set the sms time delay (1..59 minutes) select a folder where to store the sms files u...

  • Page 337

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 additional functions  327 getting started the serial link can be started directly from the decoder using the view/wavecom serial link menu item. If you plan to connect to a card installed in a pc, which is different from the one on which...

  • Page 338: Remote Control

    328  additional functions wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 card status explanation initialize... The card is being initialized. Each card needs to be initialized when a connection is made to that card for the first time running the card is ready and active error a gener...

  • Page 339: Wavecom Data Formats

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  329 wavecom data formats ip-conf tcp/ip data format the decoder is able to receive signal data over a tcp/ip stream. The data format is as follows: sampling rates from 8 khz to 192 khz iq data (i) respective “left c...

  • Page 340

    330  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 element type description sync int32 synchronization number 0xa1b2c3d4. Type int32 derived from the chunk name, e.G., "sofh", " eofh", "ssiq". Size int32 the number of data bytes in the remainder of the chunk the...

  • Page 341

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  331 used in files should be indicated using the sofh chunk. The format name may also be used for the file extension to allow visual discrimination of different files. State information is accumulated by an applicati...

  • Page 342

    332  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 single channel iq packing – siqp chunk the information in this chunk is required to parse the data in the ssiq chunk. Element type description iisiqpacked int32 value 1 for iq ordering and value 0 for qi orderin...

  • Page 343: Wavecom Data File Format

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  333 element type description ltimestamp int64 the timestamp is stored as a 64 bit signed number, representative of the time of capture of the first sample in the chunk block, in microsecond res- olution. It is store...

  • Page 344

    334  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 linecount contains the number of data lines stored (the data stored is line based, that is a data package represents the data of a line). Pad contains additional information to be stored. Pad2 contains additiona...

  • Page 345

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  335 in pad[1] the left to right font direction: 1 = righttoleft, 0 = lefttoright text direction in pad[2] if unicode chars are stored: 1 = unicode, 0 = ascii characters are stored data this file type uses the data s...

  • Page 346

    336  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 data this ‘filetype’ uses the data structure described in chapter “ data structures ” on page 334 to store the da- ta. A data package in the .Wda file contains the data of one classified signal. The signal data ...

  • Page 347

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  337 the data package which contains the text “codecheck data section” marks the beginning of the co- decheck data section. The codecheck data of a classified signal is written to a single string. The following value...

  • Page 348

    338  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 struct graphicsdata { long phase; double aspectratio; int fliphv; }; data this filetype uses the data structure described in chapter “ data structures ” on page 334 to store the da- ta. A data package in the .Wd...

  • Page 349

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  339 to the default file header with 64 bytes additional a block of 48 bytes is added. The additional block contains display parameter used by the wavecom gui for displaying the stored data correctly. Note: the follo...

  • Page 350

    340  wavecom data formats wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 typedef struct st_sonagram_data { short asfftsamp[2048]; systemtime time; } st_sonagram_data; siganal data the filetype stored in the file header is “siganal”. Header data this file type uses the ‘file header’ d...

  • Page 351

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wavecom data formats  341 a data package in the .Wda file contains the data of all data points of one line in the graphic. The data points are stored in long values(4-bit type), that is 4 bytes in the .Wda file contains the value of one ...

  • Page 352: Appendix

    342  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix alphabets details unicode wavecom uses a unicode font to display data, which may be replaced by a user installed font within the ranges indicated below. Alphabet range hex range dec basic latin u+0000 - u+007f 0 –1...

  • Page 353

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  343 no. Transparent letter figure 14 0 0 1 1 0 n , 15 0 0 0 1 1 o 9 16 0 1 1 0 1 p 0 17 1 1 1 0 1 q 1 18 0 1 0 1 0 r 4 19 1 0 1 0 0 s ‘ 20 0 0 0 0 1 t 5 21 1 1 1 0 0 u 7 22 0 1 1 1 1 v = 23 1 1 0 0 1 w 2 24 1 0 1 1 1 x / 25 1 0...

  • Page 354

    344  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 no. Ita-2 alphabet letter figure 16 0 1 1 0 1 p 0 17 1 1 1 0 1 q 1 18 0 1 0 1 0 r 4 19 1 0 1 0 0 s ‘ 20 0 0 0 0 1 t 5 21 1 1 1 0 0 u 7 22 0 1 1 1 1 v = 23 1 1 0 0 1 w 2 24 1 0 1 1 1 x / 25 1 0 1 0 1 y 6 26 1 0 0 0 1 z + 27 ...

  • Page 355

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  345 no. Ita-3 alphabet letter figure 18 1 1 0 0 1 0 0 r 4 19 0 1 0 1 0 1 0 s ‘ 20 1 0 0 0 1 0 1 t 5 21 0 1 1 0 0 1 0 u 7 22 1 0 0 1 0 0 1 v = 23 0 1 0 0 1 0 1 w 2 24 0 0 1 0 1 1 0 x / 25 0 0 1 0 1 0 1 y 6 26 0 1 1 0 0 0 1 z + 2...

  • Page 356

    346  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 no. Ita-4 alphabet letter figure 18 0 0 1 0 1 0 r 4 19 0 1 0 1 0 0 s ‘ 20 0 0 0 0 0 1 t 5 21 0 1 1 1 0 0 u 7 22 0 0 1 1 1 1 v = 23 0 1 1 0 0 1 w 2 24 0 1 0 1 1 1 x / 25 0 1 0 1 0 1 y 6 26 0 1 0 0 0 1 z + 27 0 0 0 0 1 0 carr...

  • Page 357

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  347 dec oct hex bin symbol html number description 13 015 0d 00001101 cr carriage return 14 016 0e 00001110 so shift out / x-on 15 017 0f 00001111 si shift in / x-off 16 020 10 00010000 dle data line escape 17 021 11 00010001 d...

  • Page 358

    348  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 dec oct hex bin symbol html number description 49 061 31 00110001 1 1 one 50 062 32 00110010 2 2 two 51 063 33 00110011 3 3 three 52 064 34 00110100 4 4 four 53 065 35 00110101 5 5 five 54 066 36 00110110 6 6 six 55 067 37 ...

  • Page 359

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  349 dec oct hex bin symbol html number description 85 125 55 01010101 u u uppercase u 86 126 56 01010110 v v uppercase v 87 127 57 01010111 w w uppercase w 88 130 58 01011000 x x uppercase x 89 131 59 01011001 y y uppercase y 9...

  • Page 361

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  351 no. Sitor alphabet letter figure 28 0 0 1 1 0 1 1 line feed 29 0 1 0 1 1 0 1 letter shift 30 0 1 1 0 1 1 0 figure shift 31 0 0 1 1 1 0 1 space 32 0 1 0 1 0 1 1 unperforated tape 0 1 1 0 0 1 1 request 1 1 1 1 0 0 0 idle a 1 ...

  • Page 362: Questions & Answers

    352  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 no. Ita-1 alphabet letter figure 27 0 0 0 1 0 v ‘ 28 0 1 0 0 0 q / 29 1 1 1 1 1 unperforated tape 30 1 1 0 1 1 y 3 31 0 0 1 0 0 l = 32 0 0 0 0 0 p % questions & answers i got the following error message "an unnamed file con...

  • Page 363: Conditions Of Sale

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  353 antenna installation the antenna is the main factor when it comes to fighting noise. A well-designed long-wire antenna, with a proper impedance matching feeder, installed well clear of any obstructions, seldom exhibits inte...

  • Page 364

    354  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 prices the list prices are net, and exclude vat, shipping and packing costs, unless otherwise agreed. Wavecom elektronik ag reserves the right to adapt its prices to offset cost increases, e.G., salaries, material costs, an...

  • Page 365: License Terms

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 appendix  355 warranty despite careful testing of our equipment, component or functional failures may occur. Wavecom el- ektronik ag grants you a warranty for a period of 24 months from date of delivery. Defective compo- nents will be re...

  • Page 366: Manufacturer Address

    356  appendix wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 manufacturer address wavecom elektronik ag hammerstrasse 8 ch-8180 buelach switzerland phone: +41-44-872 70 60 fax: +41-44-872 70 66 e-mail: info@wavecom.Ch web: www.Wavecom.Ch.

  • Page 367: Glossary Of Terms

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 glossary of terms  357 glossary of terms active window the window on the screen where the next action will take place. The active window is indicated by a col- ored title bar and border. Af-in the af input has a range of 0 – 16.000 hz. T...

  • Page 368

    358  glossary of terms wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 the speed is given as the channel speed in bauds. For two level modulation types this equals the raw user bit rate, for four level s the bit rate is doubled, for eight levels it is tripled etc. Broadcast public or ...

  • Page 369

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 glossary of terms  359 default font used font if no other font is defined. Dis the dis input (discriminator) has a range of 0 – 20 khz. This input is supported by a few vhf-uhf re- ceivers and facilitates the reception of ”direct fsk” si...

  • Page 370

    360  glossary of terms wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 gfsk gaussian frequency shift keying. Gui graphical user interface. Hdx half duplex. Hot key an underlined letter in a menu or dialogue that you can type to immediately choose an item. If-in-10.7 the if-in-10.7 inp...

  • Page 371

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 glossary of terms  361 les land earth station. Lna low noise amplifier. Loop a section of a program that runs repeatedly until a limit or condition is met, such as a variable reaching a specified ending value. Mark application condition ...

  • Page 372

    362  glossary of terms wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 mfsk multi frequency shift keying. Minimize the act of causing a window to become an icon that includes the title of the window. Modal describes the state of a window or dialogue when it does not allow another wind...

  • Page 373

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 glossary of terms  363 path name the full name by which an operating system identifies a file. A path name is a sequence of directory and file names, each preceded by a backslash, that specifies the path from device to directory to file ...

  • Page 374

    364  glossary of terms wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 selcal selective call systems are an efficient supplement to voice traffic. One method was the so-called single- tone-mode using five different tone frequencies, another one the two-tone-modes, where the call numbe...

  • Page 375

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 glossary of terms  365 string an item of information consisting of a sequence of text characters. Sw software. Tdm time division multiplex. Tdma time division multiple access. Text editing window a window in which text is displayed and c...

  • Page 376

    366  glossary of terms wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 wildcard a character that may be used to represent a sequence of characters in a path name. A common wildcard character is the asterisk (*). As an example, if you request a listing of *.Txt files in a particular ap...

  • Page 377: Index

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 index  367 index a about 322 about w-code 68 acars 118 adding a shortcut to an existing installation 322 additional functions 317 aes identification 304 ais 120 alarm monitor 323 ale-400 121 alf-rds 122 alis 122 alis-2 123 alphabet... 38...

  • Page 378

    368  index wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 d data base fields 296 data encryption 321 data structures 334 db full scale - dbfs chunk 332 dcs selcal 156 decoder 178 decoder status bar 69 decoding 284, 290, 313 decoding of codan data modem signals 149 default data and pr...

  • Page 379

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 index  369 installation 290 introduction 319, 323, 326 ip-conf tcp/ip data format 329 ip-pxgf tcp/ip data format 329 isdn digital loop 310 ita-1 alphabet 351 ita-2 alphabet 343 ita-3-alphabet 344 ita-4 alphabet 345 ita-5 alphabet 346 l l...

  • Page 380

    370  index wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 pxgf description 329 pzvei 228 q questions & answers 352 r receiver 353 receiver and satellite settings... 54 receiver frequency error compensation 305 recommended wavecom products and services 9 remote control 328 reservation...

  • Page 381

    Wavecom decoder w74pc, w-pci/e, w-code, w-cloud manual v9.1.0 index  371 tree view of the classified signals' code checks 283, 289 trouble shooting 305 tuning fft or sonagram 81 tuning fsk signals 81 tuning mfsk signals 81 tuning psk signals 82 twinplex 262 u unicode 342 user interface 280, 286 v v...