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Garmin GPS 18-5Hz Technical Specifications

Manual is about: GPS 18 series receiver and antenna

Summary of GPS 18-5Hz

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    Gps 18 technical specifications (190-00307-00) rev. D garmin international, inc. 1200 e. 151 st street olathe, ks 66062 usa 190-00307-00, revision d june 2005 gps 18 technical specifications.

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    Gps 18 technical specifications (190-00307-00) rev. D page i © copyright 2004–2005 garmin ltd. Or its subsidiaries all rights reserved except as expressly provided below, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any ...

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    Gps 18 technical specifications (190-00307-00) rev. D page ii table of contents 1 introduction..................................................................................................................1 1.1 cautions ................................................................................

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    Gps 18 technical specifications (190-00307-00) rev. D page iii 4.2.9 geographic position (gll)..............................................................................................................18 4.2.10 estimated error information (pgrme) .....................................................

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    Gps 18 technical specifications (190-00307-00) rev. D page 1 1 introduction 1.1 cautions caution the gps system is operated by the government of the united states, which is solely responsible for its accuracy and maintenance. Although the gps 18 is a precision electronic navigation aid (navaid), any...

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    Gps 18 technical specifications (190-00307-00) rev. D page 2 1.2 limited warranty this garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, garmin will at its sole option, repair or replace any components that fai...

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    Gps 18 technical specifications (190-00307-00) rev. D page 3 overview the gps 18 series products include an embedded receiver and an antenna. Based on the proven technology found in other garmin 12-channel gps receivers, the gps 18 tracks up to 12 satellites at a time while providing fast time-to-fi...

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    Gps 18 technical specifications (190-00307-00) rev. D page 4 1.4 gps 18 series there are several different versions of gps 18 available. Refer below for a list of the three major divisions of the gps 18 series. 1.4.1 gps 18 usb the gps 18 usb interfaces to a computer with an available usb port. Driv...

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    Gps 18 technical specifications (190-00307-00) rev. D page 5 1.5 technical specifications specifications are subject to change without notice. 1.5.1 physical characteristics 1.5.1.1 size 61 mm in diameter and 19.5 mm in height 1.5.1.2 weight • gps 18 unit only (no cable): 1.9 oz (53.9 g) • gps 18 us...

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    Gps 18 technical specifications (190-00307-00) rev. D page 6 1.5.2.4 gps receiver sensitivity -165 dbw minimum 1.5.3 environmental characteristics • operating temperature: -30°c to +80°c • storage temperature: -40°c to +90°c 1.5.4 gps performance 1.5.4.1 receiver waas enabled; 12 parallel channel gp...

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    Gps 18 technical specifications (190-00307-00) rev. D page 7 1.5.5 interfaces 1.5.5.1 gps 18 electrical characteristics • gps 18 usb: usb 2.0 full-speed protocol compatible, as well as usb 1.1 full-speed protocol. • gps 18 pc and lvc: tia-232-f (rs-232) compatible asynchronous receiver. Default sett...

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    Gps 18 technical specifications (190-00307-00) rev. D page 8 2 gps 18 lvc & gps 18-5hz wiring and pinouts the gps 18 lvc/18-5hz interfaces to a serial port. The unit accepts tia-232-f (rs-232) level inputs and transmits voltage levels from ground to the input voltage, tia-232-f (rs-232) polarity. Th...

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    Gps 18 technical specifications (190-00307-00) rev. D page 9 figure 2. Pda serial port interconnection figure 3. Basic nmea device interconnection.

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    Gps 18 technical specifications (190-00307-00) rev. D page 10 3 mechanical characteristics & mounting the central threaded recess accepts a metric m3 threaded bolt. The recess is approximately 4 mm deep (4.32 +/- 0.08 mm). The following drawings show example geometries for mounting hardware in case ...

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    Gps 18 technical specifications (190-00307-00) rev. D page 11 figure 5. Gps 18 suction cup mount center hole dimensions figure 6. Gps 18 flush mount dimensions figure 7. Gps 18 flush mount center hole dimensions.

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    Gps 18 technical specifications (190-00307-00) rev. D page 12 4 gps 18 pc, gps 18 lvc, & gps 18-5hz software interface the interface protocol design of the gps 18 pc, lvc, and gps 18-5hz products is based on the national marine electronics association’s nmea 0183 ascii interface specification. This ...

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    Gps 18 technical specifications (190-00307-00) rev. D page 13 4.1.2 sensor initialization information (pgrmi) the $pgrmi sentence provides information used to initialize the gps sensor’s set position and time used for satellite acquisition. Receipt of this sentence by the gps sensor causes the softw...

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    Gps 18 technical specifications (190-00307-00) rev. D page 14 4.1.4 additional sensor configuration information (pgrmc1) the $pgrmc1 sentence provides additional information used to configure the gps sensor operation. Configuration parameters are stored in non-volatile memory and retained between po...

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    Gps 18 technical specifications (190-00307-00) rev. D page 15 4.2 transmitted nmea 0183 sentences the subsequent paragraphs define the sentences that can be transmitted by the gps 18 pc and lvc. 4.2.1 sentence transmission rate sentences are transmitted with respect to the user selected baud rate. T...

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    Gps 18 technical specifications (190-00307-00) rev. D page 16 4.2.2 transmitted time the gps sensor outputs utc (coordinated universal time) date and time of day in the transmitted sentences. Before the initial position fix, the on-board clock provides the date and time of day. After the initial pos...

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    Gps 18 technical specifications (190-00307-00) rev. D page 17 4.2.4 global positioning system fix data (gga) $gpgga,,,,,,,,,,m,,m,,*hh utc time of position fix, hhmmss format for gps 18 pc or lvc; hhmmss.S format for gps 18- 5hz latitude, ddmm.Mmmm format for gps 18 pc/lvc; ddmm.Mmmmm for gps 18-5hz...

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    Gps 18 technical specifications (190-00307-00) rev. D page 18 4.2.7 recommended minimum specific gps/transit data (rmc) $gprmc,,,,,,,,,,,,*hh utc time of position fix, hhmmss format for gps 18 pc/lvc; hhmmss.S format for gps 18-5hz status, a = valid position, v = nav receiver warning latitude, ddmm....

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    Gps 18 technical specifications (190-00307-00) rev. D page 19 4.2.10 estimated error information (pgrme) $pgrme,,m,,m,,m*hh estimated horizontal position error (hpe), 0.0 to 999.9 meters estimated vertical position error (vpe), 0.0 to 999.9 meters estimated position error (epe), 0.0 to 999.9 meters ...

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    Gps 18 technical specifications (190-00307-00) rev. D page 20 4.2.14 dgps beacon information (pgrmb) note: the gps 18 products do not support pgrmb at this time. $pgrmb,,,,,,k,,,*hh beacon tune frequency, 0.0, 283.5 to 325.0 khz in 0.5 khz steps beacon bit rate, 0, 25, 50, 100, or 200 bps beacon snr...

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    Gps 18 technical specifications (190-00307-00) rev. D page 21 the default pulse width is 100 ms, however; it may be programmed in 20 ms increments between 20 ms and 180 ms as described in $pgrmc section 4.1.2 sensor initialization information (pgrmi) , field . Appendix a: earth datum list the follow...

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    Gps 18 technical specifications (190-00307-00) rev. D page 22 34 gux 1 astro–guadalcanal island 35 hjorsey 1955–iceland 36 hong kong 1963–hong kong 37 indian–bangladesh, india, nepal 38 indian–thailand, vietnam 39 ireland 1965–ireland 40 ists o73 astro 1969–diego garcia 41 johnston island 1961–johns...

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    Gps 18 technical specifications (190-00307-00) rev. D page 23 73 old hawaiian–mean value 74 oman–oman 75 pico de las nieves–canary islands 76 pitcairn astro 1967–pitcairn island 77 puerto rico–puerto rico, virgin islands 78 qatar national–qatar 79 qornoq–south greenland 80 reunion–mascarene island 8...

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    Gps 18 technical specifications (190-00307-00) rev. D page 24 appendix b: binary phase output format in binary phase output mode, gps 18 series products will transmit two types of packets once per second. One record contains primarily post-process information such as position and velocity informatio...

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    Gps 18 technical specifications (190-00307-00) rev. D page 25 satellite data record the satellite data has a record id of 0x72 with 84 (0x54) data bytes. The data bytes contain the data for the 12 channels as described below. For each satellite, the following data is available: typedef struct { uint...

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    Gps 18 technical specifications (190-00307-00) rev. D page 26 the usb packet for the satellite record looks like: - 0x72 (record id – single byte) - 0x54 (number of data bytes – single byte) - cpo_all_sat_data position record the position record has a record identifier of typedef struct { float alt;...

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    Gps 18 technical specifications (190-00307-00) rev. D page 27 receiver measurement record typedef struct { unsigned long cycles; double pr; unsigned int phase; char slp_dtct; unsigned char snr_dbhz; char svid; char valid; } cpo_rcv_sv_data; typedef struct { double rcvr_tow; int rcvr_wn; cpo_rcv_sv_d...

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    Gps 18 technical specifications (190-00307-00) rev. D page 28 dle and etx bytes: sample c code to receive the two records should filter dle and etx bytes as described below: typedef enum { dat, dle, etx } rx_state_type; /* declare and initialize static variables */ static char in_que[ 256 ]; static ...

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    Gps 18 technical specifications (190-00307-00) rev. D page 29 appendix c: changing the baud rate in garmin mode in certain cases, you may need to change the default baud rate of your garmin gps receiver while in garmin mode. Follow these steps to temporarily change the baud rate. Refer to the garmin...

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    Gps 18 technical specifications (190-00307-00) rev. D page 30 appendix d: gps 18 pc/ lvc/18-5hz & windows serial mouse issue problem: it is possible for windows to incorrectly interpret the nmea 0183 output of the gps 18 pc as the output of a microsoft serial ballpoint mouse. When that happens, wind...

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    Gps 18 technical specifications (190-00307-00) rev. D page 31 4. Select the serial port to which the gps 18 is connected. Select auto to have the program automatically determine the baud rate, or select manual to manually select the baud rate of the gps 18. Click ok when done. 5. Click the connect i...

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    Gps 18 technical specifications (190-00307-00) rev. D page 32 appendix e: sensor configuration software snsrcfg configures the gps sensors based on user-selected parameters. Some application features include the ability to download gps sensor configuration, maintain different configurations in files...

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    Gps 18 technical specifications (190-00307-00) rev. D page 33 file menu the file menu allows you to open, save, and print sensor configurations. The items in the file menu work like most windows-based programs. Comm menu the comm (communication) menu allows you to set the port number, baud rate, and...

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    For the latest free software updates (excluding map data) throughout the life of your garmin products, visit the garmin web site at www.Garmin.Com. © copyright 2004–2005 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Garmin (europe) l...