NAVSYNC CW25 User Manual

Summary of CW25

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    Cw25 gps receiver user manual issue: r03 bulletin ns15-um revision 03 date 16 june 2008.

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    Cw25 software user manual page 2 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 1. Description ..................................................................................................................................

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 3 of 50 rev 03 date: 06/16/08 8.3 command format * ............................................................................................................................

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    Cw25 software user manual page 4 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 1. Description 1.1 introduction the cw25 gps receiver (cw25) is a small size gps oem module that has been specifically designed for use in wea...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 5 of 50 rev 03 date: 06/16/08 1. Description continued 1.2 global positioning system (gps) the global positioning system (gps) is a military satellite based navigation syst...

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    Cw25 software user manual page 6 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 1.4 standard positioning service (sps) civil users worldwide are able to use the sps without restriction or charge. Dilution of precision (dop...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 7 of 50 rev 03 date: 06/16/08 2. Specification 2.1 performance cw25 gps receiver specifications 1 physical module dimensions 25mm (d) x 27mm (w) x 4.2mm (h) supply voltages...

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    Cw25 software user manual page 8 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Figure 1 block diagram rf block front end filter clock if filter regulator & reset regulator ant_supply rf_3v3 dig_3v3 rf_in trim/ext_clk dig_...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 9 of 50 rev 03 date: 06/16/08 3. Physical characteristics the cw25 is a multi-chip module (mcm) built on an fr4 fiberglass pcb. All digital and power connections to the mcm...

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    Cw25 software user manual page 10 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Rf_in pin 22 figure 3 mcm dimensions figure 4 solder pad size and placement 3.3 solder pad size and placement it is recommended that the foot...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 11 of 50 rev 03 date: 06/16/08 4. Signal description the signals on the cw25 are described in the table below. All test, control and i/o ports are cmos 3.3v compatible un- ...

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    Cw25 software user manual page 12 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 4.2 rf signals rf_in type: rf direction: input pin: 24 the rf input signal. This attaches to the gps antenna. Standard rf design rules must b...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 13 of 50 rev 03 date: 06/16/08 4.4 control signals npor type: control direction: input/output pin: 16 the power on reset signal. This active low, open collector signal is t...

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    Cw25 software user manual page 14 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 4.5 i/o signals continued event_in type: i/o direction: input/output pin: 37 the event input signal. This is normally an event timer or count...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 15 of 50 rev 03 date: 06/16/08 5. Features 5.1 power on reset the power on reset for the cw25 is generated on-board by the regulator in the rf section from the rf_3v3 signa...

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    Cw25 software user manual page 16 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 7. Power management the cw25 gps receiver is a low power module consuming less than 0.6w typically for a 1hz update of position. The re- ceiv...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 17 of 50 rev 03 date: 06/16/08 8. Communication protocols full descriptions of the communications protocols used by the cw25 can be found in section 8.2 and 8.3. 8.1 port c...

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    Cw25 software user manual page 18 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.2.1.2 gpgga - gps fix data time and position, together with gps fixing related data. $ gpgga , hhmmss.Sss, latitude, n, longitude , e, fs, ...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 19 of 50 rev 03 date: 06/16/08 8.2.1.4 gpgsv - gps satellites in view the number of satellites in view, together with each prn, elevation and azimuth, and c/no value. Up to...

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    Cw25 software user manual page 20 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.2.1.6 gpvtg - course over ground and ground speed. Velocity is given as course over ground (cog) and ground speed $gpvtg,cogt,t,cogm ,m ,kn...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 21 of 50 rev 03 date: 06/16/08 8.2.1.9 polyp- position data $polyp,hhmmss.Sss,latitude,n,longitude,e, altref ,fs,hacc,vacc, sog , cog , v_vel,agec,hdop,vdop,pdop,gdop,tdop,...

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    Cw25 software user manual page 22 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.2.1.10 polys - satellite status $polys,gt{,id,s,azm,el,sn,lk}{,id,s,azm,el,sn,lk}{,id,s,azm,el,sn,lk}{,id,s,azm,el,sn, lk}{,id,s,azm,el,sn,...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 23 of 50 rev 03 date: 06/16/08 8.2.3.1 navigation and timing summary ($11) navigation summary page 12x32x32x16 cw25 1.741 may 10 2004 15:03:41 time 140533.70 3840 1270 1371...

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    Cw25 software user manual page 24 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Software configuration and version: channels x taps x fft points, software version and date time tag information: utc time in hhmmss.Sss form...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 25 of 50 rev 03 date: 06/16/08 8.3 command format * the navsync cw25 receiver has a unique set of proprietary commands. Commands will only be accepted on port 1. The comman...

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    Cw25 software user manual page 26 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.3.2 prth, dyna: receiver dynamics purpose this message sets, queries and responds to the receiver host dynamics and hence the maximum recei...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 27 of 50 rev 03 date: 06/16/08 8.3.4 prth, rset: re-set the receiver purpose this message sets, queries and responds to a receiver re-set command with optional actions such...

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    Cw25 software user manual page 28 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.3.6 prth, illh: initialized lat, long, height position purpose this message sets, queries and responds to the initialised geodetic position...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 29 of 50 rev 03 date: 06/16/08 8.3.9 prth, mmsv: min & max satellites for a position solution purpose this message sets, queries and responds to the minimum and maximum num...

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    Cw25 software user manual page 30 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 8.4 network assistance input the cw25 uses network assistance data to allow acquisition and tracking of gps satellites in low signal levels. ...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 31 of 50 rev 03 date: 06/16/08 9. Nmea and uart configuration details this section describes how the nmea and uart output can be configured for different refresh rates, con...

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    Cw25 software user manual page 32 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. The leds are used to indicate the operating state of the gps receiver. An initial long flash indicates the gps fix mode. Red - no fix, 1pps i...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 33 of 50 rev 03 date: 06/16/08 11. Ild network assist message format this section defines the ild (indoor location demonstrator) format network assistance base station mess...

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    Cw25 software user manual page 34 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Name description #wtp base station week, time, and position data. Week gps week number (blank if unknown) tow gps time of week (seconds) of t...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 35 of 50 rev 03 date: 06/16/08 11.1.3 #klb, klobuchar ionospheric parameters message this message is output approximately once every 16 seconds. #klb, a0, a1, a2, a3, b0, b...

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    Cw25 software user manual page 36 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 11.1.5 #tim, time input message this message is output every seconds to provide an approximate starting gps time. This message has not curren...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 37 of 50 rev 03 date: 06/16/08 11.1.7 example sequence of messages this is an example of a sequence of message for a demonstrator system (i.E. #wtp messages are used rather...

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    Cw25 software user manual page 38 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. #wtp, 1282,467138.243,3912412, -78916,5020026, &d5 #eph, 13,409000,191ea0,d180af, b1a11b, d70fe8, b17242, 000006,fcc7b1, b10249, 2afd13, 2b28...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 39 of 50 rev 03 date: 06/16/08 #wtp,1282,467147.459,3912415,-78915,5020028,&e2 #eph,30,409000,191ea0,d180af,b1a11b,d70fee,4e7241,00fff8,48d37f,4efb8e,34f335,f1519a,fc1c03,d...

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    Cw25 software user manual page 40 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 12. Time pulse interface the time pulse interface outputs a precise pulse with respect to utc time. Typically this is a 1pps signal. The time...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 41 of 50 rev 03 date: 06/16/08 figure 7 rf tracking examples alternatively, the user can attach the antenna to the hirose h.Fl-r-smt using a flying lead fitted with a suita...

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    Cw25 software user manual page 42 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. 14.3 grounding in connecting the cw25 into a host system, good grounding practices should be observed. Specifically, ground currents from the...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 43 of 50 rev 03 date: 06/16/08 14.5 over voltage & reverse polarity protection the cw25 contains no over voltage or reverse polarity protection. The cw25 should be handled ...

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    Cw25 software user manual page 44 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Appendix 1 glossary 2d two-dimensional 3d three dimensional (i.E. Including altitude) agc automatic gain control almanac data transmitted by ...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 45 of 50 rev 03 date: 06/16/08 glossary continued… firmware program resident within the receiver. Gdop geometrical dilution of precision geoid the mean sea level surface of...

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    Cw25 software user manual page 46 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Glossary continued… prn pseudo-random noise code unique to each satellite’s message and therefore used to identify each satellite. Pseudo ran...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 47 of 50 rev 03 date: 06/16/08 appendix 2 contact details for further details and hot-line support please contact: north american sales navsync ltd. 2111 comprehensive dr, ...

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    Cw25 software user manual page 48 of 50 rev 03 date: 06/16/08 copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Appendix 4 tape & reel specifications (i) measured from center line of sprocket hole to center line of pocket. (ii) cumulative tolerance of 1...

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    Copyright ©2007 navsync ltd.All rights reserved specifications subject to change without notice. Cw25 software user manual page 49 of 50 rev 03 date: 06/16/08.

  • Page 50: Cw25

    Cw25 user manual navsync, ltd. Europe bay 143 shannon industrial estate shannon, co. Clare, ireland phone: +353 61 475 666 e-mail: [email protected] north america 2111 comprehensive drive aurora, il 60505, usa phone: 630.236.3026 e-mail: [email protected] www.Navsync.Com revision revision dat...