UniTraQ UD-731 Technical Manual

Fast acquisition enhanced sensitivity 44 channel usb dongle gps receiver
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UD-731
USB Dongle Series
Model:UD-731
GPS USB Dongle
Technical Manual
UniTraQ International Corp. All right reserved, © 2008
th
9F-2, NO. 158, Sec. 2,Gongdao 5
Rd., Hsinchu City 30070, Taiwan, R.O.C
MADE IN TAIWAN

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Summary of Contents for UniTraQ UD-731

  • Page 1 UD-731 USB Dongle Series Model:UD-731 GPS USB Dongle Technical Manual UniTraQ International Corp. All right reserved, © 2008 9F-2, NO. 158, Sec. 2,Gongdao 5 Rd., Hsinchu City 30070, Taiwan, R.O.C MADE IN TAIWAN...
  • Page 2: Table Of Contents

    9.4 GSV - GPS satellite in view………….….….….….….…..….…….….….….….……….………………….9 9.5 RMC – recommended minimum specific GPS/transit data…………. .….….…...……………………9 9.6 VTG – course over ground and ground speed…………….….….……….……..….………………….11 9.7 ZDA – time and data…..….….….….….…..….….….….….….….….….…...….….….………………….12 9.8 Binary messages.….….….….….….…….….….….….….….….….….….….….….….………………….12 UniTraQ International Corp. RoHS compliance 2008,8, Version 1.1...
  • Page 3: Features

    GPS USB Dongle UD-731 Fast Acquisition Enhanced Sensitivity 44 Channel USB Dongle GPS Receiver The UD-731 is a compact all-in-one GPS receiver that continuously tracks all satellites in view and provides accurate satellite positioning data. 1. FEATURES Its 44 parallel channels and 20000+ correlators provide 44 channel to acquire and track satellites fast satellite signal acquisition and short start-up time.
  • Page 4: Technical Specifications

    Input Voltage 5V ±5% Power Consumption 180mW Connector USB B-type 4P male Flash(optional) Log 100,000 recorsint flash memory( 8M Bits). Data: Longitude, Latitude, Speed, UTC. Format:WGS84 Note: Data log function is optional UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 5: Gps Status Indicator

    3. GPS STATUS INDICATOR The UD-731 provides GPS status indicator. LED On board shows fix or non-fix. In fix mode, the LED will light for 1second and turn off for 1second. In another mode, the pin will light for 2 seconds and turn-off for 2 seconds.
  • Page 6: Environment Specification

    GPS USB Dongle 5. ENVIRONMENT SPECIFICATION Parameter Specification -20℃~+60℃ Operating Temperature -40℃~+80℃ Storage Humidity 5%~95% 6. PIN ASSIGNMENT Signal name Description Notes USB port power USB port data- USB port data+ USB ground UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 7: Mechanic Dimension

    9.1 GGA – GLOBAL POSITIONING SYSTEM FIX DATA Time, position and fix related data for a GPS receiver. Structure: $GPGGA,hhmmss.sss,ddmm.mmmm,a,dddmm.mmmm,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh<CR><LF> 5 6 7 8 9 11 12 13 Example: $GPGGA,060932.448,2447.0959,N,12100.5204,E,1,08,1.1,108.7,M,,,,0000*0E<CR><LF> UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 8 Checksum Note: The checksum field starts with a ‘*’ and consists of 2 characters representing a hex number. The checksum is the exclusive OR of all characters between ‘$’ and ‘*’. UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 9: Gll - Latitude And Longitude, With Time Of Position Fix And Status

    Mode indicator ‘N’ = Data not valid ‘A’ = Autonomous mode ‘D’ = Differential mode ‘E’ = Estimated (dead reckoning) mode ‘M’ = Manual input mode ‘S’ = Simulator mode Checksum UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 10: Gsa - Gps Dop And Active Satellites

    12 transmitted PDOP 40.4 Position dilution of precision (00.0 to 99.9) HDOP 24.4 Horizontal dilution of precision (00.0 to 99.9) VDOP 32.2 Vertical dilution of precision (00.0 to 99.9) Checksum UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 11: Gsv - Gps Satellite In View

    9.5 RMC - RECOMMANDED MINIMUM SPECIFIC GPS/TRANSIT DATA Time, date, position, course and speed data provided by a GNSS navigation receiver. Structure: $GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x.x,ddmmyy,x.x,a,a*hh<CR><LF> 6 7 8 10 1112 13 Example: $GPRMC,092204.999,A,4250.5589,S,14718.5084,E,0.00,89.68,211200,,A*25<CR><LF> UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 12 Mode indicator ‘N’ = Data not valid ‘A’ = Autonomous mode ‘D’ = Differential mode ‘E’ = Estimated (dead reckoning) mode ‘M’ = Manual input mode ‘S’ = Simulator mode checksum UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 13: Vtg - Course Over Ground And Ground Speed

    Mode indicator ‘N’ = not valid ‘A’ = Autonomous mode Mode ‘D’ = Differential mode ‘E’ = Estimated (dead reckoning) mode ‘M’ = Manual input mode ‘S’ = Simulator mode Checksum UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 14: Zda - Time And Data

    Local zone hour Not being output by the receiver (NULL) Local zone minutes Not being output by the receiver (NULL) Checksum 9.8 BINARY MESSAGES See Binary Message Protocol User’s Guide for detailed descriptions. UniTraQ International Corp. RoHS compliance 2008, 8, Version 1.1...
  • Page 15 UniTraQ assumes no responsibility for errors or omissions in these materials, nor for its use. UniTraQ reserves the right to change specification at any time without notice. These materials are provides “as is” without warranty of any kind, either expressed or implied, relating to sale and/or use of UniTraQ products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right.

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