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環天衛星科技股份有限公司
PRODUCT USER MANUAL
RS232 GPS RECEIVER
BR-355
GlobalSat Technology Corporation
台北縣中和市建一路 186 號 16 樓(遠東世紀廣場)
16, No.186,Chien 1 Road, 235Chung Ho City,Taipei Hsien, Taiwan ,R.O.C.
Tel: 886-2-8226-3799(Rep.)
Fax: 886-2-8226-3899
Web:
www.globalsat.com.tw
E-mail:service@globalsat.com.tw
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Summary of Contents for Globalsat BR-355
- Page 1 環天衛星科技股份有限公司 PRODUCT USER MANUAL RS232 GPS RECEIVER BR-355 GlobalSat Technology Corporation 台北縣中和市建一路 186 號 16 樓(遠東世紀廣場) 16, No.186,Chien 1 Road, 235Chung Ho City,Taipei Hsien, Taiwan ,R.O.C. Tel: 886-2-8226-3799(Rep.) Fax: 886-2-8226-3899 Web: www.globalsat.com.tw E-mail:service@globalsat.com.tw...
- Page 2 Features: SiRF starⅢ high performance GPS Chip Set Very high sensitivity (Tracking Sensitivity: -159 dBm) Extremely fast TTFF (Time To First Fix) at low signal level Support NMEA 0183 data protocol Built-in SuperCap to reserve system data for rapid satellite acquisition Built-in patch antenna Super-cohesive magnetic for mounting on the car Water resisted and non-slip on the bottom...
- Page 3 Cold start 42 sec., average Dynamic Conditions Altitude 18,000 meters (60,000 feet) max Velocity 515 meters /second (1000 knots) max Acceleration Less than 4g Jerk 20m/sec **3 Power Main power input 4.5V ~ 6.5V DC input Power consumption 42mA Protocol Electrical level Output voltage level: 0V ~ 2.85V Baud rate...
- Page 4 Pin description * VIN (DC power input): This is the main DC supply for a 4.5V ~6.5 DC input power. * TX: This is the main transmits channel for outputting navigation and measurement data to user’s navigation software or user written software. * RX: This is the main receive channel for receiving software commands to the engine board from SiRFdemo software or from user written software.
- Page 5 SOFTWARE COMMAND NMEA Output Command GGA-Global Positioning System Fixed Data Table B-2 contains the values for the following example: $GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M,,,,0000*18 Table B-2 GGA Data Format Name Example Units Description Message ID $GPGGA GGA protocol header UTC Time 161229.487 hhmmss.sss Latitude 3723.2475 ddmm.mmmm N/S Indicator...
- Page 6 GLL-Geographic Position-Latitude/Longitude Table B-4 contains the values for the following example: $GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C Table B-4 GLL Data Format Name Example Units Description Message ID $GPGLL GLL protocol header Latitude 3723.2475 ddmm.mmmm N/S Indicator N=north or S=south Longitude 12158.3416 dddmm.mmmm E/W Indicator E=east or W=west UTC Position 161229.487...
- Page 7 GSV-GNSS Satellites in View Table B-8 contains the values for the following example: $GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 $GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41 Table B-8 GSV Data Format Name Example Description Message ID $GPGSV GSV protocol header Number of Messages Range 1 to 3 Message Number Range 1 to 3 Satellites in View Satellite ID Channel 1(Range 1 to 32)
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Page 8: Rmc-Recommended Minimum Specific Gnss Data
RMC-Recommended Minimum Specific GNSS Data Table B-10 contains the values for the following example: $GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598,,*10 Table B-10 RMC Data Format Name Example Units Description Message ID $GPRMC RMC protocol header UTC Time 161229.487 hhmmss.sss Status A=data valid or V=data not valid Latitude 3723.2475 ddmm.mmmm... - Page 9 VTG-Course Over Ground and Ground Speed $GPVTG,309.62,T,,M,0.13,N,0.2,K*6E Name Example Units Description Message ID $GPVTG VTG protocol header Course 309.62 degrees Measured heading Reference True Course degrees Measured heading Reference Magnetic Speed 0.13 knots Measured horizontal speed Units Knots Speed Km/hr Measured horizontal speed Units Kilometers per hour...
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