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Technical Specification
System
Bi-phase data modulation 4800 baud NMEA 0183/ASCII data messages
GPS
12 channel all in view, fully dynamic GPS receiver
Accuracy
Better than 15 metres RMS unaided, 3 metres DGPS.
Power
9 volts PP3 battery (500mAH), 4 hours continuous use
Size
145 x 82 x 32 – robust extruded aluminium case
Data output
RS232 NMEA 0183 as input from GPS receiver.
GPS data - real time
1 PPS from internal GPS receiver – real time
NMEA 0183 messages:- $GPGGA, $GPRMC, $GPZDA
Connections
Modulated data input/output - Phono (RCA jack)
RS232 output, GPS data, 1PPS, etc - 9 way “D” socket
2.1mm - DC power jack
Monitoring
GPS fix/1PPS
Sync Lock
Bit lock
Serial data
9 Way D socket (for DCE modem type connections)
Pin #
1
= DCD
1 = Encode, 0 = Decode
6
= DSR
1 PPS from internal GPS receiver
2
= TX o/p
GPS data - RS232 o/p
7
= RTS
link to CTS - pin 8
3
= RX i/p
Ext GPS or DGPS (RTCM)
8
= CTS
link to RTS - pin 7
4
= DTR
1 = Ext’ GPS data i/p
9
= RI
“1” (~9 v) link to pin 4 for ext’ GPS
5
= 0 volts
Common return input/output
SCR
Shell/Jack screw = 0 volts
Содержание CamNav
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