Spatial Reference Manual
Page 33 of 158
Version 4.4
04/06/2019
8.4
GNSS Specifications
Parameter
Value
Supported Navigation Systems
GPS L1
GLONASS L1
GALILEO E1
BeiDou B1
Supported SBAS Systems
WAAS
EGNOS
MSAS
GAGAN
QZSS
Update Rate
10 Hz
Cold Start Sensitivity
-148 dBm
Tracking Sensitivity
-160 dBm
Hot Start First Fix
1 s
Cold Start First Fix
26 s
Horizontal Position Accuracy
2.5 m
Horizontal Position Accuracy (with L1 RTK)
0.02 m
Velocity Accuracy
0.05 m/s
Timing Accuracy
30 ns
Acceleration Limit
4 g
Table 9: GNSS specifications
8.5
Communication Specifications
Parameter
Value
Interface
RS232 (RS422 optional)
Primary and Auxiliary Port Speed
2400 to 2 M baud
GPIO Port Speed
2400 to 250 K baud
Protocol
AN Packet Protocol
NMEA
TSS1
Simrad
Peripheral Interface
2 x GPIO and Auxiliary RS232
GPIO Level
5 V or RS232
Table 10: Communication specifications