14
Appendix C. Specification
General
GPS technology
NEMERIX GPS Module
Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
16 channels all in view tracking
Sensitivity -155
dBm
Receiver Accuracy
Position
1.2 meters Static CEP 50,
3.0 meters Static CEP 95;
1.3 meters Static Altitude 50,
3.8 meters Static Altitude 95
Velocity
0.1 m/sec, without SA
Time
±100ns synchronized to GPS time
Datum
Datum WGS-84
Acquisition Time
Hot start
5 sec, average
Warm start
34 sec, average
Cold start
46 sec, average
Reacquisition <3sec
Protocol
GPS Output Data
NMEA 0183 (V3.01) - GGA, GSA, GSV,
RMC(default); VTG, GLL (optional)
Baud rate 115200 bps, Data bit: 8, Stop bit: 1
(Default)
Limitations
Acceleration Limit
<2G
Altitude Limit
<18,000 meters
Velocity Limit
<515 meters/sec.
Jerk Limit
20 m/sec.
Power
Battery Built-in
rechargeable 1050mAh Lithium
battery
Operation Current [email protected](w/o Bluetooth)
[email protected](w/ Bluetooth)
Operation Time
Up to 30 hrs, after fully charged.
