Falcon NAVI-B - Manual (Page 10)

NAVI-B VERSION 1.01
Time 1 microsecond synchronized to GPS time
3.2.1.3 DGPS Accuracy
Position 1 to 5 meters, typical
Velocity 0.05 meters/second, typical
3.2.1.4 Datum
WGS-84
3.2.1.5 Acquisition Rate
Hot start < 4 sec., average
Warm start < 35 sec., average
Cold start < 45 sec., average
3.2.1.6 Sensitivity *
Tracking 16 dBHz
Hot Start 23 dBHz
Warm Start 28 dBHz
Cold Start 32 dBHz
* The sensitivity value is specified at the correlator. On a NAVI-B Evaluation Receiver
using SiRFXTrac firmware, 32 dBHz is equivalent to -142 dBm or -172 dBW.
3.2.1.7 Dynamic Conditions
Altitude 18,000 meters (60,000 feet) max.
Velocity < 515 meters/second (1000 knots) max.
Acceleration 4 g, max.
Jerk 20 meters/second³, max.
3.2.1.8 DC Power
Main power +10 to +32 V DC ±5 %
Continuous mode 45 mA at 12 V DC
Backup power RTC backup (+3 V DC)
3.2.1.9 Bluetooth™ Serial Port
Connection : Communicate with Host Platform via
Bluetooth™(Class 2) Serial Port Profile.
Protocol messages: SiRF binary – position, velocity, altitude,
status and control.
NMEA, Msg.: GGA, GLL, GSA, GSV,
RMC and VTG
Serial port settings: Baud Rate: up to 115200 bps
Data bits: 8
Parity:
NO
Stop bit: 1
Flow control: NO
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