User Manual for Tersus GeoBee30 v1.0
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3. Specifications
This chapter includes the specifications of David30 GNSS Receiver, AX4E02
GNSS Antenna and TR600 Ntrip Modem.
3.1 David30 GNSS Receiver
Table 2 David30 GNSS Performance
GNSS Performance
Signal tracking
GPS L1 C/A, L2C, L2P, L5; GLONASS L1 C/A, L2 C/A; BeiDou
B1I, B2I, B2a, B3I; Galileo E1, E5a, E5b; QZSS L1 C/A, L2C, L5
GNSS channels
576
Position Accuracy
Single positioning (RMS)
1.5m (Horizontal)
3.0m (Vertical)
RTK Positioning (RMS)
8mm+1ppm (Horizontal)
15mm+1ppm (Vertical)
DGPS (RMS)
0.4m (Horizontal)
0.8m (Vertical)
Time to First Fix
Cold Start: <50s
Warm Start: <30s
Reacquisition
< 2.0s (typical)
Data Rate
Measurements
20Hz
Position
5Hz
Time Accuracy
20ns RMS
Velocity Accuracy
0.03m/s RMS
Measurement Precision
C/A Code
10cm
P Code(zenith direction)
10cm
Carrier Phase (zenith direction)
1mm
Physical Description
