Simultaneous tracking of satellite signals
|
channel
|
1408/800+ (optional)
|
Global Positioning System
|
L1C/A, L1C, L2P(Y), L2C, L5
|
Beidou
|
B1l B2I, B3I, B1C, B2a, B2b*
|
Glonass
|
L1, L2
|
Galileo
|
E1, E5A, E5B, E6
|
Infrared Navigation Satellite System
|
L5
|
SBAS system
|
L1C/A,L5(QZSS,WAAS,MSAS,GAGAN)
|
QZSS
|
L1, L2, L5, L6*
|
positioning performance
|
high precision static
|
horizontal
|
2.5 mm + 0.1 ppm RMS
|
vertical
|
3.5 mm + 0.4 ppm RMS
|
static and fast static
|
horizontal
|
2.5 mm + 0.5 ppm RMS
|
vertical
|
5 mm + 0.5 ppm RMS
|
Post-processing kinematics (PPK / Stop & Go)
|
horizontal
|
8mm+1ppm effective value
|
vertical
|
15mm+1ppm effective value
|
initialization time
|
Typically 10 minutes for base, 5 minutes for rover
|
initial reliability
|
Usually > 99.9%
|
Code differential GNSS positioning
|
horizontal
|
25cm+1ppm effective value
|
vertical
|
50cm+1ppm effective value
|
SBAS system
|
0.5m
|
Real-time Kinematics (RTK)
|
single baseline
|
horizontal
|
|
vertical
|
|
Network RTK (VRS, FKP, MAC)
|
horizontal
|
8mm+0.5ppm effective value
|
vertical
|
15mm+0.5ppm effective value
|
initialization time
|
Usually 2-10 seconds
|
initial reliability
|
Usually > 99.99%
|
Provides RTK measurements even during differential signaling disturb
|
repair
|
horizontal
|
RTK+10mm/min RMS
|
vertical
|
RTK+20mm/min RMS
|
time to first fix
|
Cold start
|
< 45 seconds
|
Hot Start
|
< 30 seconds
|
signal reacquisition
|
< 2 seconds
|
Image Accuracy
|
stake out
|
usually 2 cm
|
image measurement
|
2cm~4cm
|
Tilt measurement performance
|
The additional horizontal pole tilt uncertainty is usually less than 8mm+0.7mm/°tilt (60°tilt accuracy 2.5cm)
|