Novatel OM-20000149 User Manual

Page of 66
AG-STAR User Manual Rev 2
42
Appendix A 
Technical Specifications
A.1
AG-STAR Receiver Performance
 
PERFORMANCE
Channel Configuration
14 GPS L1 
12 GPS L1 + 2 SBAS
a
 
10 GPS L1 + 4 GLONASS L1 
8 GPS L1 + 6 GLONASS L1 
8 GPS L1 + 4 GLONASS L1 + 2 SBAS
a
 
10 GPS L1 + 2 GLONASS L1 + 2 SBAS
a
 
7 GPS L1 + 7 GLONASS L1 
14 GLO L1 
a. Satellite Based Augmentation Systems (SBAS) include WAAS (North America), EGNOS (Europe) and MSAS (Japan).
Horizontal Position Accuracy (RMS)
b
b. Typical values. Performance specifications subject to GPS system characteristics, US DOD operational 
degradation, ionospheric and tropospheric conditions, satellite geometry, baseline length, multipath effects and the 
presence of intentional or unintentional interference sources.
Export licensing restricts operation to a maximum velocity of 515 metres per second.
Absolute
Autonomous 1.5 
SBAS
a
0.9 m 
DGPS 0.5 
Measurement Precision (RMS)
GPS
GLONASS
L1 C/A Code 
5 cm 
35 cm
L1 Carrier Phase 
0.6 mm
1.5 mm 
Maximum Data Rate
Measurements 10 
Hz
Position 10 
Hz
Time to First Fix
Cold Start
c
85 s
Hot Start
d
55 s
c. Typical value. No almanac or ephemerides and no approximate position or time.
d. Typical value. Almanac and recent ephemerides saved and approximate time entered. For more information, refer to 
the “SETAPPROXTIME” command in the 
Signal Reacquisition
L1 <1.0 
(typical)
Time Accuracy (RMS)
GPS
GLONASS
20 ns 
40 ns 
Velocity Accuracy
b
 (RMS)
0.05 m/s