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266 MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2
Table E-5 RT-2 Degradation With Respect To Data Delay
1
Table E-6 RT-20 Performance
Data Delay (sec) Distance (km) Accuracy (CEP)
0 - 2 1 +1 cm/sec
2 - 7 1 +2 cm/sec
7 - 30 1 +5 cm/sec
> 30 1
pseudorange or single point
3
Tracking Time (sec)
Mode
1
Data Delay (sec) Distance (km) Accuracy (CEP)
1 - 180 Static 0 1 100 to 25 cm
180 - 3000 Static 0 1 25 to 5 cm
> 3000 Static 0 1
5 cm or less
2
1 - 600 Kinematic 0 1 100 to 25 cm
600 - 3000 Kinematic 0 1 25 to 5 cm
> 3000 Kinematic 0 1
5 cm or less
2
Either 0 - 2 1 +1 cm/sec
Either 2 - 7 1 +2 cm/sec
Either 7 - 30 1 +5 cm/sec
Either > 30 1
pseudorange or single point
3
1 Mode = Static or Kinematic
2
The accuracy specifications refer to the PRTKA/B logs which include about 3 cm extrapolation error. RTKA/B logs are more accurate
but have increased latency associated with them.
3
After 30 seconds reverts to pseudorange positioning (single point or differential depending on messages previously
received from the base station).