Radian IS Specifications
Appendix A
RADIAN™IS
53
Performance continued...
Computed Data Update Rate
10 solutions per second (maximum)
Measured Data Update Rate
10 data records per second (maximum)
Point
Positioning
SA On: 40 m (131.2 ft)
SA Off: 15 m (49.2 ft)
Accuracy
a
Carrier Phase
Post-Processed
Static Horizontal: 5mm + 1ppm * D
Vertical: 10mm + 1ppm * D
Occupation: 4SVs, 30sec rate, >1h
Rapid-Static Horizontal: 5mm + 1ppm * D
Vertical: 10mm + 1ppm * D
Occupation: 5SVs, 15sec rate, >20min
Stop-&-Go Horizontal: 10mm + 1ppm * D, D
≤
10km
10mm + 2ppm * D, D > 10km
Vertical: 20mm + 1ppm * D
Kinematic - Horizontal: 10mm + 1ppm * D, D
≤
10km
10mm + 2ppm * D, D > 10km
Vertical: 20mm + 1ppm * D
Accuracy
b
Carrier Phase
RTK
1-sigma
RTK Rapid Logs Horizontal: 3cm + 2ppm
Vertical: 5cm + 2ppm
Logging Rate: 10 Hz maximum
RTK Matched Logs Horizontal: 1cm + 2ppm * D,
D
≤
10km
Vertical: 2cm + 2ppm * D, D
10km
Logging Rate: 4 Hz maximum
RTK
Pseudorange & carrier-phase double differencing.
Recommended conditions: <10 km baseline length;
≥
6 satellites at an elevation > 12
°
; after 2 minutes
convergence.
Time Accuracy (relative)
250 ns (SA on)
does not include delays due to cable on RF section
Height Limit
Up to 18,288 m (60,000 feet), in accordance with
export licensing
a. Accuracy depends on number of satellites visible, obstructions, satellite geometry
(DOP), occupation time, multipath effects, atmospheric conditions, baseline length,
survey procedures, and data quality. 95% confidence level. Baseline not exceeding
10Km (except for Static survey type).
b. With Base/Rover sharing at least 6 common satellites > 14
°
elevation, lock times >
3 min and GDOP < 4. Base station using integrated pinwheel technology antenna,
and Rover station using integrated pinwheel technology antenna. Typical multipath,
ionospheric, and tropospheric errors. Baseline not exceeding 10Km. For RTK rapid
logs, not greater than 1 sec. correction latency.
RADIAN IS SPECIFICATIONS
Summary of Contents for RADIAN IS
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