User's Manual

Trimble R7/R8 GPS Receiver User Guide 147
Specifications 17
Trimble R8 GPS Receiver Operation
17.2Positioning Specifications
Table 17.2 lists positioning specifications for the Trimble R8 receiver.
17.3Technical Specifications
Table 17.3 lists technical specifications for the Trimble R8 receiver.
Table 17.2 Positioning specifications
Positioning Mode Horizontal accuracy
(RMS)
Vertical accuracy
(RMS)
RTK (OTF) Synchronized 1 cm + 1 ppm
(× baseline length)
2cm + 1ppm
(× baseline length)
Low Latency 2 cm + 2 ppm
(× baseline length)
a
a
Depends on radio link latency.
3cm + 2ppm
(× baseline length)
a
L1 C/A Code
Phase
Synchronized/
Low Latency
.25m + 1ppm RMS .50m + 1ppm RMS
Static/
FastStatic
N/A 5 mm + 0.5 ppm
(× baseline length)
5 mm + 1 ppm
(× baseline length)
WAAS N/A Less than 5 m
b
b
3D RMS values depend on WAAS system performance.
Less than 5 m
b
Table 17.3 Technical specifications
Feature Specification
Tracking 24 Channels L1 C/A Code, L2C, L1/L2 Full Cycle Carrier,
WAAS/EGNOS support
Fully operational during P-code encryption
WAAS satellite tracking
Signal processing Maxwell™ V architecture
Very low-noise C/A code processing
Multipath suppression
Start-up Cold start: < 60 seconds from power on
Warm start: < 30 seconds with recent ephemeris