User's Manual

Trimble R7/R8 GPS Receiver User Guide 77
Specifications 8
Trimble R7 GPS Receiver Operation
8.2 Positioning Specifications
Table 8.2 lists positioning specifications for the Trimble R7.
8.3 Technical Specifications
Table 8.3 lists technical specifications for the Trimble R7.
Table 8.2 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
.25 m + 1 ppm RMS .50 m + 1 ppm 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 8.3 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