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Topcon GR-5 User Manual

Topcon GR-5
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P/N 7010-1004
A-7
Latency Delay mode – 20 msec to 20 sec (depends on latency
which receives corrections data from base receiver)
Extrapolation – 20 to 30 msec
Raw Data logging The receiver can record raw data at another interval
during RTK
operation
Status Fix, Float, DOP, Data Link Status, Modem Latency,
Common satellites, Percentage of fixing
Results RTK coordinates, HRMS, VRMS, Covariance Matrix
Ambiguity fixing
level
Selectable thresholds
Low: 95%; Medium: 99.5%; High: 99.9%
Survey Modes
Base or Rover Static
Kinematic (Stop and Go)
RTK (Real-time Kinematic)
DGPS (Differential GPS)
WASS/EGNOS DGPS
Survey Accuracy
Static, Fast Static For L1 – H: 3mm + 0.8ppm (x baseline length);
V: 4mm + 1ppm (x baseline length)
For L1+L2 – H: 3mm + 0.5ppm (x baseline length);
V: 5mm + 0.5ppm (x baseline length)
Kinematic, RTK
For L1 – H: 15mm + 1.5ppm (x baseline length)
;
V: 30mm + 1.5ppm (x baseline length)
For L1+ L2, L1 – H: 10mm + 1.0ppm (x baseline length)
;
V: 15mm + 1.0ppm (x baseline length)
DGPS with User Base – H: 0.4m RMS
V: 0.6m RMS
with SBAS – H: 1.0m RMS
V: 1.5m RMS
Table A-1. Receiver General Specifications (Continued)

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Topcon GR-5 Specifications

General IconGeneral
BrandTopcon
ModelGR-5
CategoryReceiver
LanguageEnglish

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