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Topcon GR-3 User Manual

Topcon GR-3
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Receiver Specifications
P/N 7010-0736
A-5
Technology
Advanced Multipath mitigation
WA A S
Adjustable PLL and DLL parameters
NMEA
NMEA version Ver. 2.1, 2.2, 2.3, 3.0 output
Messages GGA, GLL, GNS, GRS, GSA, GST, GSV, HDT, RMC,
VTG, ZDA, ROT, GMP
Output interval 1Hz standard; 5, 10, 20Hz optional
DGPS
Correction format RTCM SC104 Ver 2.1, 2.2, 2.3, and 3.0
RTCM message
type
1, 3, 9, 31, 32, 34; user selectable
Process interval 1Hz standard; 5, 10, 20Hz optional
Output interval for
RTCM correction
data
1Hz standard; 5, 10, 20Hz optional
Elevation mask
0 to 90 degrees (independent of data logging
)
Multi-base DGPS Differential correction select mode: Nearest, Mix, Best
(optional)
RTK
Correction format CMR2/CMR+ (Trimble compatible), RTCM SC104 Ver
2.2, 2.3, or 3.0
RTCM message
type
3, 18, 19, 20, 21, 22; user selectable
Ambiguity initialize OTF (L1, L1/L2)
Baseline Length Up to 50km in the morning and evening.
Up to 32km at noon.
Table A-1. Receiver General Specifications (Continued)

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Topcon GR-3 Specifications

General IconGeneral
BrandTopcon
ModelGR-3
CategoryReceiver
LanguageEnglish

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