Topcon GMS-2 User Manual

GMS-2 Specifications
P/N 7010-0752
A-5
GPS Details
Table A-2 lists the GPS board’s general specifications.
Table A-2. GPS Board Specifications
Tracking Specifications
Tracked Signals GPS/GLONASS, L1 C/A Code & Carrier
WAAS/EGNOS/MSAS
Receiver Type G – GPS L1
GG – GPS/GLONASS L1
Standard Channels 50
Cold Start
Warm Start
Reacquisition
< 60 sec
< 10 sec
< 1 sec
Survey Accuracy
Static For L1 – H: 3mm + 0.8ppm (x baseline length);
V: 4mm + 1.0ppm (x baseline length)
PP Kinematic
For L1 – H: 10mm + 1.0ppm (x baseline length);
V: 15mm + 1.0ppm (x baseline length)
DGPS Post processing: typically 0.3m
DGPS/RTCM based: typically less than 0.5m
Other (GPS)
Real time data
format
RTCM 2.3, 3.0; CMR, CMR+; TPS
NMEA NMEA 2.2, 2.3, 3.0
Output rate Up to 1Hz
GMS-2_OM_Book.book Page 5 Friday, December 28, 2007 1:47 PM

Topcon GMS-2 Specifications

General

Brand	Topcon
Model	GMS-2
Category	GPS
Language	English