Topcon MR-2 - Page 68

General Details
59
P/N: 1011907-01
Specifications
Output Interval
for RTC
Correction Data
1 Hz standard; 5, 10, 20, 50, 100 Hz 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
RTCM SC104 Ver. 2.2, 2.3, 3.1, MSM
RTCM Message
Type
3, 18, 19, 20, 21, 22, +RTCM 3; user selectable
Ambiguity
Initialize
OTF
Baseline
Strength
Up to 50 km in the morning and evening
Up to 32 km at noon
Accuracy (rms)
a
Standalone
Horizontal: 1.2 m
Vertical: 1.8 m
RTCM based
DGPS
Horizontal: 0.3 m
Vertical: 0.5 m
SBAS
Horizontal: 0.8 m
Vertical: 1.2 m
OmniSTAR
VBS/XP/HP
Horizontal: 0.7/0.15/0.1 m
PPP
(TerraStar-D)
Horizontal: 0.05 m
Vertical: 0.1 m
Static/Fast Static
Horizontal: 3 mm + 0.5ppm (x baseline length)
Vertical: 5 mm + 0.8ppm (x baseline length)
RTK Static
Horizontal: 3 mm + 0.5ppm (x baseline length)
Vertical: 5 mm + 0.8ppm (x baseline length)
RTK Kinematic/
Stop&Go/
Network
Horizontal: 5 mm + 0.5ppm (x baseline length)
Vertical: 10 mm + 0.8ppm (x baseline length)
Heading
0.3°/D, where D is the inter-antenna distance in meters.
Inclination
0.5°/D, where D is the inter-antenna distance in meters.
Velocity
0.02 m/sec
Time
30 nsec
Time to First Fix
(50%)
Hot (almanac, recent ephemeris, and approx. position) <10 sec
Warm (almanac, approx. position & time, and no recent ephemeris) <35 sec
Cold (no almanac or ephemeris, and no approx. position or time) <60 sec
Reacquisition
<1 sec
Table 6. General MR-2 Specifications