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2.
O
VERVIEW
2.1. F
EATURES
The CHC LT500 Series offers 3 different options to meet requirements of
various applications with adoption of Windows Mobile® WEHH operating
system. Featuring with outstanding specifications and cutting-edge
technologies integrating with gyro, laser alignment and accelerometer, the
LT500 series makes your work more efficient. And the LT500 Series is
optimized to run with Carlson SurvCE® 4 field survey software and/or
DigiTerra Explorer 7 GIS data collection software.
2.2. S
PECIFICATIONS
GNSS characteristics & Performance specifications
LT500H
LT500T
LT500N
Usage
Dual Frequency RTK L1 RTK & DGPS
DGPS & SBAS
GNSS Tracking Channels 120
220
12
Update Rate
1, 2 & 5 Hz
1 & 2 Hz
1 Hz
GPS Signals
L1, L2
L1
L1
GLONASS Signals
L1, L2
L1
–
Galileo Signals
E1
E1
–
BeiDou Signals
B1
B1
–
SBAS Signals
WAAS, QZSS
WAAS, QZSS
SBAS
Autonomous
150 cm
150 cm
250 cm
SBAS
50 cm
50 cm, with WAAS
corrections 30 cm
60 cm
DGPS
40 cm
25 cm
28 cm
RTK
1 cm + 1 ppm
2 cm + 1 ppm (optional)
N/A
RTK Baseline Distance
Up to 40 km
< 5 km
N/A
RTCM
2.1, 2.3, 3.0, 3.1
2.1, 2.2, 2.3, 3.0, 3.1
2.x
CMR
CMR, CMR+
CMR, CMR+, CMRx
–
Other
RTCA
GSOF
–
NMEA
Yes
Yes
Yes
Cold Start
< 50 s
< 45 s
< 60 s
Warm Start
< 35 s
< 30 s
< 45 s
Reacquisition
< 1 s
< 2 s
< 1 s
Initialization Time
< 10 s
< 60 s
N/A
Initialization Reliability
> 99.9 %
> 99.9 %
N/A
Electronic Level
Yes
Yes
No
Centering Laser
Yes
Yes
No
Compass
Yes
Yes
No
