Epoch 25 L1/L2 GPS System User Guide 31
Specifications 5
5.3 Technical specifications
Feature Specification
Tracking 24 channels GPS L1 C/A code, L1/L2 full-cycle carrier,
SBAS WAAS/EGNOS support
a
a
WAAS/EGNOS capable GPS receiver dependant on field software application.
Signal processing Highly accurate GPS L1/L2 technology
Unfiltered, unsmoothed pseudorange measurements data for low
noise, low multipath error, low time domain correlation and high
dynamic response
Very low noise L1 and L2 carrier phase measurements with 1 mm
precision in a 1 Hz bandwidth
Low elevation satellite tracking technology
24 channels L1 C/A Code, L1/L2 Full Cycle Carrier, WAAS/EGNOS
*
Start-up Cold start: < 60 seconds from power on
Warm start: < 30 seconds with recent ephemeris
Initialization Automatic while moving or static
Minimum
initialization time
10 sec + 0.5 × baseline length (km)
Communications Two RS-232 serial ports (Port 1, Port 2,)
Port 1: Baud Rates up to 115,200 bps
Port 2: Baud Rates up to 115,200 bps
Bluetooth Type approvals are country specific. Third party Bluetooth dongles are
not recommended and are not supported. For more information,
contact your Spectra Precision dealer.
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