Lanner LVC-5770 - Manual (Page 42)

42
Accessing the GPS Data
Appendix D
Embedded and Industrial Computing
Appendix D:
Accessing the GPS Data
from the LVC-5770
The LVC-5770 employs an onbard u-blox NEO-6Q GPS
module for vehicle tracking and navigation system. You
could read the GPS data through the RS-232 serial port.
It has the following listed key features and performance
ratings:
Receiver type 50 Channels
GPS L1 frequency, C/A Code
SBAS: WAAS, EGNOS, MSAS
Time-To-First-Fix (All satel-
lites at -130 dBm)
Cold Start: 26 s
Warm Start: 26 s
Hot Start: 1 s
Aided Starts: 1 s
Sensitivity Tracking &Navigation: •
-162dBm
Reacquisition: -160dBm •
Cold Start (without aid- •
ing): -148 dBm
Hot Start: -157 dBm •
Maximum Navigation
update rate
5Hz
Horizontal position ac-
curach (CEP, 50%, 24 hours
static, -130dBm, SEP:
<3.5m)
GPS: 2.5m
SBAS: 2.0m
Configurable Timepulse
frequency range
0.25 Hz to 1 kHz
Accuracy for Timepulse
signal
RMS: 30 ns
99%: <60 ns
Granularity: 21 ns
Compensated: 15 ns
Velocity accuracy 0.1m/s
Heading accuracy 0.5 degrees
Operational Limits Dynamics: less than and
equal to 4g
Altitude: 50,000m
Velocity: 500m/s (Assuming
Airborne <4g platform)
To access the GPS data, follow the following steps:
Select Programs from the Start menu on your windows
and open the Hyper Terminal program.
Choose COM4 from the Connection using drop-down
menu: