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Global
Positioning Systems (GPS) Operating
System: CMT ROSII®
System
Memory: 512K RAM
RAM
Disk: 2 Megabyte
Environmental: Waterproof,
dustproof, shock-resistant
Operating
Temp: -20°C to 54°C
Display: 8
lines x 21characters (64x128 pixel graphics)
Communications: Two
9-pin RS-232 serial ports (PC-AT Pin-out). Baud rate configurable from
300 to 38400
Keyboard: 14-key
tactile keyboard with 5 dedicated function keys
Size: 7.9"
x 3.9" x 3.0"
Weight: 33
ounces with batteries
Estimated
Battery Life: GPS on: 4+ hours GPS off: 2 weeks ( Most
MARCH users use a spare battery to get a full 8-10 hours of use)
GPS Receiver and Antenna Specifications: Antenna: Integrated
Patch Antenna, External Antenna Support (External Antenna Optional)
Capabilities:
Tracking: 8-channel continuous tracking of C/A Code and Carrier
Phase
C/A
Code Differential: 1-5 m
Carrier
Phase Differential: 2.5 cm + 2 ppm
Position
Update Rate: Once per second
Acquisition
Rate: Warm start: 18 seconds with current ephemeris,
Cold start: <5 minutes
System Accuracy Specifications: Real-Time
Differential (DGPS): DGPS (2DRMS) 1-5 m, DGPS (typical) 1-5 m
L1
Carrier Phase Post-Processing: Static (RMS) 2.5 cm + 2ppm, Static
(typical) 2 cm + 2ppm
L1
C/A Code Post-Processing: Static (2DRMS) 1-5 m, Static (typical)
1.5 m - 2.5 m
Time
to first fix: 45 sec. typical, 18 sec. with current ephemeris
Tracking
sensitivity: -139 dBm
Acquisition
sensitivity: -105 dBm to -137 dBm
Reacquisition:
<2.5 sec., with <15 sec. interruption
Velocity
(RMS): 0.05 m/sec.
Maximum
velocity: 460 m/sec.
Maximum
altitude: 18,000 m
Maximum acceleration: 4G
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Copyright ©
2001 Geo Scientific Inc., All Rights Reserved |
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