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Appendix
Physical
Case: Fully-gasketed, high-impact plastic alloy, waterproof to IPX7 standards
(waterproof to one meter for 30 minutes)
Size: 4.5” H x 2.3” W x 1.6” D; 7” H with antenna
(11.4 x 5.8 x 4.1; 17.8 cm)
Weight: Approx. 7.6 ounces (236 g) with batteries
Temperature Range: -4° to 158° F (-20° to 70° C) (operating range)
Display: 1.4” H x 1.4” W (3.6 cm x 3.6 cm)
60 x 160 pixels, high-contrast LCD
Performance
GPS Receiver: WAAS Enabled, Differential-ready, 12 parallel channel
Acquisition time: Approx. 15 seconds (warm start)
Approx. 45 seconds (EZinit/cold start)
Approx. 5 minutes (First Time/AutoLocate®)
Update Rate: 1/second, continuous
GPS Accuracy: <15 meters (49 ft) RMS, 95% typical
1
DGPS (USGC) Accuracy: 3-5 meters (10-16 ft), 95% typical with DGPS corrections
2
DGPS (WAAS) Accuracy: <3 meters (10 ft), 95% typical with DGPS corrections
2
Velocity Accuracy: 0.05 meter/sec steady state
Dynamics: Performs to specifications to 6 g’s
Interfaces: NMEA 0183, RTCM 104 (for DGPS corrections) and
RS-232 for PC interface
Antenna: Quad-helix
Specifications