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42 GPS 72H Owner’s Manual
Appendix
Specications
Physical
Size: W × H × D
1.2 ×2.7 × 6.2 in. (3.0 × 6.9 ×
15.75 cm)
Weight: 7.9 oz. (224 g)
Display: High-contrast FSTN, 4-level
gray scale display (120 × 160
pixels)
Case: Fully gasketed, oatable, high-
impact plastic alloy, waterproof
to IEC 529-IPX-7
Temp. Range: From 5°F to 140°F
(from -15°C to 60°C)
Performance
Battery Life: 18 hours in Battery
Saver mode
Receiver: Differential-ready 12
parallel channel receiver
Acquisition Times: Approximately 3
seconds (hot start)
Approximately 32 seconds
(warm start)
Approximately 39 seconds (cold
start)
Update Rate: 1/second, continuous
GPS Accuracy: *< 15 meters (49
feet) RMS 95% typical
DGPS (USCG) Accuracy: 3–5 meters
(10–16 ft), 95% typical
DGPS (WAAS) Accuracy: 3 meters
(10 ft.) 95% typical with DGPS
corrections
Velocity Accuracy: 0.1 knot RMS
steady state
Dynamics: 6 g
* Subject to accuracy degradation to
100m 2DRMS under the US DOD-
imposed Selective Availability Program.