190-00266-01
GPS 15H & 15L Technical Specifications
Rev. D
Page 5
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1.5.4
GPS Performance
1.5.4.1
Receiver
WAAS Enabled™, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites (up to
11 with PPS active) to compute and update your position.
1.5.4.2
Acquisition Times
Reacquisition:
Less than 2 seconds
Warm:
Approx. 15 seconds (all data known)
Cold:
Approx. 45 seconds (initial position, time, and almanac known; ephemeris unknown)
AutoLocate®:
5 minutes (almanac known; initial position and time unknown)
SkySearch:
5 minutes (no data known)
1.5.4.3
Update Rate
1 second default; NMEA 0183 output interval configurable from 1 to 900 seconds in 1-second increments.
1.5.4.4
Accuracy
GPS Standard Positioning Service (SPS)
Position: < 15 meters, 95% typical
Velocity: 0.1 knot RMS steady state
DGPS (USCG/RTCM)
Position: 3-5 meters, 95% typical
Velocity: 0.1 knot RMS steady state
DGPS (WAAS)
Position: < 3 meters, 95% typical
Velocity: 0.1 knot RMS steady state
PPS Time: ±1 microsecond at rising edge of PPS pulse (subject to Selective Availability)
Dynamics: 999 knots velocity (only limited at altitude greater than 60,000 feet), 6g dynamics
