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Receiver: Differential-ready 12
parallel channel receiver tracks and uses up to twelve satellites
to compute and update a position.
Acquisition Times:
- 15 seconds warm (all data known)
- 45 seconds cold (initial position, time and almanac known,
ephemeris unknown)
- 5 minutes AutoLocate® (almanac known, initial position and
time unknown)
- 5 minutes search the sky (no data known)
Update Rate: 1 second, continuous
(programmable from 1 second to 15 minutes)
Accuracy:
- Differential GPS (DGPS): 5
meters RMS
- Non-differential GPS: 15 meters
RMS (100 meters with Selective Availability at maximum)
Velocity accuracy: 0.1 m/s RMS
steady state (subject to Selective Availability)
Dynamics: 999 knots; 6g's
Interfaces:
- Dual-channel RS-232 compatible with user-selectable baud
rate (1200, 2400, 4800, 9600)
- NMEA 0183 version 2.0 ASCII output (GPALM, GPGGA, GPGSA,
GPGSV, GPRMC, GPVTG, PGRME, PGRMT, PGRMV, PGRMF, LCGLL, LCVTG)
Inputs:
- Initial position, date, and time (not required)
- Earth datum and differential mode configuration command, almanac
- PWR_DN power down power management under logic level control
- Real-time differential correction input (RTCM SC-104 format)
Outputs:
- Position, velocity, and time
- Receiver and satellite status
- Differential reference station ID and RTCM data age
- Geometry and error estimates
- Raw measurement output for both pseudorange and phase data
- PPS (pulse per second) output
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