Page 1-4 GIA 63 Installation ManualRevision T 190-00303-051.4.4 GPS Specifications (GIA 63 only)Characteristics SpecificationsAcquisition Time a) Search-the-Sky (without almanac, without initial positionor time): 5 minutesb) AutoLocate™ (with almanac, without initial position ortime): 5 minutesc) Cold Start (position known to 300 nm, time known to 10minutes, with valid almanac): 45 secondsd) Warm Start (position known to 10 nm, time known to 10minutes, with valid almanac and ephemeris): 15 secondsMax Velocity 1000 knotsDynamics 6 gAntenna power supply 20 mA typical, 40 mA max at 4.6 VDC1.4.5 WAAS Specific GPS Specifications (GIA 63W& GIA 63H)Characteristics SpecificationsNumber of channels 15 (12 GPS and 3 GPS/WAAS/SBAS)Frequency 1575.42 MHz L1, C/A codeSensitivity (acquisition) -116 dBm to -134.5 dBm GPS-116 dBm to -134.5 dBm WAASSensitivity (drop lock) -144 dBmLat/Long position accuracy <1.25 meter RMS horizontal, <2 meter vertical, with WAASVelocity 1000 knots maximum (above 60,000 ft)TTFF (time to first fix) 1:45 min. typical with current almanac, position, and timeReacquisition 10 seconds typical for signal outages of 30 seconds or lessPosition update interval 0.2 sec (5 Hz)1 pps (pulse per second) ±275 nsec of UTC second during steady-state navigationDatum WGS-84SATCOM compatibility Compatible on aircraft equipped with SATCOM (see Section2.1.3.2 for SATCOM compatible antennas)Antenna power supply at GPSport 4.3 VDC to 4.8 VDC @ 60 mADRAFT Rev T 11/12/2010