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1.4.5 WAAS Specific GPS Specifications (GIA 63W only)
Characteristics
Number of channels
Frequency
Sensitivity (acquisition)
Sensitivity (drop lock)
Lat/Long position accuracy
Velocity
TTFF (time to first fix)
Reacquisition
Position update interval
1 pps (pulse per second)
Datum
SATCOM compatibility
Antenna power supply at GPS
port
Page 1-4
Revision S
15 (12 GPS and 3 GPS/WAAS/SBAS)
1575.42 MHz L1, C/A code
-116 dBm to -134.5 dBm GPS
-116 dBm to -134.5 dBm WAAS
-144 dBm
<1.25 meter RMS horizontal, <2 meter vertical, with WAAS
1000 knots maximum (above 60,000 ft)
1:45 min. typical with current almanac, position, and time
10 seconds typical for signal outages of 30 seconds or less
0.2 sec (5 Hz)
±275 nsec of UTC second during steady-state navigation
WGS-84
Compatible on aircraft equipped with SATCOM (see Section
2.1.3.2 for SATCOM compatible antennas)
4.3 VDC to 4.8 VDC @ 60 mA
Specifications
GIA 63/GIA 63W Installation Manual
190-00303-05
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