Garmin GNS 530AW Installation Manual - page 17

500W Series Installation Manual  

Page 1-5 

190-00357-02  

Rev. D 

1.4.3 GPS 

Specifications 

Number Of Channels 

15 (12 GPS and 3 GPS/WAAS/SBAS) 

Frequency 

1575.42 MHz L1, C/A code 

-134.5 dBm GPS 

Sensitivity (Acquisition, No 

Interference) 

-135.5 dBm WAAS 

Sensitivity (Drop Lock) 

-144 dBm 

Dynamic Range 

> 20 dB 

Lat/Lon Position Accuracy 

<1.25 meter RMS horizontal, <2 meter vertical, with WAAS 

Velocity 

1000 knots maximum (above 60,000 ft) 

TTFF (Time To First Fix) 

1:45 min. typical with current almanac, position, and time 

Reacquisition 

10 seconds typical 

Position Update Interval 

0.2 sec (5 Hz) 

1 PPS (Pulse Per Second) 

±

275 Nsec of UTC second 

Datum 

WGS-84 

SATCOM Compatibility 

SATCOM compatibility is dependent upon antenna selection. 

See Section 1.4.8 for additional information. 

Antenna Power Supply 

35 mA typical, 40 mA max at 4.7 VDC