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172 - ATPL - Almanac data stored in the receiver of the satellite navigation system NAVSTAR/GPS is used for the:

Question 172 - Radio Navigation - ATPL - Airline Transport Pilot license

Recognition whether Selective Availability (SA) is operative
Fast identification of received signals coming from visible satellites
Correction of receiver clock error
Assignment of received PRN-codes (Pseudo Random Noise) to the appropriate satellite

Training tests and timed exam simulations ATPL - Airline Transport Pilot license