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263 - ATPL - The influence of the ionosphere on the accuracy of the satellite navigation system NAVSTAR/GPS is:

Question 263 - Radio Navigation - ATPL - Airline Transport Pilot license

Minimised by computing the average of all signals
Only significant if the satellites are located at a small elevation angle above the horizon
Minimised by the receiver using a model of the atmosphere and comparing signals transmitted by the satellites
Negligible

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