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Home > Exam Questions > ATPL - Airline Transport Pilot license > Radio Navigation > How does a NAVSTAR/GPS satellite navigation system receiver recognise which of the received signals belongs to which satellite?

238 - ATPL - How does a NAVSTAR/GPS satellite navigation system receiver recognise which of the received signals belongs to which satellite?

Question 238 - Radio Navigation - ATPL - Airline Transport Pilot license

Each satellite transmits its signal, on common frequencies, with an individual Pseudo Random Noise code

Each satellite transmits its signal on a separate frequency

The receiver detects the direction from which the signals are received and compares this information with the calculated positions of the satellites

The Doppler shift is unique to each satellite

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