Domanda 335, Radio Navigation - ATPL - Airline Transport Pilot license

Receivers from various manufacturers are operated in parallel to reduce the characteristic receiver noise error
The difference between signals transmitted on the L1 and L2 frequencies are processed by the receiver to determine an error correction
Signals from satellites are received by 2 different antennas which are located a fixed distance apart. This enables a suitable receiver on the aircraft to recognise and correct for multipath errors
Monitor the orbital planes of the satellites