ATPL: Which statement is correct about GLONASS/ NAVSTAR GPS / GALLILEO:
Domanda 218, Radio Navigation - ATPL - Airline Transport Pilot license
| They all reach their degree of accuracy in polar areas |
| All three system use time measurement to determine position |
| They are all using the same frequencies to permit a single receiver to work all three systems |
| Monitor the orbital planes of the satellites |
