GMDSS: Element 3

1. A A definite amount of time is required to send and receive a radio signal.
2. B The difference between the peak values of two DC voltages may be used to determine an aircraft's altitude above a selected VOR station.
3. C A phase difference between two AC voltages may be used to determine an aircraft's azimuth position in relation to a selected VOR station.
4. D A phase difference between two AC voltages may be used to determine an aircraft's distance from a selected VOR station.

Tip: press A-D to answer