Which of these options correctly describes the basic principles of operation of an MLS?

Question

Answer

Guidance is provided based on the pilots' selection of the transmitters providing the pilot 
 with the required localiser and glide path.

Answer

Guidance is given using the localiser and the glide path selected by the pilot, the guidance 
 is based on the received and measured difference in depth of modulation (DDM).

Answer

The time interval between the TO and FROM scans in Azimuth and elevation determines 
 the aircraft position within the coverage area.

Answer

The distance between the TO and FROM scans in azimuth and elevation determines the 
 aircraft position, within the coverage area.

Crowdly

Which of these options correctly describes the basic principles of operation of ...

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