Vayudoot Aviation

1. The Doppler Navigation System is based on

Phase comparison from ground station transmissions.

Radio waves refraction in the ionosphere.

Doppler VOR(DVOR) Navigation System.

Based on Radar principle using this F2 (frequency shift)

2. Due to 'Doppler' effect an apparent decrease in the transmitted frequency, which is proportional to the transmitter's velocity, will occur when

Both transmitter and receiver move away from each other.

The transmitter moves toward the receiver.

The transmitter and receiver move towards each other.

The transmitter moves away from the receiver.

3. An apparent increase in the transmitted frequency which is proportional to the transmitter velocity will occur when

The transmitter moves towards the receiver

The transmitter moves away from the receiver

Both transmitter and receiver move towards each other

The receiver moves towards the transmitter

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Questions for DOPPLER