An automatic direction finder is a _____?

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Multiple Choice

An automatic direction finder is a _____?

Explanation:
An automatic direction finder is a radio receiver equipped with a directional antenna that determines the direction to a radio beacon. It tunes to the beacon’s frequency (often an NDB) and uses a loop-type antenna to sense where the signal is coming from, giving a bearing to the station. This is different from GPS (satellite-based position), a transponder (radar response system), or an inertial navigation unit (internal sensors with no external signal).

An automatic direction finder is a radio receiver equipped with a directional antenna that determines the direction to a radio beacon. It tunes to the beacon’s frequency (often an NDB) and uses a loop-type antenna to sense where the signal is coming from, giving a bearing to the station. This is different from GPS (satellite-based position), a transponder (radar response system), or an inertial navigation unit (internal sensors with no external signal).

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