Glossary

- Direction finding (DF) : Direction finding (DF) is identified as a primitive instrument on the ground that responds to the radio transmission of an aircraft and indicates its bearing, which can be relayed by radio back to the pilot.

Most light planes today have Automatic direction finding (ADF) instruments with a needle which continuously points to a selected radio beacon or commercial broadcast station
Other Database Pages Exist for this Phrase:
DF (DF is the acronym of direction finding.)
Beacon (Beacon is described as a signal or guiding device. ..)

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Alternative Spellings (Synonyms): findings