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Meanings and definitions for HFDF
What does HFDF stand for? What does HFDF mean?
- High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in World War II. High frequency (HF) refers to a radio band that can effectively communicate over long distances; for example, between U-boats and their land-based headquarters.
- High Frequency Direction Finding (station), to direct airplanes home-WWII
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