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High-frequency direction finding

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. HF/DF was primarily used to…

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High-frequency direction finding

Nodes68
Edges67
Triples22
Avg. degree1.97
Density0.029412
Components1

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High-frequency direction finding

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related to Further reading · 22
High-frequency direction finding → Admiralty's Operational Intelligence Center, Atlantic, Battle, Beesly, CA, Direction Finding, Electronic Countermeasures, Harris, In Blyd, ISBN, Kathleen Broome, King, Los Altos, Naval Institute Press, Patrick, Peninsula Publishing, Secret Weapon, Spere, The, Very Special Intelligence

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signal radio df system could direction signals used antenna would systems hf two display huff-duff antennas bearing one oscilloscope time

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SubjectPredicateObjectConfidenceSrc
High-frequency direction findingrelated to Further readingBeesly0.60section
High-frequency direction findingrelated to Further readingPatrick0.60section
High-frequency direction findingrelated to Further readingVery Special Intelligence0.60section
High-frequency direction findingrelated to Further readingThe0.60section
High-frequency direction findingrelated to Further readingAdmiralty's Operational Intelligence Center0.60section
High-frequency direction findingrelated to Further readingWorld War II0.60section
High-frequency direction findingrelated to Further readingSpere0.60section
High-frequency direction findingrelated to Further readingISBN0.60section
High-frequency direction findingrelated to Further readingDirection Finding0.60section
High-frequency direction findingrelated to Further readingIn Blyd0.60section
High-frequency direction findingrelated to Further readingHarris0.60section
High-frequency direction findingrelated to Further readingKing0.60section

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