Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radio direction finding system
|
| gptkbp:abbreviation |
HF/DF
|
| gptkbp:contributedTo |
gptkb:Battle_of_the_Atlantic
|
| gptkbp:fullName |
High-Frequency Direction Finding
|
| https://www.w3.org/2000/01/rdf-schema#label |
Huff-Duff
|
| gptkbp:inventedBy |
1930s
|
| gptkbp:notableFor |
helping locate German U-boats
|
| gptkbp:operatingSystem |
high frequency
|
| gptkbp:purpose |
locate enemy radio transmissions
|
| gptkbp:relatedTo |
signals intelligence
radio triangulation |
| gptkbp:technology |
gptkb:International_Standard
|
| gptkbp:usedBy |
gptkb:Royal_Navy
Allied navies |
| gptkbp:usedDuring |
gptkb:World_War_II
|
| gptkbp:usedOn |
warships
shore stations |
| gptkbp:bfsParent |
gptkb:German_U-boats
|
| gptkbp:bfsLayer |
7
|