Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Antenna
|
| gptkbp:alsoKnownAs |
LPDA
|
| gptkbp:application |
Shortwave listening
Antenna testing Spectrum monitoring |
| gptkbp:category |
Broadband antenna
Radio frequency antenna |
| gptkbp:characterizedBy |
Directional radiation pattern
Elements of different lengths Logarithmic spacing of elements |
| https://www.w3.org/2000/01/rdf-schema#label |
Log-periodic dipole array
|
| gptkbp:impedance |
Approximately constant over frequency range
|
| gptkbp:inventedBy |
gptkb:Dwight_E._Isbell
gptkb:Raymond_DuHamel |
| gptkbp:operates |
Wide frequency range
|
| gptkbp:patent |
1957
|
| gptkbp:polarization |
Linear
|
| gptkbp:relatedTo |
gptkb:Yagi-Uda_antenna
|
| gptkbp:usedFor |
Radio communications
Television reception Electromagnetic field measurements |
| gptkbp:bfsParent |
gptkb:Log-periodic_antenna
|
| gptkbp:bfsLayer |
6
|