Freya radar
E38422
Freya radar was an early German ground-based radar system used extensively for air defense during World War II.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
German military equipment
→
early warning radar → ground-based radar system → |
| antennaConfiguration |
stacked dipole arrays
→
|
| antennaType |
phased array-like curtain antenna
→
|
| azimuthCoverage |
360 degrees with rotation
→
|
| conflict |
World War II
→
|
| countryOfOrigin |
Nazi Germany
→
|
| deployment |
German-occupied territories
→
Western Europe → coastal sites → inland air defense belts → |
| detectionCapability |
medium- to high-altitude aircraft
→
|
| developedBy |
GEMA
→
|
| developerFullName |
Gesellschaft für Elektroakustische und Mechanische Apparate
→
|
| era |
World War II technology
→
|
| frequencyBand |
VHF
→
|
| integratedWith |
Würzburg radar
→
|
| introduced |
late 1930s
→
|
| maximumRange |
about 120 km
→
about 75 miles → |
| mobility |
semi-mobile
→
|
| namedAfter |
Freya
→
|
| nameOrigin |
Norse goddess Freyja
→
|
| notableFeature |
one of the first operational early warning radars in the world
→
provided long-range coverage compared to contemporary systems → |
| operatingFrequency |
about 125 MHz
→
|
| operationalDomain |
ground-based
→
|
| operator |
German Air Force (Luftwaffe)
→
German Navy (Kriegsmarine) → |
| peakPowerOutput |
about 15–20 kW
→
|
| powerSource |
valve-based transmitter
→
|
| primaryRole |
air defense early warning
→
aircraft detection → |
| rangeAgainstAircraft |
approximately 100–120 km
→
|
| rangeResolution |
about 1–2 km
→
|
| serviceEntry |
1938
→
|
| successor |
Jagdschloss radar
→
|
| usedBy |
German air defense forces
→
Luftwaffe → |
| usedFor |
cueing of Würzburg gun-laying radars
→
early warning of RAF bomber raids → fighter direction support → |
| variant |
Freya-AN
→
Freya-EGON → Freya-Fahrstuhl → Freya-LZ → |
| wavelength |
1.2 m
→
|
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Defense of the Reich
→
|
usedSystem |
|
Würzburg radar
→
|
usedWith |
|
Kammhuber Line
→
|
uses |