Freya radar

E38422

Freya radar was an early German ground-based radar system used extensively for air defense during World War II.

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All labels observed (3)

Label Occurrences
Freya radar canonical 8
Freya early-warning radar 2
Freya radar family 1

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 Freyja
surface form: Freya
nameOrigin Freyja
surface form: 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
surface form: German Air Force (Luftwaffe)

Kriegsmarine
surface form: 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-EGON
surface form: Freya-AN

Freya-EGON
Freya-Fahrstuhl
Freya-LZ
wavelength 1.2 m

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

Defense of the Reich usedSystem Freya radar
Kammhuber Line uses Freya radar
Würzburg radar usedWith Freya radar
Himmelbett zone hasPart Freya radar
Freya-LZ basedOn Freya radar
Freya-LZ isVariantOf Freya radar
this entity surface form: Freya early-warning radar
Freya-Fahrstuhl partOfFamily Freya radar
this entity surface form: Freya radar family
Freya-Fahrstuhl basedOn Freya radar
this entity surface form: Freya early-warning radar
Freya-Fahrstuhl relatedTo Freya radar
Freya-EGON basedOn Freya radar
Freya-EGON isVariantOf Freya radar