FuMO 21 radar

The FuMO 21 (Funkmess-Ortung, "Radio-direction finder, active ranging") was designed in 1941 as a search radar for Nazi Germany's Kriegsmarine, suitable for ships between light cruiser and large torpedo boats in size. First designated FMG 39G(gL), it received its final designation when the Kriegsmarine revised its radar nomenclature system around 1943. It was derived from the earlier Seetakt search radar and had an antenna 2 m × 4 m (6 ft 7 in × 13 ft 1 in) in size.

FuMO 21
The rectangular antenna of the FuMO 21 of the ex-German torpedo boat T35
Country of originNazi Germany
Introduced1941
TypeSearch radar
Frequency368 MHz/81.5 cm
PRF500 per second
Pulsewidth5 μs
Rangeabout 10 nmi (19 km; 12 mi)
Precision±70 m (230 ft)
Power8 kW
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