| 词条 | FuMO 21 radar |
| 释义 |
|name = FuMO 21 |image = File:Ex T 35 DD 935-vorderer Mast.jpg |caption = The rectangular antenna of the FuMO 21 of the ex-{{ship|German torpedo boat|T35}} |country = Nazi Germany |introdate = 1941 |number = |type = Search radar |frequency =368 MHz/81.5 cm |PRF = 500 per second |beamwidth = |pulsewidth= 5 μs |RPM = |range = about {{cvt|10|nmi|lk=in}} |altitude = |diameter = |azimuth = |elevation = |precision = ±{{cvt|70|m|ft}} |power = 8 kW |other names= }} The FuMO 21 ({{lang|de|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{{refn|{{lang|de|Funkmess-Gerät}} (Radio-direction finding device)|group=Note}} 39G(gL),[1] it received its final designation when the Kriegsmarine revised its radar nomenclature system around 1943.[2] It was derived from the earlier Seetakt search radar and had an antenna {{cvt|2|×|4|m}} in size.[1] Notes1. ^1 Friedman, p. 205 2. ^Sieche, p. 5 Citations{{Reflist|30em}}Bibliography
2 : World War II German radars|Naval radars |
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