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Pastel RWR

overscan (PaulMM)

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The SPO-23 is the latest development RWR for the CKB Avtomatiki, Omsk design bureau. SPO-23 is applicable to MiG-21, -23, -29 and Su-22 aircraft, and to the Ka-50 and Ka-52 attack helicopters.
SPO-23 can be configured to cover 4 to 11 GHz or 4 to 18 GHz. The antenna system is matched to the application. Ultra-broadband cones are used for helicopter applications, while a Broadband Beam Length (BBL) array, comprising conformal radome units, each with four or five outputs, to provide adequate angular resolution to match targeting requirements for the Kh-25P and Kh-31P anti-radiation missiles. A threat library of 128 emitters is incorporated. Weight is 18 to 30 kg depending on configuration.

From Jane's Avionics 1999.
 

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