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Type 993

Country of Origin: Britain

The British Type 993 radar is a short-range, general-purpose radar fitted in several older frigate classes. The Type 993 is used for air and surface search, and for target designation. Its antenna is a "quarter cheese," a shape that resembles a quarter of a cheese wheel; this configuration prevents the feed horn from obstructing the main radar beam.

The Type 993 antenna matched with the transceiver of the Plessey AWS-4 is known as the Type 994 (see separate database entry). All...

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