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P-30M Saturn / BIG BAR

With the introduction of BIG BAR and BIG MESH, the Soviets improved, to a limited extent, their radar ECCM capabilities. A modification of BIG BAR (designated BIG BAR B) eliminated the c-band frequency, indicating the possible ineffectiveness of its use for search or as an ECCM feature. BIG BAR B was a mobile V-beam with a limited height-finding capability, used as an early warning/GCI radar. BIG BAR radar information was usually supplemented by data supplied by collocated height finders such as ROCK CAKE and STONE CAKE. Within the BIG BAR family, the B variant was identified by its “clean” appearance. This was created by the absence of both Witch Four IFF and End Box side-lobe suppressors and the lack of large full horns associated with the A and C variants.

BIG BAR showed a reversal in a trend, as BIG BAR had a V-beam configuration, as opposed to the STRIKE OUT and BAR LOCK early warning radars, which had two large horizontal reflectors. The most commonly deployed radar of this family is the BAR LOCK radar. This radar was improved to provide higher transmitting power, stability and service-ability. The lack of a moving target indicator (MTI) to aid in tracking targets in chaff and rain was the principal weakness of BAR LOCK and earlier GCI radars.


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Page last modified: 24-07-2019 19:13:52 ZULU