Country of origin | the United Kingdom |
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Introduced | June 1942[1] |
Monica was a range-only tail warning radar for bombers, introduced by the RAF in June 1942.[2] Officially known as ARI 5664,[3] it operated at frequencies of around 300 MHz (on the boundary between VHF and UHF). The system was also used by the US Army Air Forces, under the name AN/APS-13, and the nickname Archie.