The Royal Navy FM16, was an auto MF DF system based on the Lodestar IID design . It was introduced into service in 1960 and covered the range 250 to 550 kHz. Used an IF of 110 kHz IF.
|FM16 (Photo courtesy John Wise, HMS Collingwood Museum)|
Contributors and Credits:
1) John Wise <jaceywise(at)apple15.freeserve.co.uk>