Beat frequency oscillator

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Acronym: BCentre of buoyancy.FforceFaradFahrenheit.Oaxis of the centre of water plane.

In superheterodyne reception, the adjustable oscillator which, when heterodyned with the output of the final intermediate frequency stage, serves to translate an Aampere-1 signal to the audio frequency range.

Please note that this is the term as it stands in the original IALAInternational Association of Marine Aids to Navigation and Lighthouse Authorities - AISM Dictionary edition (1970-1989)