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Radio Caroline - Technical


2 x 10Kw Continental Electronics 316B transmitters, coupled together in a combining unit


155’ (47m)  from deck level. The top 120’ (36.6m) was tubular welded-section steel mounted on 35’ (10.6m) of the original ship’s mast.

The station’s claimed height of 165’ (50.2m) was measured to the bottom of the keel.

The aerial was a wire cage series feed.

Back to Radio Caroline

Original studio on board MV Caroline

Top: Radio Engineer, Alan Turner playing the records in the Sound Control Room on board MV Caroline

Above: Simon Dee in the studio with the radio engineer who actually played the records from the Sound Control Room

Left: the aerial mast on board MV Caroline

Bottom: the two Continental Electronics transmitters on board MV Caroline


1 x Gates Studioette mixer unit

2 x Gates 16” turntables

3 x Ampex tape recorders and amplifiers

2 x Spotmaster cartridge machines

1 x AKG D12 microphone

Radio Caroline’s early QSL cards

Click to enlarge

QSL Card

Radio station engineering departments issue QSL cards to verify reception reports received from listeners

Thanks to Ian Anderson for providing information from his research into offshore radio aerial masts (originally published in Offshore Echos Magazine December 2007 and April 2008)