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Radio Caroline - Technical


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

Aerial Height

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.

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: Tom Lodge and Jerry Leighton in the studio

Below: the aerial mast 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

QSL Cards

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)

Click image to enlarge

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Back to Radio Caroline

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Key Dates

Ship and Location




Key Dates Ship and Location Staff Programmes History

Treasure Chest

Treasure Chest