LastScan rni radio

Listening to RNI at Walton on sea beech cliff top 1970.
See the small transister radio in the bottom left corner complet with RNI sticker on the front grill.

Radio Northsea International (RNI) broadcasting from the Mebo 2 anchored six and a half miles off the coast of Clacton in Essex. On the 15th April 1970 the British Labour Party ordered the General post office GPO to set up a transmitter to jam the transmissions from Radio Northsea The transmitter used for this operation was a Continental Electronics 317C (See pictured below the original service manual)

This transmitter was taken in a clock and dagger operation from a BBC transmitter site and moved to Rochester in kent, at a cost of two hundred and fifty pound per day to tax payers, the jamming began. The station then played a cat and mouse game, changing frequencies to move away from the constant tone evolving from Rochester, at one stage Radio Northsea was only 2 metres wave length, away from BBC Radio One frequency. When RNI changed to 244 metres jamming eventually ceased.
But not before it interfered with the output of BBC Radio One on 247 metres.

Click on picture to enlarge.

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