Piccolo was the original MFSK mode, developed for British government communications by Harold Robins, Donald Bailey and Denis Ralphs of the Diplomatic Wireless Service (DWS), a branch of the Foreign and Commonwealth Office.
The site and buildings were taken over in 1975 by the Foreign and Commonwealth Office's Communications Engineering Department (still better known by its previous name, the Diplomatic Wireless Service), who installed a 50-kW medium-wave broadcast transmitter.
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Previously an Arabic station, it was taken over by the Diplomatic Wireless Service as a result of the Suez Crisis.