At the time of the Munich crisis in October 1938, Britain had eleven radar sites, which were mostly located on the eastern coast.
The concern over the rise of Nazi Germany prompted a wider development of the radar system.
[7] The escarpment is an outcrop of Whin Sill which has a gentle slope towards the sea, giving the radar station an "..uninterrupted sweep of the coast from a relatively elevated position.
The standby set house was used to provide emergency power to the TxRx block in case of electricity supply issues.
[12] Both buildings are 3 metres (9.8 ft) high and the site is listed as grade II with Historic England.