Sites in category Undisclosed, unidentified, or conjectural
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| Swingate Transmitting Station | 
             Swingate Transmitting Station Three lattice towers with a height of 111 metres, which were built for Chain Home radar before World War II. The FM transmitting...  | 
              
| ROC Worth Matravers | 
             An example of one of 1563 Royal Observer Corps (ROC) underground monitoring posts built throughout Great Britain & Northern Ireland during the cold war. Although...  | 
              
| QinetiQ Defford SIGINT enclave | 
             This was a formerly very sensitive site removed from maps right up to 2005. Until this date it was run by QinetiQ, but this site now only contains a radio satellite...  | 
              
| Oxford Science Park | 
             The Oxford Science Park is a joint venture between Magdalen College, Oxford and Prudential. It is proposed as a centre for innovation and excellence in science...  | 
              
| Malvern Hills Science Park | 
             Malvern Hills Science Park  | 
              
| L3 Communications TRL Technology | 
             L3 Communications TRL Technology L-3 TRL Technology develops technology in Intelligence, Surveillance and Reconnaissance (ISR), Force Protection and...  | 
              
| Hanslope Park | 
             Home to Her Majesty's Government Communications Centre (HMGCC), Foreign & Commonwealth Office (FCO), TSD (Technical Security Department), and providing lots of...  | 
              
| Bristol Business Park | Bristol business Park is a small suburban industrial site very close to the University of the West of England Campus, Bristol. A good illustration of the relationship... |