B) EXTERNAL INTELLIGENCE
FOREIGN & COMMONWEALTH OFFICE (FCO)
King Charles Street, London SW1A 2AH. 020-7270 3000
HMGCC (Her Majesty's Government Communication Centre)
Diplomatic Wireless System - DWS and Diplomatic Telecommunications Maintenance
Service - DTMS (GCHQ/SIS network)
Hanslope Park, 1 mile
SE of Hanslope in Buckinghamshire MK19 7BH. 01908 510444 (purchased in 1938,
and run by SIS, massively rebuilt in 1990's, with SATCOM replacing transmitter
Circus, Hudswell, Wiltshire - opening of new facilities underground available
in the Hudswell Quarry complex linked to the NSG-Nuclear Emergency Bunker).
Joint FCO/DWS-SIS Complex. Part of the old 'RAF Rudloe Manor' complex at
The DTMS provides bugging and de-bugging services and the experts to 'sweep'
sensitive Government facilities (Microwave Network Links at FIVE WAYS-Hawthorn
and onto WOTTON UNDER EDGE -SPARSHOLT FIRS - STOKENCHURCH-HARROP WEALD- BT
and below], near Ludlow. BBC/VOA transmitter facility
run by Merlin (FO DWS/SIS)
near Dorchester. BBC transmitter facility run by Merlin (FO DWS/SIS)
near Goole. BBC Transmitter facility run by Merlin(FO DWS)
Suffolk. BBC transmitter facility. USAF/NSA (replaced Crowborough in 1980's
/BBC site used for SOE Agent transmissions in WW2, and covert communications
in Cold War)
Caversham Park [below], near Reading. BBC
Monitoring Service. This is a joint facility set up in 1948 with the FBIS,
Foreign Broadcast Information Service of the CIA. A CIA/NSA liaison team
is attached to the BBC MS which concentrates on Europe, Middle East and Africa,
while the FBIS concentrates on Russia, Central Asia, Far East (taken over
from BBC MS in 1976-77), and Latin America.
Crowsley Park [below], near Henley upon Thames.
Monitoring & Receiving Station for the BBC MS at Caversham.