British Broadcasting Corporation
Engineering Liaison
White City
201 Wood Lane
London W12 7TS
Transmitter service maps for most main transmitters can also be supplied, but requests for maps should be accompanied by a stamped addressed A4 sized envelope.
Similarly, information about all IBA broadcast services can be obtained from:Radio:
Radiocommunications Agency
Wyndham House
189 Marsh Wall
London E14 9SX
Television:
The Independent Television Commission
Kings Worthy Court
Kings Worthy
Winchester
Hants SO23 7QA