Licence granted under Section 7 of the Telecommunications Act 1984 : licence granted to Trunked Radio Networks Limited to run telecommunication systems for the provision of private mobile radio telecommunication services within that area bounded by the M25 motorway /
Great Britain.Department of Trade and Industry.
Trunked Radio Networks Limited.
London : Department of Trade and Industry,
1991.
3/778/2/49
Telecommunication