Light-Programme wavelengths

THE MAIN TRANSMISSION COMES FROM A HIGH-POWER TRANSMITTER AT DROITWICH ON 1500 METRES (200 kc/s) AND IS AUDIBLE THROUGHOUT THE BRITISH ISLES.

In addition, there is an auxiliary service on 247 metres (1214 kc/s) having a restricted range, and serving:

Moray Firth area of Scotland
Aberdeen
Edinburgh and Glasgow
Parts of Northern Ireland
Tyneside
S. Lancashire and S.W. Yorkshire
London
Plymouth
Redruth, Cornwall

1951 // THIS IS TRANSDIFFUSION