Aircheck UK: Details the histories of UK radio stations - past and present.
DBM Radio Directory: Covers all aspects of analogue commercial radio in the UK.
DX Radio: A listing of frequencies and RDS idents for commercial and BBC radio stations in the whole of the country.
mb21 - The Transmitter Gallery: Featuring photos of plenty of radio and TV transmitter masts in the UK.
Media UK Internet Directory - Radio: Includes a comprehensive list of broadcasting radio stations, plus news, articles and information.
North West Radio: A directory specialising in radio stations in the North West of England, covering major cities such as Manchester and Liverpool.
radio-now.co.uk: Directory listing national, regional and local online stations. Also contains industry news and online listening links.
RadioFeeds UK & Ireland: Directory of radio stations broadcasting on the internet with direct links to the live feeds. Includes latest news and updates, plus listing by streaming format.
The Anoraks Guide To Radio In North Yorkshire: Includes recordings, jingles, image galleries, band scans and station lists.