for Radio 1, and the mast was used for Radio 2. In the years since the re-engineering little has changed to the antenna and structure layout of the station, but the services have changed and the station now transmits Absolute Radio instead of Radio 3, Sunrise Radio instead of BBC Radio London, Talksport instead of Radio 1, and BBC Radio 5 Live instead of Radio 2. Much development has taken place and the station is now the home to many communications companies that operate various satellite and communication services. Channels listed by frequency Analogue radio (AM Medium Wave) As of 16:00 on 4 February 2014. Sunrise Radio stopped transmitting. Lyca Media then started transmitting at 23:00 on 1458 kHz. The station will be named at a later date. On 20 January 2023 Absolute Radio 1215kHz shut down along with all its other AM frequencies across the UK. Digital radio (DAB) See also List of masts List of towers List of radio stations in the United Kingdom External links The Transmission Gallery: photographs and information A History of Brookmans Park Transmitting Station The London Twin-Wave Broadcasting Station Brookmans Park http://www.skyscraperpage.com/diagrams/?b20122 References Transmitter sites in England Infrastructure in London Mass media in Hertfordshire