Editing Absolute Radio (section)

=== AM transmission ===
The 1215&nbsp;kHz frequency (247 metres) was used, in selected areas only, by the BBC Light Programme until 1967. It was then used nationally as the original home of BBC Radio 1<ref>{{cite magazine |last1= Scott |first1= Robin|date= 8 June 1968|title= The British Radio Scene: A Special Report|magazine= Billboard|volume= 80 |issue= 23 |page=43|url=https://books.google.com/books?id=ygoEAAAAMBAJ&pg=PA43|issn=0006-2510}}</ref> until 22 November 1978, then from 23 November 1978 until 28 February 1992 by BBC Radio 3.<ref>{{cite web |url= http://www.bbceng.info/Technical%20Reviews/dev_am_tx_nw_6a.pdf |title= Development of the BBC A.M. Transmitter Network |last1= McCarthy |first1= Clive|date= 28 May 2007|access-date=30 May 2011}}</ref>

In 1992-1993, Virgin replaced the valve-based transmitters at the ex-BBC transmitter sites it acquired with solid-state transmitters.

Virgin Radio 1215 AM then broadcast from 30 April 1993 to 28 September 2008, and Absolute Radio 1215 AM broadcast from 29 September 2008 to 19 January 2023.

In a number of areas, particularly where the signals from the main 1215 transmitters overlapped with each other, the station used filler transmitters on different frequencies.<ref>{{cite web | title = Tech Parameters | publisher = Radio Authority  | location = London | url = http://stakeholders.ofcom.org.uk/broadcasting/guidance/tech-guidance/tech_parameters/ | year = 2003 | access-date =30 May 2011| archive-url= https://web.archive.org/web/20110525044303/http://stakeholders.ofcom.org.uk/broadcasting/guidance/tech-guidance/tech_parameters/| archive-date= 25 May 2011 | url-status= live}}</ref><ref>{{cite web | title = Frequency Finder UK and Ireland | url = http://frequencyfinder.org.uk/AM_153_1611.pdf | access-date = 30 May 2011 | archive-url = https://web.archive.org/web/20110816184011/http://frequencyfinder.org.uk/AM_153_1611.pdf | archive-date = 16 August 2011 | url-status = dead}}</ref>