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THE TRANSMISSION GALLERY
BROOKMANS PARK
| Photos by | Page last updated: 2021-05-21 |
| Some key service dates: 21-Oct-1929 London Regional Programme, 842 kHz, 30 kW. 9-Mar-1930 National Programme, 1148 kHz, 45 kW. 15-Jan-1934 Frequencies changed. London Regional, 877 kHz, 50 kW. National Programme, 1149 kHz, 50 kW. 1-Sep-1939 London Regional programme replaced with the Home Service on 668 kHz, 50 kW. National Programme replaced with European Service on 1149 kHz. 2-Mar-1941 New 140 kW STC transmitter brought into service for European Service on 804 kHz. Autumn 1941 New 15 kW STC transmitter added on 200 kHz Long Wave for European Service. 29-Jul-1945 Home Service frequency changed to 877 kHz, Light Programme launched on 1149 kHz. 29-Sep-1946 Home Service (877 kHz) transferred to new 500 ft mast. Mast F. 29-Sep-1946 Third Programme launched on 1474 kHz, 20 kW. Closed 15-Mar-1950. 15-Mar-1950 Copenhagen 48 frequency changes implement. Home Service, 908 kHz; Light Programme, 1214 kHz. 29-Sep-1956 Home Service 500 ft mast collapses during re-tensioning work. (Mast F) 1-Jul-1957 Replacement, ex Ottringham mast, taken into service for the Home Service on 908 kHz. Oct-1962 New Marconi BD228A transmitter replaces the original 1929 vintage T2 transmitter for the Light Programme on 1214 kHz. 30-Sep-1967 1214 kHz re-assigned to Radio 1. 2-Sep-1972 Radio London added on 1457 kHz, 20 kW. 20-Dec-1974 Radio London power increased to 50 kW. 23-Nov-1978 GE75 frequency changes implemented. 3 new Marconi B6034, 50 kW units brought into service for Radio 1 on 1089 kHz. Radio 2, 909 kHz. Radio 3, 1215 kHz, Radio London frequency changed to 1458 kHz. 5-Nov-1979 STC transmitter replaced by 3 x Marconi B6034, 50 kW units for Radio 2 on 909 kHz. 1980 Marconi B6034 replaces BD228A transmitter for Radio 3 on 1215 kHz. 27-Aug-1990 909 kHz re-assigned to Radio 5 28-Feb-1992 Radio 3, 1215 kHz closed. 1992 GLR, 1458 kHz closed. 30-Apr-1993 INR 2 (Virgin Radio) launches on 1215 kHz. 1994 Sunrise Radio added on 1458 kHz. 30-Jun-1994 Radio 1, 1089 kHz closed. 14-Feb-1995 INR 3 (Talk Radio) launches on 1089 kHz. 30-Aug-2002 London 3 DAB. Closed June 2015. 23-Mar-2007 Digital One DAB 14-Dec-2009 Marconi B6034 transmitters replaced by Nautel NX100 for Radio Five Live on 909 kHz. 20-Jan-2023 INR 2 (Absolute Radio) 1215 kHz closed. |
Development of antenna and ATU systems at Brookmans Park
The service area boundaries of the London, Midland, North and West regional transmitters (BBC RD 1935)
The proposed erection of a Wincharger mast at Brookmans Park (BBC RD 1943)
Brookmans Park aerial system (BBC RD 1945)
Interim report on Brookmans Park 342m mast radiator (BBC RD 1947)
Provisional Instructions - The London Regional Broadcast Transmitter (1929)
General Construction and Layout of Transmitter
Blueprints of the London Regional Station
"Useful data" about the 1929 transmitter system
Brookmans Park - Pictures and Memories - Peter Gutteridge
The London Twin-Wave Broadcasting Station, A Descriptive BBC Souvenir 1930
A History of Brookmans Park Transmitting Station
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