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THE TRANSMISSION GALLERY
GIRVAN
Photos by TCPD | Page last updated: 2014-07-26 |
Girvan started life as a 405 line BBC 1, VHF channel 4 transmitter on 2 x 14.3m wooden poles from 19th December 1966. Link at foot of this page to original installation. 405 line BBC 1 closed on 4th October 1982. The current 38m square tower was built for UHF TV, which entered service with 3 channels on 7th May 1976. Channel 4 was added in March 1984. The UHF cylinder contains a north-west facing cardioid. BBC National FM radio entered service in January 1981. These photos show Girvan mast as it was in 1980 and some of the internal equipment. The Band I transmitter looks like 2 vertical dipoles for the channel 4 VP service at 20W ERP. Received Kirk o' Shotts on channel 3. The Band II FM transmitting antenna is 1 vertical dipole at 25 metres fed by 3 transmitters of 77 Watts. |
Commutating Line UHF Channel Combining Units and RBR Splitting Filters made by Racal Antennas |
BBC 1 Transposer |
BBC 2 Transposer and FM Equipment |
GIRVAN V.H.F. RELAY STATION: SUMMARY OF INSTALLATION
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