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Post by programmes1 on Oct 25, 2007 15:10:56 GMT
Can anyone help/tell me
1. When the carrier wave system was taken out and when connect will be commissioned.
2. The controls and diagrams in the control room are different from Earls Court's does anyone have a list, looking in the yellow perils only gives the basic answer.
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towerman
My status is now now widower
Posts: 2,882
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Post by towerman on Oct 25, 2007 18:10:06 GMT
Carrier wave went in the 80's,was replaced by a conventional radio system.Connect came in this year.
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Post by railtechnician on Oct 25, 2007 21:44:48 GMT
Carrier wave went in the 80's,was replaced by a conventional radio system.Connect came in this year. Yep carrier wave was replaced by a Texscan Radio System in the late 1980s. I installed the amplifiers and leaky feeder cables on the south end of the Northern line between Tooting Bec and Colliers Wood where the system was trialled before being installed on the Victoria Line. The Texscan train radio system was conventional but was different from the Storno systems in use on the other lines at the time. It used GP amplifiers which is the same technology as utilised for the Piccadilly line west end longline CCTV system between Earls Court and Heathrow which I installed in the 1980s. I also recovered a lot of the carrier wave trackside equipment, the last of which had been stockpiled for disposal at Northumberland Pk and we used space on a P-Way ballast train to remove it. However, at most sites we had to manhandle those double relay cases from track to street and they were heavy! Brian |
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