By Railway Gazette International1999-03-01T11:00:00
By this summer, a Sitrail ir track-to-train CCTV system developed by Siemens Industrial Projects & Systems should be in operation on all 106 new trains supplied to London Underground’s Northern line by Alstom. Platform-mounted digital video cameras transmit pictures via radiating tube transmitting antennae mounted along the length of each ...
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