Tunnel Radio on the Road:
- December 2010
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05-10 Northwest Mining Association Convention
Spokane, WA
Phase I of Canadian Pacific Railway project complete
Thursday August 28, 2008
Phase I of a multi-tunnel project for Canadian Pacific Railway was completed this summer. Phase I consists of a UHF data system spanning 30 miles of tunnels and surface track working perfectly to allow the use of GE Locontrol and TIBS / EOT_HOT systems for the first time in this important corridor. This section of track, through the Canadian Rockies, connects Calgary, Alberta with Vancouver, British Columbia. Tunnel Radio installation crew leads, Scott Rose and Mike McDougal, completed the longest distributed power (DP) network in the world, in less than 120 days—on time, and with no injuries to crew or equipment. The network included the critical Mount MacDonald / Shaughnessy tunnel set, nearly 12 miles in length. Also included in the system was the popular and well known “Spiral Tunnels” near Field, British Columbia. Phase II, which is scheduled for completion in 2009, will provide a new digital 6.25 band radio network to the same corridor, upgrading existing Canadian Pacific Railway VHF facilities.
Part of this challenging network, spanning the continental divide in the Canadian Rockies, incorporated Tunnel Radio’s newest RF enhancement product the TR-OFA-450D. The OFA (Off-air Amplifier) units extended coverage of Tunnel Radio’s Tunnel Radio Link system used to maintain UHF coverage for the train data systems. OFA units provide additional critical enhancement capabilities, completely wirelessly, along track where hard-line cable installation would be nearly impossible, or costly, in mountain pass zones and rock beds.
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