Mark IV proposing 5.9GHz migration to E-ZPass IAG? - offering 5.9/GPS antenna after dual 5.9/915 readerBy Peter Samuel on September 10, 2008
Soon after their official announcement of a dual mode reader named Janus (5.9GHz and 915MHz) Mark IV are saying they've developed a dual mode antenna combining bidirectional 5.9GHz signaling and a GPS signal receiver.
Mark IV Industries, dominant in North America with their 915MHz E-ZPass toll systems, are announcing a dual-mode reader and claiming success in extensive on-road tests of 5.9GHz equipment. These have been conducted on highways set up with roadside equipment in the western suburbs of Detroit. The tests were part of the Vehicle Infrastructure Integration (VII) program, a joint effort of many leading companies and government entities that has been going on for about five years.
Michael Ascher says the IAG did not capitulate to the special interests of the Garden State Parkway or any others in choosing Mark IV back in March 1994. He says cost was a major factor in Mark IV being given the sole source contract rather than the favorite going in, Amtech. Ascher was chairman of the executive committee meeting that decided the contract March 18 1994 in the Robert Moses Building of the Triborough Bridge and Tunnel Authority on a snowy Friday evening.
The ownership by the toll agency is usually spelled out in the agreement the motorist signs when opening a transponder account.
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