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Loran-C system shut down set for Feb. 8

Post by Jeff Mayor / The News Tribune on Jan. 7, 2010 at 2:01 pm |
January 7, 2010 5:58 pm

The U.S. Coast Guard’s Director of Prevention Policy announced today publication in the Federal Register of plans to cease broadcasting the North American Loran-C signal on Feb. 8.

In the Northwest, the decision means the shut down of the Loran station in Havre, Mont., but not George, Wash., station that will continue to support an international network.

Because of other technological advancements, in particular, the Global Positioning System, Loran-C is no longer required by the armed forces, the transportation sector or the nation’s security interests, and is used by only a small segment of the population.

The Loran-C system was not established as, nor was it intended to be, a viable systemic backup for GPS, said a U.S. Coast Guard news release.

The full notice may be viewed online at, docket number: USCG-2009-0299. For more information on terminations, reductions and savings contained in the fiscal year 2010 budget, including Loran-C, visit

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