KETCHIKAN - Starting next month, the U.S. Coast Guard will begin shutting down the Loran navigation system that has been used by those at sea.
The 53-year-old system uses radio signals from land-based towers to determine positions at sea. It has been eclipsed by the satellite-based Global Positioning System.
President Barack Obama had cited Loran as an example of an obsolete system that could be shut down to save money.
The decision affects 24 Loran stations in the United States, including one near Ketchikan.
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