In accordance with the DHS Appropriations Act, the U.S. Coast Guard will terminate the transmission of all U.S. LORAN-C signals effective 2000Z 08 Feb 2010.
http://www.navcen.uscg.gov/loran/geninfo/USCG_FRDOC_0001-1186.pdf
LORAN-C General Information - USCG Navigation Center
http://www.navcen.uscg.gov/loran/geninfo/USCG_FRDOC_0001-1186.pdf
LORAN-C General Information - USCG Navigation Center