OT: Location and GPS

I boat, therefore I follow navigation aids and GPS service interruptions at : http://www.navcen.uscg.gov/gps/default.htm There is an Active Notice for Cape Canaveral Area: Cape Canaveral, FL - AFSPC 2002-236 For the Aviation Community 5 NM RADIUS OF N2828/W0835 (ORL100/042) FROM THE SURFACE UP TO FL250. REMARKS; INTERMITTENT DATES AND TIME; 14 DAYS ADVANCE NOTICE WILL BE GIVEN PRIOR TO EACH EVENT. IFR OPERATIONS BASED ON GPS NAVIGATION SHOULD NOT BE PLANNED IN THE AFFECTED AREAS DURING THE PERIODS INDICATED. THESE OPERATIONS INCLUDE DOMESTIC RNAV OR LONG-RANGE NAVIGATION REQUIRING GPS. THESE OPERATIONS ALSO INCLUDE GPS STANDALONE AND OVERLAY INSTRUMENT APPROACH OPERATIONS. ON THE FOLLOWING DATES AND TIMES: REMARKS; INTERMITTENT DATES AND TIME; 14 DAYS ADVANCE NOTICE WILL BE GIVEN PRIOR TO EACH EVENT. Last Updated: 2002-12-23