Hello, The primary U.S. Coast Guard Navigation Center Website (http://www.navcen.uscg.mil ) has been restored. Thank you for your patience. Questions or comments may be addressed to our operation center via email at nisws@navcen.uscg.mil or via phone at 703-313-5900. Regards, The USCG Navigation Center Team http://www.navcen.uscg.mil 703-313-5900 _______________________________________________ This is the GPS Status Message one-way mailing list. Subscribe/Unsubscribe: http://cgls.uscg.mil/mailman/listinfo/gps ...Continue Reading

Hello, The primary U.S. Coast Guard Navigation Center Website (http://www.navcen.uscg.gov) is currently unavailable due to technical difficulties. The estimated time of repair is 12:00AM EDT. We will advise you when the site has been restored to normal operation. In the mean time, all information you would normally access from our primary site is available on our secondary site at http://www.navcenter.org. This secondary site is maintained specifically to provide navigation safety information in the event the prim ...Continue Reading

GPS OPERATIONAL ADVISORY 182 SUBJ: GPS STATUS 30 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 181 SUBJ: GPS STATUS 29 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 180 SUBJ: GPS STATUS 28 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 179 SUBJ: GPS STATUS 27 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008061 SUBJ: SVN23 (PRN32) FORECAST OUTAGE JDAY 183/1400 - JDAY 184/1600 1. NANU TYPE: FCSTDV NANU NUMBER: 2008061 NANU DTG: 261402Z JUN 2008 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 23 PRN: 32 START JDAY: 183 START TIME ZULU: 1400 START CALENDAR DATE: 01 JUL 2008 STOP JDAY: 184 STOP TIME ZULU: 1600 STOP CALENDAR DATE: 02 JUL 2008 2. CONDITION: GPS SATELLITE SVN23 (PRN32) WILL BE UNUSABLE ON JDAY 183 (01 JUL 2008) BEGINNIN ...Continue Reading

GPS OPERATIONAL ADVISORY 178 SUBJ: GPS STATUS 26 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008060 SUBJ: SVN38 (PRN08) FORECAST OUTAGE SUMMARY JDAY 177/2338 - JDAY 178/0523 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2008060 NANU DTG: 260525Z JUN 2008 REFERENCE NANU: 2008059 REF NANU DTG: 192112Z JUN 2008 SVN: 38 PRN: 08 START JDAY: 177 START TIME ZULU: 2338 START CALENDAR DATE: 25 JUN 2008 STOP JDAY: 178 STOP TIME ZULU: 0523 STOP CALENDAR DATE: 26 JUN 2008 2. CONDITION: GPS SATELLITE SVN38 (PRN08) WAS UNUSABLE ON JDAY 177 ...Continue Reading

GPS OPERATIONAL ADVISORY 177 SUBJ: GPS STATUS 25 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB ...Continue Reading