UNCLASSIFIED GPS OPERATIONAL ADVISORY 009 SUBJ: GPS STATUS 09 JAN 2015 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D4, E3, D6, A4, F6, E6, D5, B4, F3, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, 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, A1, B2, F5, C2, B3, C1 CLOCK : ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015006 SUBJ: SVN43 (PRN13) FORECAST OUTAGE SUMMARY JDAY 009/0544 - JDAY 009/1330 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2015006 NANU DTG: 091340Z JAN 2015 REFERENCE NANU: 2015001 REF NANU DTG: 021648Z JAN 2015 SVN: 43 PRN: 13 START JDAY: 009 START TIME ZULU: 0544 START CALENDAR DATE: 09 JAN 2015 STOP JDAY: 009 STOP TIME ZULU: 1330 STOP CALENDAR DATE: 09 JAN 2015 2. CONDITION: GPS SATELLITE SVN43 (PRN13) WAS UNUSABLE ON JDAY 009 ...Continue Reading

GPS OPERATIONAL ADVISORY 008 SUBJ: GPS STATUS 08 JAN 2015 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D4, E3, D6, A4, F6, E6, D5, B4, F3, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, 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, A1, B2, F5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 007 SUBJ: GPS STATUS 07 JAN 2015 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D4, E3, D6, A4, F6, E6, D5, B4, F3, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, 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, A1, B2, F5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015005 SUBJ: SVN26 (PRN26) DECOMMISSIONING JDAY 006/2200 1. NANU TYPE: DECOM NANU NUMBER: 2015005 NANU DTG: 062219Z JAN 2015 REFERENCE NANU: 2015002 REF NANU DTG: 021659Z JAN 2015 SVN: 26 PRN: 26 UNUSABLE START JDAY: 005 UNUSABLE START TIME ZULU: 1750 UNUSABLE START CALENDAR DATE: 05 JAN 2015 DECOMMISSIONING JDAY: 006 DECOMMISSIONING TIME ZULU: 2200 DECOMMISSIONING CALENDAR DATE: 06 JAN 2015 2. CONDITION: GPS SATELLITE SVN26 ...Continue Reading

GPS OPERATIONAL ADVISORY 006 SUBJ: GPS STATUS 06 JAN 2015 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D4, E3, D6, A4, F6, E6, D5, B4, F3, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, 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, A1, B2, F5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015004 SUBJ: SVN26 (PRN26) UNUSABLE JDAY 005/1750 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2015004 NANU DTG: 051816Z JAN 2015 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 26 PRN: 26 START JDAY: 005 START TIME ZULU: 1750 START CALENDAR DATE: 05 JAN 2015 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN26 (PRN26) WAS UNUSABLE ON JDAY 005 (05 JAN 2015) BEGINNING 1750 ZULU ...Continue Reading

GPS OPERATIONAL ADVISORY 005 SUBJ: GPS STATUS 05 JAN 2015 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D4, E3, D6, A4, F6, E6, D5, B4, F3, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, 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, A1, B2, F5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015003 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** On 07 JAN 2015, after 2200z, GPS will transition SVN38 (PRN08) into the broadcast almanac for all satellites. The almanac transition, one satellite at a time, will require approximately 24 hours to complete. Before, during and after transition SVN38 (PRN08) will remain unusable until further notice. Future NANUs will notify users of any changes to the above stated status. *** GENERAL MESSAGE TO ALL GPS USERS ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015002 SUBJ: SVN26 (PRN26) FORECAST OUTAGE JDAY 005/1600 - UNTIL FURTHER NOTICE 1. NANU TYPE: FCSTUUFN NANU NUMBER: 2015002 NANU DTG: 021659Z JAN 2015 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 26 PRN: 26 START JDAY: 005 START TIME ZULU: 1600 START CALENDAR DATE: 05 JAN 2015 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN26 (PRN26) WILL BE UNUSABLE NO EARLIER THAN JDAY 005 (05 JAN 2 ...Continue Reading