GPS OPERATIONAL ADVISORY 029 SUBJ: GPS STATUS 29 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 029 SUBJ: GPS STATUS 29 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010014 SUBJ: SVN53 (PRN17) FORECAST OUTAGE JDAY 033/1015 - JDAY 033/2215 1. NANU TYPE: FCSTDV NANU NUMBER: 2010014 NANU DTG: 281757Z JAN 2010 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 53 PRN: 17 START JDAY: 033 START TIME ZULU: 1015 START CALENDAR DATE: 02 FEB 2010 STOP JDAY: 033 STOP TIME ZULU: 2215 STOP CALENDAR DATE: 02 FEB 2010 2. CONDITION: GPS SATELLITE SVN53 (PRN17) WILL BE UNUSABLE ON JDAY 033 (02 FEB 2010) BEGINNI ...Continue Reading

GPS OPERATIONAL ADVISORY 028 SUBJ: GPS STATUS 28 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010013 SUBJ: SVN48 (PRN07) FORECAST OUTAGE SUMMARY JDAY 028/0616 - JDAY 028/1000 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2010013 NANU DTG: 281008Z JAN 2010 REFERENCE NANU: 2010010 REF NANU DTG: 202022Z JAN 2010 SVN: 48 PRN: 07 START JDAY: 028 START TIME ZULU: 0616 START CALENDAR DATE: 28 JAN 2010 STOP JDAY: 028 STOP TIME ZULU: 1000 STOP CALENDAR DATE: 28 JAN 2010 2. CONDITION: GPS SATELLITE SVN48 (PRN07) WAS UNUSABLE ON JDAY 028 ...Continue Reading

GPS OPERATIONAL ADVISORY 027 SUBJ: GPS STATUS 27 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010012 SUBJ: SVN34 (PRN04) FORECAST OUTAGE SUMMARY JDAY 026/1412 - JDAY 027/0013 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2010012 NANU DTG: 270021Z JAN 2010 REFERENCE NANU: 2010009 REF NANU DTG: 202016Z JAN 2010 SVN: 34 PRN: 04 START JDAY: 026 START TIME ZULU: 1412 START CALENDAR DATE: 26 JAN 2010 STOP JDAY: 027 STOP TIME ZULU: 0013 STOP CALENDAR DATE: 27 JAN 2010 2. CONDITION: GPS SATELLITE SVN34 (PRN04) WAS UNUSABLE ON JDAY 026 ...Continue Reading

GPS OPERATIONAL ADVISORY 026 SUBJ: GPS STATUS 26 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 025 SUBJ: GPS STATUS 25 JAN 2010 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010011 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** On 11 January 2010, the GPS Master Control Station loaded new operational control system software to support future GPS modernization capabilities and signals. The software has been in operational soak and the GPS Master Control Station has received a few user concerns related to the software update. Military users can find additional information at the GPSOC SIPRNet website at http://gpsoc.afspc.af.smil.mil. ...Continue Reading