May 1st 2015 PDT
GPS OPERATIONAL ADVISORY 121 SUBJ: GPS STATUS 01 MAY 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 30th 2015 PDT
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015033 SUBJ: SVN54 (PRN18) FORECAST OUTAGE SUMMARY JDAY 121/0031 - JDAY 121/0533 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2015033 NANU DTG: 010552Z MAY 2015 REFERENCE NANU: 2015031 REF NANU DTG: 241901Z APR 2015 SVN: 54 PRN: 18 START JDAY: 121 START TIME ZULU: 0031 START CALENDAR DATE: 01 MAY 2015 STOP JDAY: 121 STOP TIME ZULU: 0533 STOP CALENDAR DATE: 01 MAY 2015 2. CONDITION: GPS SATELLITE SVN54 (PRN18) WAS UNUSABLE ON JDAY 121 ...Continue Reading
April 30th 2015 PDT
GPS OPERATIONAL ADVISORY 120 SUBJ: GPS STATUS 30 APR 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 29th 2015 PDT
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015032 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** On approximately 30 APR 2015, SVN49 will resume transmitting L-band utilizing PRN08. At L-band activation, SVN49/PRN08 will be unusable until further notice. Additionally, no broadcast almanacs will include SVN49/PRN08 until further notice. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPS ...Continue Reading
April 29th 2015 PDT
GPS OPERATIONAL ADVISORY 119 SUBJ: GPS STATUS 29 APR 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 28th 2015 PDT
GPS OPERATIONAL ADVISORY 118 SUBJ: GPS STATUS 28 APR 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 27th 2015 PDT
GPS OPERATIONAL ADVISORY 117 SUBJ: GPS STATUS 27 APR 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 25th 2015 PDT
GPS OPERATIONAL ADVISORY 115 SUBJ: GPS STATUS 25 APR 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, D6, E3, D4, A4, F3, E6, D5, B4, F6, 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, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, ...Continue Reading
April 24th 2015 PDT
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015031 SUBJ: SVN54 (PRN18) FORECAST OUTAGE JDAY 120/2330 - JDAY 121/1130 1. NANU TYPE: FCSTDV NANU NUMBER: 2015031 NANU DTG: 241901Z APR 2015 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 54 PRN: 18 START JDAY: 120 START TIME ZULU: 2330 START CALENDAR DATE: 30 APR 2015 STOP JDAY: 121 STOP TIME ZULU: 1130 STOP CALENDAR DATE: 01 MAY 2015 2. CONDITION: GPS SATELLITE SVN54 (PRN18) WILL BE UNUSABLE ON JDAY 120 (30 APR 2015) BEGINNIN ...Continue Reading
April 23rd 2015 PDT
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015030 SUBJ: SVN54 (PRN18) FORECAST OUTAGE CANCELED 1. NANU TYPE: FCSTCANC NANU NUMBER: 2015030 NANU DTG: 231401Z APR 2015 REFERENCE NANU: 2015027 REF NANU DTG: 171631Z APR 2015 SVN: 54 PRN: 18 START JDAY: 114 START TIME ZULU: 0000 START CALENDAR DATE: 24 APR 2015 STOP JDAY: CANCELLED STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: THE FORECAST OUTAGE FOR GPS SATELLITE SVN54 (PRN18) SCHEDULED FOR JDAY 114 (24 APR 2 ...Continue Reading
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