October 15th 2007 PST
GPS OPERATIONAL ADVISORY 287 SUBJ: GPS STATUS 14 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
October 14th 2007 PST
GPS OPERATIONAL ADVISORY 286 SUBJ: GPS STATUS 13 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
October 14th 2007 PST
To all GPS users affected by the SEM Almanac discrepancy: We are currently aware of this issue affecting limited users. Be advised, there is not a deviation to the quality of the navigation signal we provide. Repeat, there is no degradation to the quality of the GPS navigation signal. Some SEM Almanac users are experiencing a future prediction model performance issue applicable to certain applications. We have developed a planned software fix due next Friday, 19 Oct 07. We encourage those users affected to continue ...Continue Reading
October 14th 2007 PST
GPS OPERATIONAL ADVISORY 285 SUBJ: GPS STATUS 12 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
October 12th 2007 PST
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007135 NANU TYPE: GENERAL *****DISREGARD NANUS 2007130, 2007131, 2007132, AND 2007133***** *****THIS NANU PROVIDES COMPLETE INFORMATION FOR THIS SVN51 OUTAGE***** SUBJ: SVN51 (PRN20) UNUSABLE JDAY 283/0824 - JDAY 283/1104 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007135 NANU DTG: 102020Z OCT 2007 REFERENCE NANU: 2007129 REF NANU DTG: 100828Z OCT 2007 SVN: 51 PRN: 20 START JDAY: 283 START TIME ZULU: 0824 START CALENDAR DATE: 10 OCT 2007 ST ...Continue Reading
October 12th 2007 PST
GPS OPERATIONAL ADVISORY 284 SUBJ: GPS STATUS 11 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
October 11th 2007 PST
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007134 SUBJ: SVN27 (PRN27) FORECAST OUTAGE CANCELLED 1. NANU TYPE: FCSTCANC NANU NUMBER: 2007134 NANU DTG: 102214Z OCT 2007 REFERENCE NANU: 2007117 REF NANU DTG: 051617Z OCT 2007 SVN: 27 PRN: 27 START JDAY: 284 START TIME ZULU: 1330 START CALENDAR DATE: 11 OCT 2007 STOP JDAY: CANCELLED STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: THE FORECAST OUTAGE FOR GPS SATELLITE SVN27 (PRN27) SCHEDULED FOR JDAY 284 (11 OCT ...Continue Reading
October 11th 2007 PST
GPS OPERATIONAL ADVISORY 283 SUBJ: GPS STATUS 10 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
October 10th 2007 PST
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007129 SUBJ: SVN51 (PRN20) UNUSABLE JDAY 283/0824 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2007129 NANU DTG: 100828Z OCT 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 51 PRN: 20 START JDAY: 283 START TIME ZULU: 0824 START CALENDAR DATE: 10 OCT 2007 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN51 (PRN20) WILL BE UNUSABLE ON JDAY 283 (10 OCT 2007) BEGINNING 0824 Z ...Continue Reading
October 10th 2007 PST
GPS OPERATIONAL ADVISORY 282 SUBJ: GPS STATUS 09 OCT 2007 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 F6, D1, C2, D4, B5, C1, C5, A3, A1, E3, D2, B4, F3, F1 CLOCK : CS, RB, CS, RB, RB, RB, RB, CS, RB, 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, D6, A5, F2, A4, B3, F5 CLOCK : RB, RB, ...Continue Reading
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