GPS OPERATIONAL ADVISORY 355 SUBJ: GPS STATUS 21 DEC 2009 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

The Coast Guard Navigation Center's phone system has returned to normal operations. If you wish to contact NAVCEN please use any means listed below: Sincerely, USCG Navigation Center Navigation Information Service NAVCEN MS 7310 7323 Telegraph Road Alexandria, VA 20598 - 7310 Tel: 703-313-5900 www.navcen.uscg.gov _______________________________________________ NANU one-way mailing list NANU@cgls.uscg.mil Subscribe/Unsubscribe: http://cgls.uscg.mil/mailman/listinfo/nanu If you would like to report abuse of the C ...Continue Reading

The Coast Guard Navigation Center's phone system has returned to normal operations. If you wish to contact NAVCEN please use any means listed below: Sincerely, USCG Navigation Center Navigation Information Service NAVCEN MS 7310 7323 Telegraph Road Alexandria, VA 20598 - 7310 Tel: 703-313-5900 www.navcen.uscg.gov _______________________________________________ This is the GPS Status Message one-way mailing list. Subscribe/Unsubscribe: http://cgls.uscg.mil/mailman/listinfo/gps If you would like to report abuse o ...Continue Reading

R 192012Z DEC 09 FM COGARD NAVCEN ALEXANDRIA VA TO COMLANTAREA COGARD PORTSMOUTH VA//AT// COGARD NAVCEN DET PETALUMA CA INFO COGARD TISCOM ALEXANDRIA VA COGARD CCENGCEN PORTSMOUTH VA BT UNCLAS //N01000// SUBJ: NAVCEN PHONE OUTAGE 1. IN THE EVENT OF INCLEMENT WEATHER NAVCEN'S PHONE SERVICE MAY BE INTERUPTED. 2. THE PRIMARY MEANS TO CONTACT NAVCEN IS VIA MESSAGE TRAFFIC OR EMAIL AT TIS-PF-NISWS (AT) USCG.MIL. 3. NAVCEN MAY BE CONTACTED VIA CELL PHONE AT THE FOLLOWING NUMBERS: NIS (703) 785-5864 (703) 785-0249 ...Continue Reading

GPS OPERATIONAL ADVISORY 353 SUBJ: GPS STATUS 19 DEC 2009 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 353 SUBJ: GPS STATUS 19 DEC 2009 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) 2009131 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** GPS SATELLITE SVN25 (PRN25) WAS SET UNUSABLE ON JDAY 352 (18 DEC 2009) AT 1522Z. SVN25 (PRN25) WAS DECOMMISSIONED FROM ACTIVE SERVICE ON JDAY 352 (18 DEC 2009) AT 2228Z. PRN25 WILL BE AVAILABLE FOR FUTURE SATELLITE SERVICE. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-254 ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009130 SUBJ: SVN25 (PRN25) UNUSABLE JDAY 352/1522 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2009130 NANU DTG: 181525Z DEC 2009 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 25 PRN: 25 START JDAY: 352 START TIME ZULU: 1522 START CALENDAR DATE: 18 DEC 2009 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WILL BE UNUSABLE ON JDAY 352 (18 DEC 2009) BEGINNING 1522 Z ...Continue Reading

GPS OPERATIONAL ADVISORY 352 SUBJ: GPS STATUS 18 DEC 2009 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) 2009129 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** On 21 Dec 2009(J355), after 2200z, GPS will transition SVN24 (PRN24) 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 the transition SVN24 (PRN24) will remain unusable until further notice. Future NANUs will notify users of any changes to the above-stated status. *** GENERAL MESSAGE TO AL ...Continue Reading