NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007128 SUBJ: SVN56 (PRN16) UNUSABLE JDAY 282/1202 - JDAY 282/1359 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007128 NANU DTG: 091414Z OCT 2007 REFERENCE NANU: 2007127 REF NANU DTG: 091202Z OCT 2007 SVN: 56 PRN: 16 START JDAY: 282 START TIME ZULU: 1202 START CALENDAR DATE: 09 OCT 2007 STOP JDAY: 282 STOP TIME ZULU: 1359 STOP CALENDAR DATE: 09 OCT 2007 2. CONDITION: GPS SATELLITE SVN56 (PRN16) WAS UNUSABLE ON JDAY 282 (09 OCT 2007) ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007127 SUBJ: SVN56 (PRN16) UNUSABLE JDAY 282/1159 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2007127 NANU DTG: 091202Z OCT 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 56 PRN: 16 START JDAY: 282 START TIME ZULU: 1159 START CALENDAR DATE: 09 OCT 2007 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN56 (PRN16) WILL BE UNUSABLE ON JDAY 282 (09 OCT 2007) BEGINNING 1159 Z ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007126 SUBJ: SVN60 (PRN23) UNUSABLE JDAY 282/0855 - JDAY 282/1116 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007126 NANU DTG: 091124Z OCT 2007 REFERENCE NANU: 2007125 REF NANU DTG: 090856Z OCT 2007 SVN: 60 PRN: 23 START JDAY: 282 START TIME ZULU: 0855 START CALENDAR DATE: 09 OCT 2007 STOP JDAY: 282 STOP TIME ZULU: 1116 STOP CALENDAR DATE: 09 OCT 2007 2. CONDITION: GPS SATELLITE SVN60 (PRN23) WAS UNUSABLE ON JDAY 282 (09 OCT 2007) ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007125 SUBJ: SVN60 (PRN23) UNUSABLE JDAY 282/0855 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2007125 NANU DTG: 090856Z OCT 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 60 PRN: 23 START JDAY: 282 START TIME ZULU: 0855 START CALENDAR DATE: 09 OCT 2007 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN60 (PRN23) WILL BE UNUSABLE ON JDAY 282 (09 OCT 2007) BEGINNING 0855 ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007124 SUBJ: SVN41 (PRN14) UNUSABLE JDAY 281/2104 - JDAY 282/0143 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007124 NANU DTG: 090149Z OCT 2007 REFERENCE NANU: 2007123 REF NANU DTG: 082134Z OCT 2007 SVN: 41 PRN: 14 START JDAY: 281 START TIME ZULU: 2104 START CALENDAR DATE: 08 OCT 2007 STOP JDAY: 282 STOP TIME ZULU: 0143 STOP CALENDAR DATE: 09 OCT 2007 2. CONDITION: GPS SATELLITE SVN41 (PRN14) WAS UNUSABLE ON JDAY 281 (08 OCT 2007) ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007123 SUBJ: SVN41 (PRN14) UNUSABLE JDAY 281/2104 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2007123 NANU DTG: 082134Z OCT 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 41 PRN: 14 START JDAY: 281 START TIME ZULU: 2104 START CALENDAR DATE: 08 OCT 2007 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN41 (PRN14) WILL BE UNUSABLE ON JDAY 281 (08 OCT 2007) BEGINNING 2104 Z ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007122 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** Correction to NANU 2007118, SVN59, PRN19. Outage START TIME ZULU should read: 0437. All other information is correct as entered. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gps_support@schriever.af.mil, HTTP://gps.afspc.af.mil/gps MILITARY ALTER ...Continue Reading

-----Original Message----- From: gps@schriever.af.mil [mailto:gps@schriever.af.mil] Posted At: Monday, October 08, 2007 12:39 PM Posted To: TIS-PF-NISWS Conversation: New NANU 2007120 Subject: New NANU 2007120 NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007120 SUBJ: SVN59 (PRN19) UNUSABLE JDAY 281/0416 - JDAY 281/1636 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007120 NANU DTG: 081636Z OCT 2007 REFERENCE NANU: 2007118 REF NANU DTG: 080439Z OCT 2007 SVN: 59 PRN: 19 START JDAY: 281 START TIME ...Continue Reading

-----Original Message----- From: gps@schriever.af.mil [mailto:gps@schriever.af.mil] Posted At: Monday, October 08, 2007 12:54 PM Posted To: TIS-PF-NISWS Conversation: New NANU 2007121 Subject: New NANU 2007121 NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007121 SUBJ: SVN58 (PRN12) UNUSABLE JDAY 281/0633 - JDAY 281/1649 1. NANU TYPE: UNUSABLE NANU NUMBER: 2007121 NANU DTG: 081650Z OCT 2007 REFERENCE NANU: 2007119 REF NANU DTG: 080637Z OCT 2007 SVN: 58 PRN: 12 START JDAY: 281 START TIME ...Continue Reading

GPS OPERATIONAL ADVISORY 281 SUBJ: GPS STATUS 08 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