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 ZULU: 0633
       START CALENDAR DATE: 08 OCT 2007
       STOP JDAY: 281
       STOP TIME ZULU: 1649
       STOP CALENDAR DATE: 08 OCT 2007

2.  CONDITION: GPS SATELLITE SVN58 (PRN12) WAS UNUSABLE ON JDAY 281
    (08 OCT 2007) BEGINNING 0633 ZULU UNTIL JDAY 281 (08 OCT 2007)
    ENDING 1649 ZULU.

3.  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 ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994,
    COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL