NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1998101 SUBJ: SVN39 (PRN09) FORECAST OUTAGE SUMMARY JDAY 180/1141 - JDAY 180/1537 1. NANU TYPE: FCSTSUMM NANU NUMBER: 1998101 NANU DTG: 291629Z JUN 1998 REFERENCE NANU: 1998099 REF NANU DTG: 232105Z JUN 1998 SVN: 39 PRN: 09 START JDAY: 180 START TIME ZULU: 1141 START CALENDAR DATE: 29 JUN 1998 STOP JDAY: 180 STOP TIME ZULU: 1537 STOP CALENDAR DATE: 29 JUN 1998 2. CONDITION: GPS SATELLITE SVN39 (PRN09) WAS UNUSABLE ON JDAY 180 (29 JUN 1998) BEGINNING 1141 ZULU UNTIL JDAY 180 (29 JUN 1998) ENDING 1537 ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.MIL MILITARY - LT BRIAN BARKER, 2 SOPS NAVIGATION ANALYST, DSN 560-6378, COMM 719-567-6378, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS