NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999206 SUBJ: SVN26 (PRN26) FORECAST OUTAGE RESCHEDULED 1. NANU TYPE: FCSTRESCD NANU NUMBER: 1999206 NANU DTG: 151959Z DEC 1999 REFERENCE NANU: 1999204 REF NANU DTG: 151953Z DEC 1999 SVN: 26 PRN: 26 START JDAY: 351 START TIME ZULU: 0500 START CALENDAR DATE: 17 DEC 1999 STOP JDAY: 351 STOP TIME ZULU: 2200 STOP CALENDAR DATE: 17 DEC 1999 2. CONDITION: GPS SATELLITE SVN26 (PRN26) WILL BE UNUSABLE ON JDAY 351 (17 DEC 1999) BEGINNING 0500 ZULU UNTIL JDAY 351 (17 DEC 1999) ENDING 2200 ZULU. PLEASE REFERENCE NANU NUMBER 1999201 DTG 101749Z DEC 1999 FOR THE ORIGINAL OUTAGE TIME. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.MIL MILITARY - CAPT PAUL HERMANN, 2 SOPS NAVIGATION ANALYST, DSN 560-6393, COMM 719-567-6393, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS