NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1998046 SUBJ: SVN26 (PRN26) UNUSABLE JDAY 100/1643 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 1998046 NANU DTG: 101706Z APR 1998 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 26 PRN: 26 START JDAY: 100 START TIME ZULU: 1643 START CALENDAR DATE: 10 APR 1998 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN26 (PRN26) IS UNUSABLE AS OF JDAY 100 (10 APR 1998) BEGINNING 1643 ZULU UNTIL FURTHER NOTICE. 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@FAFB.AF.MIL, HTTP://WWW.FAFB.AF.MIL/GPS