NOTICE ADVISORY TO NAVSTAR USERS (NANU) #058-97147
SUBJ: FORECAST OUTAGE SUMMARY PRN23 (SVN23) JDAY147/1450- 147/1934
REF: NANU 055-97147 (DTG 131424zMAY97)
1. CONDITION: GPS SATELLITE PRN23 (SVN23) WAS UNUSABLE ON JDAY 147
(27 MAY 97) BEGINNING 1450 ZULU UNTIL JDAY 147 AT 1934 ZULU DUE TO
MAINTENANCE. SCHEDULED MAINTENANCE DID NOT REPOSITION PRN23.
2. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.