NOTICE ADVISORY TO NAVSTAR USERS (NANU) #087-97206
SUBJ: FORECAST OUTAGE SUMMARY PRN31 (SVN31) JDAY 204/1921 - 206/1901
REF: NANU 082-97204 (DTG 112110Z JUL 97)
1. CONDITION: GPS SATELLITE PRN31 (SVN31) WAS UNUSABLE ON JDAY 204
(23 JUL 97) BEGINNING 1921 ZULU UNTIL JDAY 206 AT 1901 ZULU DUE TO
MAINTENANCE. SCHEDULED MAINTENANCE DID NOT REPOSITION PRN31.
2. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.