NOTICE ADVISORY TO NAVSTAR USERS (NANU) #068-91081
SUBJ: PRN11 UNUSABLE DAY 80/2107-2140 UTC
1. FORECASTS/ADVISORIES AS OF DAY 81 (22 MAR 91):
2. PRN11 (MCS: SVN8) WAS UNUSABLE ON DAY 80 (21 MAR 91) BEGINNING
2107 UTC UNTIL DAY 80 AT 2140 UTC.
2. RECOMMENDATION: CONFIRM AVAILABILITY OF SATELLITES PRIOR TO USE.
3. POINT OF CONTACT: CAPT MARSUE EVANS AT COMMERCIAL (719) 550-6379
OR AUTOVON 560-6379.