NOTICE ADVISORY TO NAVSTAR USERS (NANU) #097-94072
SUBJ: PRN28 SET UNUSABLE DAY 072 AT 2230 UTC
1. CONDITION: PRN28 (SVN28) WAS UNUSABLE ON DAY 072 (13 MAR 94)
BEGINNING 2230 UTC UNTIL 2305 UTC.
2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-637 OR DSN 560-637.