NOTICE ADVISORY TO NAVSTAR USERS (NANU) #081-90110
SUBJ: PRN9/SVN6 UNAVAILABLE/AVAILABLE
1. CONDITION: PRN9/SVN6 WAS UNAVAILABLE AS OF 19 APR 90 (JULIAN
DAY 109) AT 2310 UTC AND SET AVAILABLE AS OF 20 APR 90 (JULIAN DAY
110) AT 0030 UTC. THIS WAS DUE TO A SCHEDULED ORBITAL MANEUVER
FOR CONSTELLAITON REPHASING. MANEUVER WAS NOT COMPLETED AND IS
TENTATIVELY RESCHEDULED FOR 1120 UTC ON 21 APR (JULIAN DAY 111).
2. RECOMMENDED ACTIONS: USERS SHOULD NOT USE DATA FROM
PRN9/SVN6 DURING THE ABOVE MENTIONED DATE AND TIME.
POC: MAJOR FAUVER AT COMMERCIAL: (719)550-6379 OR AUTOVON: 560-6379.