NOTICE ADVISORY TO NAVSTAR USERS (NANU) #058-91058 SUBJ:PRN9 L-BAND-ON SCHEDULE 1. FORECAST FOR DAY 58 (27 FEB 91): PRN9 (MCS: SVN6) USABLE OVER WESTERN NORTH AMERICA (WNA) AND PERSIAN GULF AREA (PGA). L-BAND-ON SEVEN DAY FORECAST: DAY DATE L-BAND-ON WNA L-BAND-ON PGA 58 27 FEB 91 58/0416-58/0616 58/1629-58/1844 59 28 FEB 91 59/0412-59/0612 59/1625-59/1840 60 01 MAR 91 60/0408-60/0608 60/1621-60/1836 61 02 MAR 91 61/0404-61/0604 61/1617-61/1832 62 03 MAR 91 62/0400-62/0600 62/1614-62/1828 63 04 MAR 91 63/0356-63/0556 63/1610-63/1824 64 05 MAR 91 64/0352-64/0552 64/1606-64/1820 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.