NOTICE ADVISORY TO NAVSTAR USERS (NANU) #019-91019
SUBJ: PRN6 L-BAND DISABLED (OFF) FORECAST DAY 22 UNTIL DAY 33
1. CONDITION: PRN6 (MCS: SVN3) WILL BE UNUSABLE AT TIMES FROM DAY
20 (20 JAN 91) UNTIL DAY 33 (2 FEB 91). THE L-BAND WILL BE TURNED
OFF AS FOLLOWS:
DAY DATE      UNUSABLE (UTC)
20  20 JAN 91 20/0900-20/1045
21  21 JAN 91 21/0900-21/1045
22  22 JAN 91 22/0900-22/1045
23  23 JAN 91 23/0900-23/1045
24  24 JAN 91 24/0900-24/1045
25  25 JAN 91 25/0900-25/1045
26  26 JAN 91 26/0845-26/1030
27  27 JAN 91 27/0845-27/1030
28  28 JAN 91 28/0845-28/1030
29  29 JAN 91 29/0845-29/1030
30  30 JAN 91 30/0830-30/1015
31  31 JAN 91 31/0830-31/1015
32  01 FEB 91 32/0830-32/10L5
33  0D FEB 91 33/0815-33/1000
2. RECOMMENDATION: PRN6 WILL BE UNUSABLE FOR NAVIGATION OR POSITIONING
DURING THESE OUTAGES. CONFIRM AVAILABILITY OF SATELLITES PRIOR TO USE.
3. POINT OF CONTACT: MAJ WILLIAM FAUVER AT COMMERCIAL
(719)550-6379 OR AUTOVON 560-6379.