NOTICE ADVISORY TO NAVSTAR USERS (NANU) #095-92129
SUBJ: FORECAST OUTAGE PRN24 DAY 129/0310 UTC FOR UP TO 8 HOURS
REF: (NANU) FORECAST 090-92128 - DISREGUARD MSG DTG 301442Z
1. CONDITION: PRN24 (SVN24) IS EXPECTED TO BE UNUSABLE ON DAY
129 (8 MAY 92) BEGINNING 0310 UTC FOR UP TO 8 HOURS DUE TO
SCHEDULED MAINTENANCE. THE HISTORICAL MINIMUM FOR THIS TYPE
OF MAINTENANCE IS 8 HOURS.
2. THIS SCHEDULED MAINTENANCE WILL REPOSITION PRN24 USERS ARE
REMINDED TO UPDATE ALMANACS IF NECESSARY.
3. AFFECTED AREAS: EASTERN NORTH AMERICA, THROUGH THE ATLANTIC OCEAN,
EASTERN SOUTH AMERICA, TO SOUTHERN AFRICA.
4. PRN 24 WAS UNUSABLE DAY 128/0354 UTC TO 128/0559 UTC BUT THE
REPOSITION MANUEVER DID NOT OCCUR.
5. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY
OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE
DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES.
6. POC: CPT JENSEN AT (719) 550-6378 OR DSN 560-6378.