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The following text was obtained from the United States Naval Observatory's
Automated Data Service. Any files referred to are on that system.
27 July 1997
UNITED STATES NAVAL OBSERVATORY (USNO)
AUTOMATED DATA SERVICE (ADS)
LATEST ANNOUNCEMENTS OF GPS SATELLITE OUTAGES
***********************************************************************
This file is updated as frequently as new information becomes
available. Entries are retained for at least 24 hours.
The references to JDAY or DAY used in the Notice Advisory to
Navstar Users (NANU) by the Master Control Station should be
understood to mean the day of year (DOY) that begins at 0000 UT.
***********************************************************************
USNO Note: The successful launch of a Block IIR satellite occurred
on July 23, 1997 at 0343 UT.
R 251513Z JUL 97
FM 2SOPS FALCON AFB CO
UNCLAS
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 086-97212
SUBJ: FORECAST OUTAGE PRN26 (SVN26) JDAY 212/2000 UP TO 12 HOURS
1. CONDITION: GPS SATELLITE PRN26 (SVN26) IS SCHEDULED TO BE UNUSABLE
ON JDAY 212 (31 JUL 97) BEGINNING 2000 ZULU FOR UP TO 12 HOURS DUE TO
MAINTENANCE. SCHEDULED MAINTENANCE WILL NOT REPOSITION PRN26.
2. AFFECTED AREAS: GLOBAL.
3. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.
RECEIVED AT USNO 25 JUL 97
***********************************************************************
Questions regarding the USNO GPS ADS files should be directed to:
Francine Vannicola Lara Schmidt
fmv@cassini.usno.navy.mil lss@ramsey.usno.navy.mil
202-762-1455 DSN 762-1455 202-762-0289 DSN 762-0289
***********************************************************************
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