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Priority:     urgent
Newsgroups: comp.infosystems.gis
Date:         Mon, 17 Aug 1992 09:02:21 -0400
Reply-To:     hoffmann@urzdfn.kartographie.TU-DRESDEN.DBP.DE
              <GIS-L@UBVM.BITNET>
From:         hoffmann@URZDFN.KARTOGRAPHIE.TU-DRESDEN.DBP.DE
Subject:      RE: GPS mailing lists / new-groups

Try it with CANSPACE... they have a lot of GPS related discussions. - FH-TUD

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Date:         Mon, 17 Aug 92 12:57+0000
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Reply-To:     /ADMD=TELECOM.
              CANADA/PRMD=CDN/O=UNB/PN=lang/OU=JUPITER/OU=SUN/OU=CSD/@CA
Subject:      GPS Constellation Daily Status Report from USNO
To:           Frank Hoffmann TUDresden Germany <hoffmann@
              URZDFN.KARTOGRAPHIE.TU-DRESDEN.DBP.DE>
From:         /ADMD=TELECOM.
              CANADA/PRMD=CDN/O=UNB/PN=lang/OU=JUPITER/OU=SUN/OU=CSD/@CA
              CANADA/PRMD=CDN/O=UNB/PN=CANSPACE/@CA>
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              CANSPACE/@CA>
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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.


File GPS
 last updated  -- <920125.1436>

     This file is updated as frequently as new information becomes
     available.  Entries are retained for approximately 24 hours.
     Longer term information is moved to file GPSTD.

************************************************************************

USNO NOTE:  23 Jan 92, 1400 UT
1. GPS automatic time steering:
    a. In effect 2 Jan 91 1600 UT to 20 Jan 92 1855 UT at rate
       +/-2.0E-19 seconds per second squared.
    b. In effect 21 Jan 92 1651 to 1855 UT at rate +/-2.0E-19 seconds
       per second squared.
    c. In effect 22 Jan 92 at 2052 UT and will remain in effect until
       further notice at rate +/-2.0E-19 seconds per second squared.
2. PRN21/SVN21 scheduled outage began 21 Jan 1745 UT for up to 8 hours
    for repositioning maintenance; extended additional 7 hours beginning
    22 Jan 0145 UT.
3. PRN06/SVN03 will be unavailable (L1/L2 bands off) beginning 30 Dec 91
    to 1 Feb 92 for two daily periods for up to six hours each.  See
    file PRN06 for more information.

***********************************************************************

 Refer any questions on information contained in the USNO notes to the
 U.S. Naval Observatory, Time Service Department, Francine Vannicola,
 202-653-1525 (DSN 294-1525); Email address:  fmv@tycho.usno.navy.mil

***********************************************************************

============================================================================
Richard B. Langley                          BITnet: LANG@UNB.CA or SE@UNB.CA
Geodetic Research Laboratory                Phone:  (506) 453-5142
Dept. of Surveying Engineering              Telex:  014-46202
University of New Brunswick                 FAX:    (506) 453-4943
Fredericton, N.B., Canada  E3B 5A3
============================================================================