FW: Bulletin C number 26
Olson, Arthur David (NIH/NCI)
olsona at dc37a.nci.nih.gov
Thu Jul 10 17:09:05 UTC 2003
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Subject: Bulletin C number 26
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INTERNATIONAL EARTH ROTATION SERVICE (IERS)
SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE
SERVICE DE LA ROTATION TERRESTRE
OBSERVATOIRE DE PARIS
61, Av. de l'Observatoire 75014 PARIS (France)
Tel. : 33 (0) 1 40 51 22 26
FAX : 33 (0) 1 40 51 22 91
Internet : iers at obspm.fr
Paris, 1 July 2003
Bulletin C 26
To authorities responsible
for the measurement and
distribution of time
INFORMATION ON UTC - TAI
NO positive leap second will be introduced at the end of December 2003.
The difference between UTC and the International Atomic Time TAI is :
from 1999 January 1, 0h UTC, until further notice : UTC-TAI = -32 s
Leap seconds can be introduced in UTC at the end of the months of December
or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every
six months, either to announce a time step in UTC, or to confirm that there
will be no time step at the next possible date.
Daniel GAMBIS
Director
Earth Orientation Center of
IERS
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