INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE
SERVICE DE LA ROTATION TERRESTRE
OBSERVATOIRE DE PARIS
61, Av. de l'Observatoire
75014 PARIS (France)
Tel. 33 (0) 1 40 51 23 35
http://iers.obspm.fr
email: services.iers@obspm.fr Paris, 18 August 2018
Bulletin D 138
ANNOUNCEMENT OF DUT1
From the
21 September 2018, 0h UTC
until further notice, the value of DUT1 to be disseminated with the
time signals will be
DUT1 = +0.0 s
Bulletin D 139 should be issued in January 2019
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