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 22 29
FAX 33 (0) 1 40 51 22 91
Internet: services.iers@obspm.fr Paris, 16 July 2013

Bulletin D 116




ANNOUNCEMENT OF DUT1


From the

22 August 2013, 0h UTC

until further notice, the value of DUT1 to be disseminated with the
time signals will be


DUT1 = 0.0 s


Bulletin D 117 should be issued in October 2013