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, 20 December 2018


                                                   Bulletin D 139








                               ANNOUNCEMENT OF DUT1




        From the


                          17 January 2019, 0h UTC


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




                                  DUT1 = -0.1 s
                                  



        Bulletin D 140 should be issued in April 2019
         

         

      

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