INTERNATIONAL   EARTH   ROTATION   SERVICE   (IERS) 
                    SERVICE INTERNATIONAL DE LA ROTATION  TERRESTRE


BUREAU CENTRAL DE L'IERS
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@obspm.fr                          Paris, 7 September 2000

                                                 Bulletin D 84




                               ANNOUNCEMENT OF DUT1


        From the

                              19 October 2000, 0h UTC

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


                                  DUT1 = +0.1 s
                                  

        Bulletin D 85 should be issued in November 2000.