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@obspm.fr                          Paris, 3 September 2001

                                                 Bulletin D 86




                               ANNOUNCEMENT OF DUT1


        From the

                              04 October 2001, 0h UTC

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


                                  DUT1 = -0.1 s
                                  

        Bulletin D 87 should be issued in January 2002.