Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2157

                                            8 May 2017


            UNIVERSAL TIME AND TERRESTRIAL POLE MOTION


    Data         MJD      UT1(SU)-UTC    X(SU)      Y(SU)
    (0h UT)                   (s)         (")        (")

                       W E E K L Y    V A L U E S
  YEAR  2017
  Apr.  25      57868      +0,432481    +0,03067    +0,42150 
        26      57869      +0,430265    +0,03160    +0,42318 
        27      57870      +0,428169    +0,03245    +0,42453 
        28      57871      +0,426279    +0,03348    +0,42594 
        29      57872      +0,424607    +0,03481    +0,42757 
        30      57873      +0,423120    +0,03644    +0,42945 
  May    1      57874      +0,421732    +0,03801    +0,43126 

                          P R E D I C T I O N
  YEAR  2017
  May    8      57881      +0,41127     +0,0487     +0,4418   
        15      57888      +0,40199     +0,0579     +0,4528   
        22      57895      +0,39194     +0,0722     +0,4627   
        29      57902      +0,38251     +0,0841     +0,4694   
  June   5      57909      +0,37516     +0,0969     +0,4722   
        12      57916      +0,37072     +0,1057     +0,4750   
        19      57923      +0,36529     +0,1178     +0,4805   

     NOTATION:
MJD - Modifired Julian Day; MJD=JD-2400000,5;
UT1(SU), X(SU), Y(SU) - Universal Time UT1 and terrestrial pole motion
                        components, evaluated State Service for Time,
                        Frequency and EOP evaluation - SSTF;
UTC -  Universal Time Coordinated;
TA(SU) - Atomic Time scale of Russian Federation;
Difference UTC-TA(SU) = -33,17276 s (from 1 July 2015),
                        -34,17276 s (from 1 January 2017).


                                 Main Metrological Center
                                       of SSTF