Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2231

                                            8 October 2018


            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  2018
  Sep.  25      58386      +0,053620    +0,21190    +0,33921 
        26      58387      +0,052748    +0,21142    +0,33759 
        27      58388      +0,051868    +0,21079    +0,33603 
        28      58389      +0,050996    +0,21059    +0,33470 
        29      58390      +0,050084    +0,21068    +0,33360 
        30      58391      +0,049201    +0,21069    +0,33226 
  Oct.   1      58392      +0,048438    +0,21069    +0,33085 

                          P R E D I C T I O N
  YEAR  2018
  Oct.   8      58399      +0,04168     +0,2099     +0,3228   
        15      58406      +0,03507     +0,2056     +0,3136   
        22      58413      +0,03039     +0,1987     +0,3071   
        29      58420      +0,02233     +0,1923     +0,3060   
  Nov.   5      58427      +0,01477     +0,1834     +0,3025   
        12      58434      +0,00710     +0,1743     +0,3012   
        19      58441      -0,00016     +0,1653     +0,3010   

     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