Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2230

                                            1 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.  18      58379      +0,055907    +0,21222    +0,35015 
        19      58380      +0,055883    +0,21219    +0,34866 
        20      58381      +0,055800    +0,21207    +0,34707 
        21      58382      +0,055680    +0,21199    +0,34557 
        22      58383      +0,055408    +0,21191    +0,34413 
        23      58384      +0,054948    +0,21176    +0,34253 
        24      58385      +0,054349    +0,21187    +0,34081 

                          P R E D I C T I O N
  YEAR  2018
  Oct.   1      58392      +0,04897     +0,2106     +0,3301   
         8      58399      +0,04356     +0,2058     +0,3221   
        15      58406      +0,03665     +0,2012     +0,3191   
        22      58413      +0,03200     +0,1937     +0,3136   
        29      58420      +0,02406     +0,1859     +0,3101   
  Nov.   5      58427      +0,01525     +0,1776     +0,3076   
        12      58434      +0,00677     +0,1666     +0,3038   

     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