Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2156

                                            1 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.  18      57861      +0,444901    +0,02282    +0,40775 
        19      57862      +0,443421    +0,02401    +0,40966 
        20      57863      +0,441926    +0,02493    +0,41131 
        21      57864      +0,440365    +0,02631    +0,41273 
        22      57865      +0,438623    +0,02796    +0,41487 
        23      57866      +0,436715    +0,02920    +0,41742 
        24      57867      +0,434652    +0,02989    +0,41963 

                          P R E D I C T I O N
  YEAR  2017
  May    1      57874      +0,42111     +0,0376     +0,4335   
         8      57881      +0,40927     +0,0501     +0,4454   
        15      57888      +0,40135     +0,0608     +0,4544   
        22      57895      +0,39336     +0,0728     +0,4595   
        29      57902      +0,38405     +0,0810     +0,4647   
  June   5      57909      +0,37639     +0,0930     +0,4726   
        12      57916      +0,37177     +0,1053     +0,4749   

     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