Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2155

                                           24 April 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.  11      57854      +0,455392    +0,01177    +0,39355 
        12      57855      +0,453843    +0,01262    +0,39519 
        13      57856      +0,452270    +0,01423    +0,39690 
        14      57857      +0,450712    +0,01639    +0,39891 
        15      57858      +0,449229    +0,01828    +0,40113 
        16      57859      +0,447801    +0,01987    +0,40351 
        17      57860      +0,446369    +0,02120    +0,40577 

                          P R E D I C T I O N
  YEAR  2017
  Apr.  24      57867      +0,43439     +0,0323     +0,4201   
  May    1      57874      +0,42232     +0,0412     +0,4309   
         8      57881      +0,41253     +0,0517     +0,4380   
        15      57888      +0,40472     +0,0588     +0,4454   
        22      57895      +0,39643     +0,0698     +0,4557   
        29      57902      +0,38694     +0,0817     +0,4604   
  June   5      57909      +0,37967     +0,0947     +0,4642   

     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