Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2208

                                           30 April 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
  Apr.  17      58225      +0,118858    +0,04593    +0,42143 
        18      58226      +0,117582    +0,04759    +0,42230 
        19      58227      +0,116446    +0,04957    +0,42312 
        20      58228      +0,115447    +0,05185    +0,42445 
        21      58229      +0,114500    +0,05406    +0,42595 
        22      58230      +0,113515    +0,05616    +0,42745 
        23      58231      +0,112495    +0,05810    +0,42905 

                          P R E D I C T I O N
  YEAR  2018
  Apr.  30      58238      +0,10330     +0,0718     +0,4388   
  May    7      58245      +0,09899     +0,0870     +0,4446   
        14      58252      +0,09304     +0,0964     +0,4506   
        21      58259      +0,08750     +0,1081     +0,4554   
        28      58266      +0,08169     +0,1253     +0,4546   
  June   4      58273      +0,08019     +0,1417     +0,4516   
        11      58280      +0,07566     +0,1604     +0,4476   

     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