Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2251

                                           25 February 2019


            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  2019
  Feb.  12      58526      -0,070622    +0,03906    +0,32308 
        13      58527      -0,071798    +0,03786    +0,32366 
        14      58528      -0,072915    +0,03655    +0,32397 
        15      58529      -0,073957    +0,03545    +0,32444 
        16      58530      -0,074942    +0,03512    +0,32538 
        17      58531      -0,075921    +0,03557    +0,32684 
        18      58532      -0,076944    +0,03640    +0,32862 

                          P R E D I C T I O N
  YEAR  2019
  Feb.  25      58539      -0,08731     +0,0400     +0,3407   
  Mar.   4      58546      -0,09353     +0,0357     +0,3494   
        11      58553      -0,10143     +0,0331     +0,3604   
        18      58560      -0,10914     +0,0329     +0,3719   
        25      58567      -0,11987     +0,0358     +0,3826   
  Apr.   1      58574      -0,12462     +0,0409     +0,3951   
         8      58581      -0,13187     +0,0434     +0,4012   

     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