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OFFSETS AND STEP ADJUSTEMENTS OF UTC
_____________________________________

   Date            Offsets    Steps  

(at 0h UTC)

_____________________________________

1961  Jan.   1  - 150x10-10             
      Aug.   1       "      + 0.050s      
                ---------                      
1962  Jan.   1  - 130x10-10                    
1963  Nov.   1       "      - 0.100s    
                ---------                    
1964  Jan.   1  - 150x10-10                  
      Apr.   1       "      - 0.100s    
      Sept.  1       "      - 0.100s    
1965  Jan.   1       "      - 0.100s    
      March  1       "      - 0.100s    
      Jul.   1       "      - 0.100s    
      Sept.  1       "      - 0.100s    
                ---------                    
1966  Jan.   1  - 300x10-10                  
1968  Feb.   1       "      + 0.100s    
                ---------                    
1972  Jan.   1     0     - 0.107 7580s       
1972  Jul.   1  - 1s
1973  Jan.   1  - 1s
1974  Jan.   1  - 1s
1975  Jan.   1  - 1s
1976  Jan.   1  - 1s
1977  Jan.   1  - 1s
1978  Jan.   1  - 1s
1979  Jan.   1  - 1s
1980  Jan.   1  - 1s
1981  Jul.   1  - 1s
1982  Jul.   1  - 1s
1983  Jul.   1  - 1s
1985  Jul.   1  - 1s
1988  Jan.   1  - 1s
1990  Jan.   1  - 1s
1991  Jan.   1  - 1s
1992  Jul.   1  - 1s
1993  Jul.   1  - 1s
1994  Jul.   1  - 1s
1996  Jan.   1  - 1s
1997  Jul.   1  - 1s
1999  Jan.   1  - 1s					 
2006  Jan.   1  - 1s
2009  Jan.   1  - 1s					 
2012  Jul.   1  - 1s 
2015  Jul.   1  - 1s 
2017  Jan.   1  - 1s