Gnuplot
Produced by GNUPLOT 5.4 patchlevel 3
0
0.005
0.01
0.015
0.02
0.025
0.03
1925
1930
1935
1940
1945
1950
1955
1960
mean difference [s]
Besselian epoch [yr]
Em moy
Em moy
Em min
Em min
Bulletin Horaire series H number 5 page 142 table 1
Steve Allen https://www.ucolick.org/~sla/leapsecs/
First world longitude operation
Second world longitude operation
International Geophysical Year
Em, ecart moyen