Document exactly how the relationship between MJD(TAI) and MJD(UTC) is determined from tai-utc.dat.
Document exactly how the relationship between MJD(TAI) and MJD(UTC) is
determined from tai-utc.dat.

svn path=/trunk/; revision=9739

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot