Modified (1950.0) Julian day to modified Julian day
mjd = CL_dat_cjd2mjd(cjd)
Converts a modified (1950.0) Julian day (cjd: number of days elapsed since 1950.0) into a modified Julian day (mjd: Julian day - 2400000.5)
See Dates and Time for more details.
(real) Modified (1950.0) Julian day (1xN)
(real) Modified Julian day (1xN)
CNES - DCT/SB