shall be created, where <span style="font-weight: bold;">yyyy</span> is the computation year. Now is
up to you to append this file to the Solar Flux Data File
(flux_mean.dat) using an ordinary text editor like Notepad or
Notepad++. You shall assure that the modified julian date of the yyyy_m
file first record follows the MJD of the flux_mean file last record. After that you
have to change manually the first record of the file, in order to update
the date of the last record (colunms 7 to 11) with the n