S PROJ     SESS B    MJD       MPM       DUR NOBS C
   0 3    COMMG    7 1  56007  53995000   1209000    5 0 COMMG_0007.ses
   1 3    COMMG    8 2  56007  53995000   1209000    5 0 COMMG_0008.ses
   2 3    COMMG    9 3  56007  53995000   1209000    5 0 COMMG_0009.ses
   3 3    COMMG   10 4  56007  53995000   1209000    5 0 COMMG_0010.ses