hhmmss.xxx   hhmmss.xxx          sec          sec                 day                 day             sec             sec                 day                 day              sec             sec
      nGTI     UTCstart       UTCend     sodStart       sodEnd         MJDobsStart           MJDobsEnd        TDBstart          TDBend         MJDtdbStart           MJDtdbEnd     duration_sec       accum_sec
         0 090000.00000 090159.99999  32400.00000  32519.99999  58121.375000000000  58121.376388888768    32937.287376    33057.283668  58121.381218603891  58121.382607449856       118.996302      118.996302