About Transect_time_S
Transect_time_S is an analysis export variable.
It is the time (HH:mm:ss.sss) corresponding to the start of the transect.
This variable is automatically exported if there is an assigned transect group.
See also
Transect_date_E
Transect_date_S
Transect_ID
Transect_name
Transect_notes
Transect_time_E