Duration_E_from_transect_S
Duration_E_from_transect_S is an analysis export variable.
It is the duration to the last (Duration_E="End") ping in the analysis domain (interval or region), from the time of the first ping in transect (Transect_S="Start"), if the grid starts from ping 0. Otherwise, it is the duration to the last ping in the analysis domain from the start time of the transect.
This variable is exported only if it is selected on the Export page of the EV File Properties dialog box.