dd3abd07_Odat_parameters_Volcano_010904__2
[0] vd_vin_etime [VOLCANO DATA] Valid to time (end time) [3] datetime [2] 
The time the data changed in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). This field will be null if the data is still valid.
WOVO.org | WOVOdat parameters-Volcano-010904
2