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The information stored includes:
- Station ID,
- period the gage zero is valid for (double-click to change date, or edit in the date text field),
- Gage Zero height in m + Datum of Elevation,
- Datum of Elevation.
Press <Save> to save the entered information in the database, <Delete> to delete a Gage zero from the database, <Close> to leave the window without saving.
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