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When clicking the '+' symbol, the Add Tonnage Position form will be displayed. You can then type or perform a copy and paste of a vessel position into the open text box and the platform will extract the information.
Edit a tonnage position position
You can edit any tonnage position on your list by clicking the pencil icon 
found on the left end of a tonnage position line or holding the Shift key and clicking on a field on the list in which you would like to update.
Performing one of the above will bring out the Edit tonnage Position form where you can make changes to the tonnage position and save it.
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