han the GPS clock.<br>
The Geosync time is specified as  "SS", "MM:SS", "HH:MM:SS" or "DD HH:MM:SS" (where SS=seconds, MM=minutes, HH=hours and DD=days), 
and a leading "+" or "-" may be added for positive or negative differences.<br><b>Note:</b> Do not use (double) quotes around the geosync time in jExifToolGUI. Simply use something like -25 or +1:20
<p>In jExifToolGUI you have 2 options:
<ol><li>Use (a selection of) the images you loaded in the left images pane.</li>
    <li>Specify a folder containing a 