
<td>FileUserID</td>
<td class=c>N</td>
<td class=c>System</td>
<td><span class=s><span class=n>(extracted only if specifically requested or the SystemTags or RequestAll API
option is set)</span></span></td></tr>
<tr class=b>
<td>Geosync</td>
<td class=c>Y</td>
<td class=c>-</td>
<td><span class=s><span class=n>(this write-only tag specifies a time difference to add to Geotime for
synchronization with the GPS clock.  For example, set this to &quot;-12&quot; if the
camera clock is 12 seconds faster than GPS 