Seafloor Imagery - Sidescan and Backscatter
Seafloor Imagery - Sidescan and Backscatter
Seafloor Imagery - Sidescan and Backscatter
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Capture <strong>and</strong> Measuring a contact:<br />
• To mark a target, double click in the waterfall.<br />
• To measure a target, select the up-arrow icon (4 th one in),<br />
<strong>and</strong> then double click. A target window will open<br />
Height of Contact (H) = L * A / R<br />
Three points along the<br />
image are needed<br />
altitude (A) , shadow length<br />
(L), total distance (R)