Chesapeake Times, Vol 6 | July 2021 In version 7.07.05 of SonarWiz, we added the ability for sidescan users to track the far-field of their data in post processing in order to remove erroneous data that was captured during the survey. Often times when recording sidescan data in a narrow river or canal, you will often see the edges of your swath range display washed out like the image below. In prior versions of SonarWiz, you could use the Far Field Threshold tool in the Advanced Settings dialog to attempt to remove this data, but it offered almost no control …