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dragonfly 7 sonar images questions
02-26-17, 11:51 AM
Post: #1
dragonfly 7 sonar images questions
Is my calculation of these 2 fish size correct?
I found these 2 fish huddled together at about 9 feet deep of water. I zoomed into water column between 7 feet and 9 feet. So, that's 2 feet of water. I know this sonar spots a 5 feet diameter circle cone in every 3 feet of water. Fish takes over about 60% of my screen. The fish size is about 2 feet = 60%*2*5/3 or 24 inches.

Do you agree?

http://www.youtube.com/njfishing1 - from Captain Steve
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dragonfly 7 sonar images questions - ray18 - 02-26-17 11:51 AM

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