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There ya go. You're gonna make all of the guys who spent an extra hunnert dollars on their LX-7s mad. They spent all that money to have their fish finder tell them that.That is one of the new fangled features that everybody is hyping.Fishrmn
Yes: but are you aware that there is no industry standard for measuring cone angle? Humminbird measures their cone angle when the signal strength drops to minus 10 DB and Lowrance measures theirs at minus 3 DB. That's a big difference. Not sure where the others are measuring them.
tan (cone angle/2) x the depth x 2 = cone diameter coverage. you have to start with a right triangle which is half the cone angle, take the tangent and multiply by depth for the radius of coverage, then double it for diameter of coverage on bottom.
I guess it depends on how the manufacturers define the beam angle. I didn't think to question when it matched what I found in my Vex manual. See page 21 http://vexilar.com/pages/support/pdf/vexilar_fl-8slt.pdf. Mabye you have to use 4.5 degrees in your case (if 9 degree beam)?
Are we really so bored waiting for ice we're doing math and arguing cone angles and bent spoons.... We better get some cold weather soon before we start trying to build flux capacitors to go back to a colder December! Fish Nerds are awesome! Thanks for the information it really is great
But there is no spoon Sorry Matrix fan here as well