tri beam sonar

If you're trying to decide between a dual beam and a tri beam sonar fish finder, to make sure you get the one that fits best to your needs, I hope this post will help. First of all, this is how a dual beam and a tri beam works. A dual beam sonar projects two concentric cone sonic beams into the water, directly under the boat, under the transducer, to be more specific. One … [Read more...] about Dual Beam vs Tri Beam Sonar