I'm getting interference between my Humminbird at the back and my Eagle at the front. Both are running on a 20 degree ducer in shallow water(15 feet) so I don't think it's sonar cones overlapping. I only get the interference on the Eagle. Soon as I shut the Humminbird off the Eagle works perfect. I have the power source coming off the power block in the console ( 1775 Pro v). Both wired seperately. What could be the probelm?

W5

Just my opinion, but I expect it's the two sonars interfering with each other. Lowrance/Eagle "20 degree" transducers see a much wider angle than you might think. For example, I have mounted two different transducers on the transom of my 16' boat and both marked the bow-mount trolling motor. I have an Eagle in the bow using a TM-mounted puck and a Lowrance on the console using a transom-mounted Skimmer. In 15' of water they will interfere with each other if I run both at the same time. The interference is one transducer picking up sonar pulses from the other one.

If you want to run both sonars at once and the interference bothers you, use a narrow-beam transducer, say 12 degree, on the Eagle. That will stop the interference in depths of 15', but you'll still see interference in deeper water.

I'll experiment with them tommorrow. Get into some real shallow stuff.

Thanks

W5