12-05-2003, 03:10 PM
It really depends on the brand and power of the fishfinder you are using. For example if you have an Eagle that has 1500 watts of power, and one of your companions has a Lowrance (same company) that has 3000 watts of power, the lowrance unit will interfere with the eagle unit if you are close together. However if you have two different brands...like a lowrance and a bottomline, or a garmin unit, there is usually no problem.
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