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Radio Controlled Submarine

do radio waves travel through water?

I was thinking about designing and building a radio controlled submarine for fun but I am wondering if it will be able to pick up radio waves from up to 20 feet under fresh water. If anybody knows anything about this subject I would appreciate some feedback.
thanks, Mike

Yes, they do….sonar, for example.

The interface travel between water/air scatters the waves. You’d probably have to keep the antenna under water.

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