Will it be possible to combine two or more of them to get accurate intel? Or combine it with another type of intel? How random will it be?
Without a sure way to calc and with more than a few percentage points random factor, it will just suck massively. No one likes to oversend. And yes, you can argue "it's the same for everyone", but replace the game with pencil and paper battleships and it will still be the same for everyone. It will also be crap.