On 31 Oct 2007 16:03:01 -0700, Chuck Gould
wrote:

Lage vessels are already required to carry transponders by the A.I.S.
system. Extending that to all vessels wouldn't be an entirely
ridiculous possibility.

It would be easy but I don't think people will put up with it, imagine
something like prohibition or the 55 mph speed limit where over 50% of
the population became law breakers.