You also need a very, very good antenna for that sort of stunt. For 10mW, sure, but I've done Michigan to France on 5W with a plain old 40m loop 15-20 feet off

You also need a very, very good antenna for that sort of stunt. For 10mW, sure, but I've done Michigan to France on 5W with a plain old 40m loop 15-20 feet off the ground. In hindsight, I should have tried it on 3W if only to get 1000mi/W on a cloud warmer.