KA1ZHI writes: Have you ever intercepted a Spy radio transmission? You probably have and didn't know it. See the article that KA1ZHI brought to our attention. I just ran across this news article on foxnews.com. The link is below. It's pretty much a rehash of what veterans know but it's an interesting article for new comers to the hobby or for those who are just curious. http://www.foxnews.com/scitech/11 3000/numbers.sml
