Sorry for the duplicate post - after sending I realized I sent from the wrong address. Or so I thought - I guess the list recognizes me either way :) - Mike You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat. --Albert Einstein, describing radio.