> I wonder if someone has computed the distance in space an analog TV > signal can travel and still be decodable (making reasonable > assumptions > for the size of the receiving Antenna, or just using Arecibo's > diameter). > Well of course, someone has, silly me. Here's one interesting link: www.lscheffer.com/tv.pdf It says an arecibo-like receiver would not even extend the reach of TV broadcasts beyond the solar system limits, but suggests some interesting improvements, should alien engineers care. ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.