On Mon, Mar 30, 2009 at 10:23 AM, JohnS <jses27 at gmail.com> wrote: > On Sun, 2009-03-29 at 08:54 -0500, Lanny Marcus wrote: >> The other thing, if it is Line of Sight, as suggested by previous >> posters, is a VHF radio link. > > I would not bet my load on line of sight! I have seen days where VHF > (tropo)will travel 3500 miles and days where it would not get to my > neighbors house! Add that into the equation. Just keep in mind TV > stations ( analog/digital) transmit Kilowatts to just get 75 mile > coverage. > > Now, what about a long element yagi? Good, but not dependable. Stick > with a Land Line. RF is the most unpredictable form of AC current there > is in the world. You never know what it is going to do. The atmosphere > predicts it's fate. I have to agree with John Stanley's comments on this, because of the distance. Depends on the frequency, terrain, etc., but the distance is long, for 100% reliability.