On Tue, 14 Jul 2009 23:28:21 -0700, "Sal M. Onella"
wrote:


[snippety snip some good info from Sal]

Also, to the OP, if you're interested in playing with this some, even
just to the point of seeing what some of the radiation/reception
patterns look like (goes-out signal strength is the same pattern as the
goes-in sensitivity, btw) hop over to http://home.ict.nl/~arivoors/ and
d/l a copy of Arie's version of the 4nec2 antenna modeling software.

There are example files that are similar to typical TV antennas, among
others. You can get a list of channel assignments versus frequency on
Wikipedia.

--
Rich Webb Norfolk, VA