On Sep 18, 5:51 am, Roy Lewallen wrote:
A good, easy to use, easy to understand, and free propagation program is
available fromhttp://www.qsl.net/w6elprop/. A google search on w6elprop
produces links to a couple of tutorials on using it.

Roy Lewallen, W7EL
(not to be confused with Shel Shallon, W6EL who has generously made his
W6ELProp program available at no cost)

I used to use "PROPHET" for weather fax and rtty. I think it was just
a look-up table.