Not sure if this is the link but there is a least one with respect to the google earth ion overlay that has some options. One is "radio" and the other is MUF - but they seem to cover the same thing. How are they different? Thank you and 73, Paul
--- In digitalradio@yahoogroups.com, "Andrew O'Brien" <[EMAIL PROTECTED]> wrote: > > 4D' Ionosphere Map Helps Flyers, Soldiers, Ham Radio Operators > > Start your own flight at > http://terra1.spacenvironment.net/~ionops/ES4Dintro.html. > > >
