In article ,
David Snyder Hale wrote:
Any suggestions on HF band to use between the Pacific Northwest and
Costa Rica?

If you'll google for DXView and Propview, you'll come up with a couple of
easy-to-use propagation programs. They work under Windows. One of them
shows a propagation prediction based on the geographical coordinates of
the two stations involved and a sunspot number that you can get off the
net and plug in. The other shows a world map so you can click on a site
and it will plug the coordinates into the other one.


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jhhaynes at earthlink dot net