[OFARC] great resource
Ralph (home)
ke5hdf at sbcglobal.net
Thu Jan 9 11:04:23 EST 2020
I copied this from the ARRL contest newsletter
The imbedded link takes you to a list of club newsletters
Choose Jan 2020.great description of propagation modes, plus lots of useful
links.
Ralph
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Terry, N6RY, gave a comprehensive presentation to the Sun City Grand Hams,
entitled "HF PROPAGATION & SPACE WEATHER," which is also
<http://www.grandhams.com/newsletters.htm> available in the January 2020
newsletter. It starts with a good overview of the various layers of
ionization in the ionosphere, and ends with a number of resources for
further study.
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