Propagation VHF and Above

Propagation VHF and Above https://wcarc.ca/presentations/ve3cvg_propagation.html https://translate.google.pl/translate?hl=pl&sl=en&tl=pl&u=https%3A%2F%2Fwcarc.ca%2Fpresentations%2Fve3cvg_propagation.html WCARC

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