News Letter from Tacoma Radio Club. Solar Cycle 25 is now officially past the peak of solar activity. https://w7dk.org The lead article is a discussion about how to prepare for the declining solar cycle. “During daytime the D-layer absorption becomes weaker, this allows 40 meters to open earlier in the afternoon. At night, the F-layerContinue reading “Solar Cycle 25 Declining”
Coos County Radio Club 