N5FEE Sun Cycles and Radio Presentation

The following is a link to the presentation given by N5FEE – Dallas Shell at the Ham Holiday Hamfest on 29Jul2023, “Sun Cycles and Radio” .

Dallas Shell N5FEE Sun Cycles and Radio Ham Holiday 29Jul23

Dallas listed several references at the end of his presentation. Here are a couple more:
https://prop.kc2g.com
https://vhf.dxview.org