Comparison of Vertical Arrays for Low Band Receiving by Joel Harrison, W5ZN pptx file, Youtube

All Choked Up! Feedline Choking Without Suffocating pptx file, Youtube by Greg Ordy, W8WWV pptx file, Youtube

Wideband Wire Antennas by Fred Lass, K2TR ppt file, Youtube

Solar Cycle 25 Lessons Learned for Amateur Radio by Dr. Tamitha Skov, WX6SWW pdf file, Youtube

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