Adrian, VE7NZ, is giving a one-hour presentation on how surrounding terrain, elevation, and other factors affect HF antenna performance, Wednesday, starting at 7 PM Eastern.
Free to attend. Join via Google Meet using this link:
https://meet.google.com/uwt-hhyi-aym
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Chris
More information. The presentation is for the Orillia club, but all can attend. I do not know if it will be recorded.