B BillC Active member Nov 3, 2025 #1 Check out a number of discussions on the HF-90 by the designer Rod Macduff. Interesting design philosophy.
Check out a number of discussions on the HF-90 by the designer Rod Macduff. Interesting design philosophy.
VK3ZYZ Moderator Staff member Nov 3, 2025 #2 Is this the one Bill? It was very interesting! Here are the circuits etc. that I found on line if you want to follow the description. Attachments HF-90.zip 1 MB Views: 35 Last edited: Nov 3, 2025
Is this the one Bill? It was very interesting! Here are the circuits etc. that I found on line if you want to follow the description.
