A couple of weekends ago, I took my trapped vertical antenna apart to clean it up, ensure every component was in good working condition, and fine-tune it. While working on the antenna, I noticed that the Common Mode Current choke box had a crack due to the hot California summer …
Tech day in Sacramento This Friday, I was invited to Sacramento to give my presentation on common mode current, what it is, and how to block or prevent it using common mode chokes. Once a month, Jeff (AK6OK) and Craig (N6YUV) organize a meetup they call ham tech day. A …