Welcome to Misc dot Geek

Hello, I’m glad you’re here! I hope you enjoy my website. You’ll find articles regarding any misc thing that catches my eye, which you may have noticed lately is the BITX40 radio by hfsigs.com. Use the Menu or the Categories to the right to explore, or thumb through posts- whatever works for you. Enjoy!

The Quest for the Genuine IRF510

The Problem Recently, I had a need to replace the IRF510 PA MOSFET in my BITX40 radio. A malfunction with my VOX PTT circuit caused it to stay keyed down for a very long time while unattended. Oops! With that fixed, it was time to replace the IRF510. The Search I scoured the usual places …

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QRP Antenna Pole: 23ft for $10

No matter whether you’re using JT65, Voice, CW, or any other mode, you need to have an antenna. When you’re QRP, you also need all the help you can get. And high is might,. right? If you are going to be portable, you need a portable antenna. At my home, I don’t have room for …

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