From: Bob Hightower (email@example.com)
I have built the crystal checker from the G3RJV six-pack, and it works FB.
Now, I would like to build one that measures crystals in the 70 MHz range.
Can this one be modified to do this, or can anyone provide information on
what I need to do it? One suggestion I have gotten is to get a faster
transistor, but I don't have any idea which one to use.
Bob Hightower KI7MN
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