Check this link: http://www.arrl.org/hamfests-and-conventions-calendar
Check this link: http://www.arrl.org/hamfests-and-conventions-calendar
The video conversion slowed the framerate a bit, the tubes change digits a lot faster than it looks. It's connected to a signal generator running at 1Hz.
The video conversion slowed the framerate a bit, the tubes change digits a lot faster than it looks. It's connected to a signal generator running at 1Hz.
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