Tag: HD1416
Looking at the Heathkit HD-1416 Code Practice Oscillator
![](http://www.vk1zdj.net/wp-content/uploads/2020/09/2020-09-17-15.07.40-200x150.jpg)
Today my Heathkit Code Practice Oscillator arrived. I was lucky enough to pick it up on eBay for a song, but the shipping took forever. Anyway, it’s a beautifully constructed unit, built from a multivibrator circuit, based around…
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