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Old September 29th 07, 06:16 AM posted to rec.radio.amateur.homebrew
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Default Xtal calibrator, 1980 ARRL Handbook

COLIN LAMB wrote:
Ok, finally found a single tube 100 kHz. crystal oscillator that uses a neon
bulb relaxation oscillator that is synchronized to achieve 10 kHz signals.


Phase Locked Lightbulbs?

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