Even though it had a calibration sticker on it, I thought the oscillator in my Racal Dana 1992 frequency counter might be pretty far out of adjustment. I built a receiver for WWV on 10MHz and adjusted the oscillator by comparing it's output with the WWV carrier on an oscilloscope.
W2AEW's method: • #58: How to zero-beat ...
Information about WWV: en.wikipedia.or...)
Adjusting a frequency counter to match a rubidium reference: • EEVblog #457 - Oscilla...
Making polystyrene cement for the preselector inductors: • Homemade Q-Dope
Негізгі бет WWV Receiver
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