The generic WWVB receivers in radio-controlled clocks are essentially TRF receivers using a 60kHz crystal as the tuned element.

David N1HAC

On 7/22/20 2:26 PM, Hal Murray wrote:
tsho...@gmail.com said:
I myself did some experimenting with a tuned loop antenna through a 60 kHz
crystal bandpass hooked to a ...
What is the bandwidth of the WWVB signal?
What is the bandwidth of a crystal filter?  (or probably, what are my choices,
and what do I get if I use a low cost crystal?)







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