[time-nuts] Re: As there a hobby application of precise time or frequency measurement except for being a time nut?

[chris elfpen.com]

I have been tinkering around with a wwvb receiver on a teensydino.  I feel like it is something that would help me better understand signal processing.

My goal is to better the first lock acquisition of a cheap atomic clock



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On Apr 11, 2025, at 06:56, Erik Kaashoek via time-nuts <time-nuts at lists.febo.com<mailto:time-nuts at lists.febo.com>> wrote:

Maybe the subject line is a bit clickbait but this is a serious question.
Hobby VNA are used to measure impedance for antenna, amplifiers,
filters, PCB's and cables. Many applications for a VNA outside the
professional world.
Hobby spectrum analyzers are user for hunting RFI, measuring harmonics
of active devices, assessing what part of the spectrum is still
available for wireless devices, etc... Again many applications.
But for time and frequency measurement the situation seems to be
different. What are hobby applications for accurate assessment of
stability, time or frequency?
For radio amateurs that operate in the GHz bands the accurate assessment
of the frequencies of their generators is such an application but what
other applications do exist and what are their requirements regarding
accuracy?
I'm purposely excluding the applications where the accuracy is the goal
instead of some usage for accuracy.
Any input is welcome.
Erik.
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