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Re: Atomic Clocks

In Response To: Re: Atomic Clocks ()

Unless the receiver can receive multiple frequencies from WWV, chances are good that at some times during the day the signal is being received inntermittently or not at all.

Higher frequencies earlier in the day are received better than lower frequencies. As the day progresses into afternoon and evening, lower frequencies are better received.

That is the nature of shortwave.

I have also read some about these clocks and they do not update continuously, but at different intervals during the day.

The best source of cesium atomic time is directly from the radio station using a shortwave receiver.
You may also call 1-900-410-TIME and get it over the phone from the Naval Observatory. The charge is .50 cents for the first minute.

If you check your time a lot, a simple analog tuner shortwave radio might be worth the cost in the long run, and you can check time whenever you wish. WWV broadcasts on 5, 10, 15, and 20 MHz.

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Atomic Clocks

Re: Atomic Clocks

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1 wallclock secs ( 0.19 usr + 0.03 sys = 0.22 CPU)