[time-nuts] How accurate are cheap radio controlled clocks?
jfor at quik.com
Sat Jun 25 19:38:59 UTC 2011
WWVB clocks look at the Time Code treansmitted by WWVB, not at the carrier
which is used for precision timing.
> Hi David:
> I've got a number of the WWVB clocks and can see a few of them at the
> same time. It's common that they disagree by a few seconds.
> Have Fun,
> Brooke Clarke
> Dr. David Kirkby wrote:
>> I've got one of the cheap radio-controlled clocks? I was listing to
>> radio 4 the other day and herd the time signal. The radio controlled
>> clock was about 3 seconds off. I was a bit surprised it was so far
>> off. I'm just wondering how accurate these things are.
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