Chris Olson wrote:
> One of our STEM interns recently observed that there are
> inexpensive clocks that sync via radio to standard time
> services. This begged a question about why every computer
> would not have a radio module to receive time. Our senior
> staff did not have a good answer or if time from such a
> radio module would be supported by the operating system.
>
> When I was a student, such questions would have earned me
> extra homework assignments. We now have only PC directed
> relationships with interns so we don't assign any extra
> homework for curiosity. Can anyone help with the answers?
>
Because we connect directly to a known time server, which are all synced
with the atomic clocks of places like the NIST, or Greenwich, etc. This is
what NTP or chrony is for.
Why add a radio receiver when you're already online, and can connect to
one from the US federal gov't?
mark
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