New NIST Time Code to Boost Reception for Radio-Controlled Clocks

Mike ODELL mo at ccr.org
Mon Mar 11 22:18:44 CDT 2013


it's not because your refrigerator needs it.
it's because they needed to improve the noise immunity for
things that do want accurate time from WWVB. your refrigerator
just gets a free giggle. and frankly, in the Time Transfer business,
a microsecond is seriously sloppy when the clocks behind it measure 
noise in picoseconds and femtoseconds.  (grin)

      -mo

Sent from my iPad so please excuse the jammy fingers.

On Mar 10, 2013, at 8:04 AM, Phil <philmt59 at aol.com> wrote:

> Very useful - but why would my refrigerator, microwave oven or sprinklers need to know the time to the nearest microsecond?
> 
> Phil M1GWZ
> 
> 
> On 10 Mar 2013, at 04:02, Richard O'Neill wrote:
> 
>> http://www.nist.gov/pml/div688/wwvb-030513.cfm
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