[time-nuts] World's most precise.... wall clock

[Bob kb8tq]

Hi

The gotcha here is that if you want accurate *time*, you are better off using
the sawtooth corrected output from a (good) GPS module rather than a GPSDO.

Bob

> On Mar 3, 2021, at 6:20 PM, djl <djl at montana.com> wrote:
> 
> Hi John:   What's the cost of the CSAC GPSDO? I'd ask directly, but the exact device specification seems a bit murky.
> Thanks
> 
> On 2021-03-03 10:34, John Sloan wrote:
>> I’ve built several small home-brew NTP servers using a Raspberry Pi,
>> a GPS receiver, and an LCD display. Most of them are desk clocks.
>> My favorite one (and the biggest money sink) is a mantle clock in my
>> living room that incorporates a chip-scale cesium “atomic clock”.
>> Photo: https://flic.kr/p/2kqoHC7
>> Blog article:
>> https://coverclock.blogspot.com/2017/05/my-stratum-0-atomic-clock_9.html
>> Git repo: https://github.com/coverclock/com-diag-astrolabe
>> --
>> J. L. Sloan            Digital Aggregates Corp.
>> +1 303 940 9064 (O)    3440 Youngfield St. #209
>> +1 303 489 5178 (M)    Wheat Ridge CO 80033 USA
>> jsloan at diag.com        http://www.diag.com <http://www.diag.com/>
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> 
> -- 
> ------------
> The whole world is a straight man.
> ----------------------
> Dr. Don Latham  AJ7LL
> PO Box 404, Frenchtown, MT, 59834
> VOX: 406-626-4304
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