[time-nuts] Time nut newbie

Brooke Clarke brooke at pacific.net
Tue Apr 30 20:33:21 UTC 2013


Hi Tim:

You might look into the DS3232 which can be combined with a PIC to control the aging rate register.
http://www.maximintegrated.com/datasheet/index.mvp/id/4984

Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html

Tim Bastian wrote:
> Hi all,
>
> I'm a time nut newbie. My obsession started with the search for an accurate chronometer to carry on my boat for celestial navigation. Yes there still are a few of us left that practice the art.
>
> My current project is a quartz chronometer using a DS32Khz tcxo oscillator and two 74HC4060s (+ or- 10 seconds / year).
>
> For my next project I'm looking at an Abricon Part Number AOCJY2-10.000MHZ  ocxo 5 ppb running through a pic and using the algorithm posted on http://www.romanblack.com/one_sec.htm. I'm shooting for + or - 1 seconds / year.
>
>   Is there an archive of old posts that might be helpful in answering some of my questions and for getting ideas.
>
> Thanks,
>
>    Tim KK4FQB
>
> Sent from my Motorola ATRIX™ 4G on AT&T
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