[time-nuts] Mains frequency

Bill Dailey docdailey at gmail.com
Sat Nov 16 09:05:15 UTC 2013


rough comparison... I didnt have my interval right for this set.

https://www.dropbox.com/s/1gi5tbf96yop5hz/stonercompare.JPG


On Sat, Nov 16, 2013 at 3:02 AM, Bill Dailey <docdailey at gmail.com> wrote:

> Understood.. I have it every 6 cycles now to sync up with his
> synchrophaser.  I wrote the script so I can specify the number of cycles I
> average.  Right now it is at 6 because his measures are every 0.1s.
>
>
> On Sat, Nov 16, 2013 at 2:52 AM, Chris Albertson <
> albertson.chris at gmail.com> wrote:
>
>> Your method tosses out a lot of data.  You can't see transients.  Ideally
>> rather then record a 1 second average you'd record the time of EVERY zero
>> crossing.  It sounds like a lot of data but not really.   You only record
>> 32 bits 60 times each second.  That is 240 bytes per second.
>>
>> On Fri, Nov 15, 2013 at 6:51 PM, Bill Dailey <docdailey at gmail.com> wrote:
>>
>> >
>> > 110vac-->5vac-->100ohm-->picpet event---> python average 60 cycles-->
>> log
>> > freq every second.
>>
>>
>> --
>>
>> Chris Albertson
>> Redondo Beach, California
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>
>
>
> --
> Doc
>
> Bill Dailey
> KXØO
>
>
>
>
>



-- 
Doc

Bill Dailey
KXØO



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