[time-nuts] Time Transfer

Dave Brown tractorb at ihug.co.nz
Sun Dec 16 20:01:34 UTC 2007


----- Original Message ----- 
From: "Tim Shoppa" <shoppa at trailing-edge.com>
To: <time-nuts at febo.com>
Sent: Monday, December 17, 2007 8:37 AM
Subject: Re: [time-nuts] Time Transfer


snip------

>> Yes, it's interesting to look at the WWV signal wander on the HP 
>> 3586,
>> compared to it's OCXO, and while listening to it on the speaker or 
>> on a
>> receiver. I need to plot it over a 24 hour period or so.
>
> It depends on where you are and how long you average over, but
> by eye I see WWV on 10 and 15 MHz going up and down by tenths of a 
> Hz
> in the several minute timespan from here on the East Coast.

Its also instructive to use a scope triggered off a local PPS and 
watch the timing of the 1 second pips on WWV bounce around.

DaveB, NZ 




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