[time-nuts] any WWV audio recordings available?

Scott Burris slburris at gmail.com
Fri Feb 12 05:40:19 UTC 2010


The GC-1000 keeps declaring the decoding to be invalid partway through 
each minute.
Dean's synthetic WWV gets decoded perfectly and the display turns out 
after 3 complete
minutes.  But the 100Hz level in the synthetic sounds high to me.  Since 
your recording
fades in and out (just like I hear it in LA!), I need to figure out if 
the clock is
having trouble pulling the 100Hz tones out, or if the recording just 
fades too much.

I'm injecting the audio at the volume control, so this is past the AGC, 
so there's
no compensation as the audio fades.  Perhaps that's why I can't decode 
your audio.

Gotta pull out the schematic again and study it.

Scott

Majdi S. Abbas wrote:
> On Tue, Feb 09, 2010 at 07:33:07PM -0800, Scott Burris wrote:
>   
>> Does anyone know if there are any > 5min recordings of WWV audio available?
>> I'm trying to track down some problems with my Heathkit GC-1000 clock and
>> it sure would be nice if I could inject some known good audio
>> recording and see if
>> the clock picks up the time from that.
>>
>> I've found a couple recordings by googling, but they are both too
>> short to be useful.
>>     
>
> 	Try this:
>
> 	(Rather noisy; WWV-5 just now; WWVH-5 in the background.)
>
> 	http://puck.nether.net/~majdi/WWV-5MHZ.wav
>
> 	--msa
>
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