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[time-freq] Analog TVRO & color burst

Gene Hysner gene at hysner.name
Fri Mar 17 19:42:50 UTC 2006


Here's the URL related to you statement about
NIST.http://tf.nist.gov/general/pdf/1305.pdf. They don't actually send any
time signal to the TV network. What they do is monitor the network color
burst signal and publish drift data for it. Most calibration services are
using GPS now instead of the network color burst.
 
I'm no authority on time. I just remembered that factoid from a publication
of theirs back in the 70s.
 
Gene
 
 


  _____  

From: time-freq-bounces at lists.tapr.org
[mailto:time-freq-bounces at lists.tapr.org] On Behalf Of johnk0gcj at juno.com
Sent: Friday, 17 March 2006 11:13
To: time-freq at lists.tapr.org
Subject: Re: [time-freq] Analog TVRO & color burst



Don't know this for a fact, but I'm told that NIST somehow involves the
color burst of one of the Denver area TV stations in delivering the signal
from Boulder to WWV at Fort Collins. Don't know the why's and wherefore's of
this but seems to support the notion that color burst signals are pretty
dead-on.

John K0GCJ

 

 



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