[time-nuts] Cable Delay Measurements

Joseph Gray jgray at zianet.com
Mon Jul 25 12:17:11 EDT 2005

Thanks, I knew that was the the basic procedure, using a T.I. counter. I was 
hoping someone had a copy of the Agilent appnote, to see if there were any 
more details that would further my understanding.

----- Original Message ----- 
From: "Brian Kirby" <kirbybq at bellsouth.net>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Monday, July 25, 2005 6:46
Subject: [time-nuts] Cable Delay Measurements

> For estimates of cable delay on RG-58 cable or other cable that has a 
> 0.659 velocity factory, you can use 1.542800 nanosecond per foot.
> Best to confirm it.  Use your stations 1 PPS and connect it to a tee at 
> the start input of the time interval counter.  Connect the cable under 
> test to the tee and to the stop input.  Make many measurements and 
> average...
> Brian - N4FMN
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