[time-nuts] Delay through GPS antenna splitter/amplifier -- an answer, and a question

[Magnus Danielson]

From: John Ackermann N8UR <jra at febo.com>
Subject: Re: [time-nuts] Delay through GPS antenna splitter/amplifier -- an answer, and a question
Date: Mon, 12 Mar 2007 12:04:06 -0400
Message-ID: <45F579F6.2070501 at febo.com>

> But we're time-nuts... we DO worry about those things. :-)

Indeed!

Oh my goodness, the PPS is 10 ps late due to unmatched cable-lag! What should I
dooooo? (For the egg-clock in the kitchen)

> While we were at it with the network analyzer, we did FDR (frequency 
> domain reflectometry) to measure the cable delay to the antenna, and I 
> spent yesterday making up six matched cables to go from the splitter to 
> the receivers -- they all test within about 1 nanosecond of each other.

I would use TDR/TDT for that. :)

> Obsessive compulsive?  Me?

Naaa....

Cheers,
Magnus