How widely spread is your network?
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Sent from my BlackBerry Wireless thingy while I do other things...
-----Original Message-----
From: "Ralph Smith" <ra...@ralphsmith.org>
Sender: time-nuts-boun...@febo.com
Date: Thu, 9 Sep 2010 11:37:46
To: <time-nuts@febo.com>
Reply-To: Discussion of precise time and frequency measurement
<time-nuts@febo.com>
Subject: [time-nuts] Timing Distribution in Mountainous Terrain
We have a requirement for approximately ten radio sites to be synchronized
to within 30 ns of each other. Ordinarily you could throw in an
appropriate GPSDO and be done with it. However, we also have the
reqirement to be able to operate independent of GPS for up to six days. If
we were able to have each site within line of sight of another, and could
form a network including all sites, we could do differential time
measurement between the mutually visible sites and correct in that way.
Unfortunately, that is not the case. Absolute time accuracy is not
critical, but relative time accuracy is. Does anyone out there have any
ideas?
Thanks,
Ralph
AB4RS
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