🚀 go-pugleaf

In article <whiskerp.26.0@logica.co.uk> whiskerp@logica.co.uk (Peter
Whisker) writes: "... It seems that the UK has no NTP servers - the
nearest (and the only GMT/BST time zone one) is Trinity College
Dublin..."

The subject of precision time distribution across the Internet arose
in newsgroup sci.astro about a month ago. Here is a relevant followup
from that discussion:
> Newsgroups: sci.astro
> Organization: British Telecommunications plc
> From: jcs@zoo.bt.co.uk (John C Sager)
> Subject: Re: Universal time
> Date: 23 Dec 92 10:47:46 GMT
> 
> In article <DWELLS.92Dec17184737@fits.cv.nrao.edu>, dwells@fits.cv.nrao.edu
> (Don Wells) writes:
> 
> [...]
> 
> > Precision distribution of time across the Internet has been an
> > operational reality for several years, using NTP [Network Time
> > Protocol]. Master ("stratum 1") servers exist in (all?) regional nets
> > of the NSFnet and in most regional nets worldwide, probably including
> > the UK.
> 
> There are several NTP time servers operating in the UK at stratum 1, ie
> they derive their time from an external high-accuracy source. My
> own machine, bear.zoo.bt.co.uk (132.146.40.28), does this normally, taking
> its time reference from a GPS receiver. Its system clock is rarely
> more than 50 microseconds away from UTC, and one ought to be able to
> maintain millisecond accuracy from it in the UK running the latest
> version of xntp3 from louie.udel.edu.
> At this time, and over the Christmas period, my server is at stratum 2
> as I am evaluating the navigation performance of the GPS receiver in my car.
> It will be back to full accuracy in early January 1993.
> 
> John C Sager					Mail:	B67 G18, BT Labs
> Email: jcs@zoo.bt.co.uk				Martlesham Heath
> Tel:	+44 473 642623					IPSWICH  IP5 7RE
> Fax:	+44 473 637614					England


--

Donald C. Wells             Associate Scientist        dwells@nrao.edu
National Radio Astronomy Observatory                   +1-804-296-0277
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