Hi Chris! I have a week's worth of data now... Take a look at these graphics
http://www.flickr.com/photos/miguelbarbosagoncalves/8955346508/ and http://www.flickr.com/photos/miguelbarbosagoncalves/8955346522/ One of them shows is the plot of the loopstats of my stratum 1 server. The other one shows the offset determined every minute of their servers compared to mine. On 28 May 2013 16:11, Chris Albertson <albertson.ch...@gmail.com> wrote: > The "stratum 2" servers are by definition not connected to GPS. They get > their time from some other NTP server that is connected to an authoritative > clock which may or may not be GPS. It looks like the "red server" has > I know that but I would expect good stratum 2 servers if they are keeping their stratum 1 servers private and not available to the public. > rather smooth swings over around a "handful" of milliseconds. This is to > be excepted. It is within the normal range of what NTP does. Perhaps it > is a Windows PC running in some room where the temperature changes and the > network that connects it to the strum 1 server is loaded. I don't know but > a handful of milliseconds is in the normal range. Yes it could be better. > I don't believe it is a Windows server but I could be wrong... > Also the curve is somewhat smooth. It does not look like noise from a busy > network. It looks like their server really is moving around. > I believe they are on the same network. It looks like a temperature problem really. Thanks for all the input! Kind regards, Miguel _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.