Didier Juges wrote: > John, > > I knew we had that conversation before, you gave me your scripts when I was > writing my Visual Basic program to do the same thing under Windows. This > program is in a perpetual state of being messed with to reach ever changing > objectives, but I have been using it for various logging experiments. > > I bought my HP 59307A for something like $10 on eBay. > > Didier > > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of John Ackermann N8UR >> Sent: Saturday, December 01, 2007 7:35 AM >> To: Discussion of precise time and frequency measurement >> Subject: Re: [time-nuts] Of rubidium life and piggy-bank anemia.... >> >> Didier Juges said the following on 12/01/2007 12:56 AM: >> >>> Maybe quasi-simultaneously is adequate, using a switch to >>> >> sample the 3 >> >>> pairs in rotation. >>> >>> The HP59307A can be used for that under GPIB control. >>> >> If anybody's interested, I have a perl script (running under >> Linux, using the linux-gpib tools) that controls a 59307A and >> HP 5334A to do long-term logging of four PPS sources against >> each other. >> >> It takes a 100 second average of each PPS source >> sequentially; I end up with six log files, each with a tau of >> 600 seconds: CS1-GPS, CS2-GPS, RB1-GPS, CS1-CS2, CS1-RB1, and CS2-RB1. >> >> If anyone's interested, I'd be happy to make that program >> available, though it's not polished up for distribution. >> >> The data files from this program are the basis for phase and >> adev plots at http://www.febo.com/plots/ which are updated >> hourly. The software that generates those plots is called >> stable-stats and is available for download at >> http://www.febo.com/time-freq/tools/. (Unfortunately, at the >> moment the plots are out of date as we had a power failure >> last week and I don't have the clocks reset yet; that's a >> project for this weekend.) >> >> John >> >> _______________________________________________ >> This technique creates the issue of how to correct for the effects of deadtime.
Bruce _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
