Re: [time-nuts] AVAR - S_Y conversion

2015-03-12 Thread Wolfgang Wallner
Hello Tom, hello time-nuts, Have a look at the 20 plots in: http://leapsecond.com/pages/allan/Exploring_Allan_Deviation_v2.pdf Thanks for sharing the data and the PDF! It's good to have reference values. I also had a look at the stable32 user manual [1] to see how it calculates the PSD

Re: [time-nuts] Seeking Racal 9480 Manuals

2015-03-12 Thread George Atkinson
Hi, Yes I have the Operators and service manuals. I'll send the PDFs to your email address. Robert G8RPI. On 12 March 2015 at 06:06, cfo xne...@luna.dyndns.dk wrote: Gents I just got a Racal 9480 w. OCXO and 40x10MHz outputs I can't find any user or service manuals for this unit. Can

Re: [time-nuts] Seeking Racal 9480 Manuals

2015-03-12 Thread Charles Steinmetz
Robert wrote: I have the Operators and service manuals. I'll send the PDFs to your email address. Perhaps you could also post them to Didier's site for posterity: http://www.ko4bb.com/manuals/UploadInstructions.php Best regards, Charles ___

Re: [time-nuts] Opamp datasheet noise specs and their relation to phase noise

2015-03-12 Thread Stephan Sandenbergh
Thank you Charles for the detailed answer. Any good texts on the subject that you can recommend? At the moment I have the books written by Motchenbacher and Henry Ott. NIST papers are another obvious source, but sometimes it is a little hard to fill in, or understand, the details without

Re: [time-nuts] Seeking Racal 9480 Manuals

2015-03-12 Thread George Atkinson
Done. On 12 March 2015 at 18:39, Charles Steinmetz csteinm...@yandex.com wrote: Robert wrote: I have the Operators and service manuals. I'll send the PDFs to your email address. Perhaps you could also post them to Didier's site for posterity:

Re: [time-nuts] Seeking Racal 9480 Manuals

2015-03-12 Thread Dan Rae
On 3/12/2015 1:47 PM, George Atkinson wrote: Done. But you might want to get Didier to correct the file names, they show as 9840... Dan ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

[time-nuts] Seeking Racal 9480 Manuals

2015-03-12 Thread cfo
Gents I just got a Racal 9480 w. OCXO and 40x10MHz outputs I can't find any user or service manuals for this unit. Can anyone help out here ? I don't even know if the OCXO labeled Frequency Standard 11-7038 is an Opt 04A or 04F. TIA CFO - Denmark -- E-mail:xne...@luna.dyndns.dk

Re: [time-nuts] NTP stratum 1 appliances with different (GPS, etc) cores...

2015-03-12 Thread Chris Albertson
On Mon, Mar 9, 2015 at 4:19 PM, Bob Darlington rdarling...@gmail.com wrote: I run a Symmetricom Syncserver S300 at home and am trying to convince the fine folks at work that running ntpdate every 15 minutes is about the worst possible way to set time. Best way to explain the difference is to