Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-11-08 Thread Cube Central
I've used that sparkfun part to great success... Works like a charm. Highly recommended! -Randal R. (at CubeCentral) -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Hal Murray Sent: Tuesday, 08 November, 2016 22:13 To:

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Cube Central
Lee, Welcome to the list! I happen to have just installed a Leo Bodnar GPSDO and it is running currently here. It is a *very* nice unit, well thought out, and nicely put together. The price is a bit steep for an entry level device, however I feel it is work it. Another wonderful unit can

Re: [time-nuts] Moving GPSDO

2016-10-17 Thread Cube Central
I had run across this just yesterday: https://www.youtube.com/watch?v=zILwgQhjC_Q He talks about how crystal oscillators are sensitive to movement and changes in gravity. An interesting watch! -Randal (at CubeCentral) -Original Message- From: time-nuts

Re: [time-nuts] For those that insist on using switching power supplies

2016-10-14 Thread Cube Central
er design: https://www.tindie.com/products/arachnidlabs/reload-2/ > On Oct 14, 2016, at 11:00 AM, Cube Central <cubecent...@gmail.com> wrote: > > How would one go about testing power supplies and seeing how noisy they are? > I have the standard suite of tools, an oscilloscope and a little (

Re: [time-nuts] For those that insist on using switching power supplies

2016-10-14 Thread Cube Central
How would one go about testing power supplies and seeing how noisy they are? I have the standard suite of tools, an oscilloscope and a little (dangerous) know-how. I am just not sure what to look for or how to safely hook it up to test. Thanks in advance for any tips! -Randal R.

[time-nuts] GPIB on an HP5335A with TimeLab

2016-10-13 Thread Cube Central
First, let me say that as a novice time-nut using a Prologix GPIB-Ethernet controller and TimeLab for the first time... WOW! THAT IS SO COOL! IT IS AMAZING AND JUST WORKS! NEATO! I really am blown away by this... I have never before been able to do this sort of thing and I am just amazed.

Re: [time-nuts] Inexpensive Alternative to a 5120A

2016-10-07 Thread Cube Central
rming input on the back. Bob - AE6RV.com GFS GPSDO list: groups.yahoo.com/neo/groups/GFS-GPSDOs/info From: Cube Central <cubecent...@gmail.com> To: 'Discussion of precise time and frequency measurement' <time-nuts@febo.com> Sent: Friday, October 7, 2016 1:32

Re: [time-nuts] Inexpensive Alternative to a 5120A

2016-10-07 Thread Cube Central
hobby, even at the low end. But it's probably cheaper than a diet of loose women and beer! Bob - AE6RV - AE6RV.com GFS GPSDO list: groups.yahoo.com/neo/groups/GFS-GPSDOs/info From: Cube Central <cubecent...@

[time-nuts] Inexpensive Alternative to a 5120A

2016-10-07 Thread Cube Central
I saw that someone was using one of these: http://www.microsemi.com/products/timing-synchronization-systems/test-measurement/test-sets/5120a ...and the more I looked at it, the more I wanted one. However, I couldn't get a price for one, but only quotes. This can only mean that they are really

Re: [time-nuts] Vintage Quartz Crystal Manufacturing

2016-09-24 Thread Cube Central
I watched this video totally in awe at how much "hands-on" processing was required. I am not sure what I thought before, but I suppose this level of work was done for most every technical thing back then. I really got a huge kick out of seeing every step of the process. I was also in awe of

[time-nuts] Faulty Tbolt?

2016-09-15 Thread Cube Central
Hi all, long time lurker, novice time-nut. I've had this Tbolt for a while now, and while it appears to be operating normally, I thought that I would ask about the "Temp" or temperature field that is being reported in both TBOLTMON and Lady Heather's. You can see here:

Re: [time-nuts] What's the best Windows 10 ntp client?

2016-09-02 Thread Cube Central
asy to set up and use. I hope that some of this helps. -Randal (at CubeCentral) -----Original Message- From: Cube Central [mailto:cubecent...@gmail.com] Sent: Friday, 02 September, 2016 08:04 To: 'Discussion of precise time and frequency measurement' <time-nuts@febo.com

Re: [time-nuts] What's the best Windows 10 ntp client?

2016-09-02 Thread Cube Central
I would also suggest using NTP. I have set it up and configured it using the directions here ( http://www.satsignal.eu/ntp/setup.html ) and it works very well. One thing to note is that Windows 10 does have the built in capability to set the time for itself, using a variant of SNTP. So I

Re: [time-nuts] Anybody want a Thunderbolt power supply

2016-08-31 Thread Cube Central
With the talk of Thunderbolt power supplies and their qualities, and after seeing the post about the TAPR HPSDR LPU... I am beginning to wonder about the power source I have for mine, as the "Temp" field shown on the following link has always been funny. It seems to track and keep the outputs up

Re: [time-nuts] Anybody want a Thunderbolt power supply?

2016-08-31 Thread Cube Central
I would be interested, I think. Planning ahead for if the one I have for my Thunderbolt fails, I guess. Are there different models or would a photo of the input ports on mine be useful? PS: Funny running into you here! :) -Original Message- From: time-nuts

Re: [time-nuts] FE-5680A commands

2015-06-21 Thread Cube Central
Hi there I've come across the following resources for the one I was fooling with... Here, on the archive of this list: https://www.febo.com/pipermail/time-nuts/2008-June/031663.html Some more information: http://www.leapsecond.com/museum/fei5650a/ A really good PDF here:

Re: [time-nuts] FE-5680A commands

2015-06-19 Thread Cube Central
Hi there I've come across the following resources for the one I was fooling with... Here, on the archive of this list: https://www.febo.com/pipermail/time-nuts/2008-June/031663.html Some more information: http://www.leapsecond.com/museum/fei5650a/ A really good PDF here:

[time-nuts] Raspberry Pi tweaks and custom kernel, was RE: PPS for NTP Server - How Close Is Good Enough?

2015-06-12 Thread Cube Central
Hi Max! Thanks for the information, I was wondering if you had documented what you did to your Raspberry Pi so that it might be reproducible to someone like me (a newcomer time-nut and intermediate Linux user) ... you had said: Here is what I have been able to do with a Motorola Oncore UT+

Re: [time-nuts] PPS for NTP Server - How Close Is Good Enough?

2015-06-12 Thread Cube Central
Ed, first of all, welcome to the mail list! I have been lurking here for some time now and wanted to try an apply what I have learned about NTP to your question. I, too, haven't posted on here before, so please forgive me if I have quoted his question wrong, and replied incorrectly. I

Re: [time-nuts] PPS for NTP Server - How Close Is Good Enough?

2015-06-10 Thread Cube Central
Ed, first of all, welcome to the mail list! I have been lurking here for some time now and wanted to try an apply what I have learned about NTP to your question. I, too, haven't posted on here before, so please forgive me if I have quoted his question wrong, and replied incorrectly. I