[time-nuts] Symmetricom S200 Antenna Disgnostic and Replacement Recommendation

2017-09-18 Thread John Laur
would prefer to at least test with an appropriate antenna before either risking more damage or deciding to attempt a more invasive repair. Thanks for any info! John Laur K5IT ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] OCXO with ADEV of 1E-13 on Pluto Mission

2015-07-16 Thread John Laur
The link below is an updated version of the same paper: http://www.boulder.swri.edu/~tcase/NH%20RF%20Telecom%20Sys%20ID1369%20FINAL_Deboy.pdf It has considerably more detail on the RF components as well as the USO module for which there is an entire page of additional information and a block diag

[time-nuts] ULA launch of GPS IIF-10

2015-07-15 Thread John Laur
Somewhere along the line I got added to the email blast list from ULA's communications group. I'm not sure I really belong on it, but it's fun to get space news hot off the press from time to time. This morning's message might be an interesting news bit for the time-nuts: > Lift off! ULA Atlas V

Re: [time-nuts] beaglebones, time, web services

2015-07-07 Thread John Laur
A small task queue or message queue would serve the purpose of tying the webserver to the other external tasks: 1) Web server queues job; 2) polls via ajax for status or they could run syncronously. Python is not my forte but there are a number that look like they integrate very well with python. A

Re: [time-nuts] PCI-E Serial Card For Windows NTP?

2015-06-26 Thread John Laur
> However, it has been noted that the Raspberry Pi has some limitations for > this purpose, not the least of which is having a USB connected ethernet port. Windows 7 in particular offers it's own set of trouble. Based on my experiences with both platforms, it will be harder to extract consistent

Re: [time-nuts] More recent information on BG7TBL GPSDO?

2015-04-29 Thread John Laur
be a design choice made by > the > people running the project. There is no way to find out if they have > changed their > design other than buying more devices. That *assumes* that the later > devices > have later firmware versions …. > > Bob > > > On Apr 28, 2015

[time-nuts] More recent information on BG7TBL GPSDO?

2015-04-28 Thread John Laur
dithered?) As this is my first moderately accurate device in the shack, is my best approach just to put it on the shelf, leave it on for a long time, and trust it? I can see how its easy to begin the slide when there is only one clock to stare at skeptically. Thanks, John Laur K5IT