Re: [time-nuts] NTP IRIG config help

2011-03-09 Thread Jim Kusznir
It has Demodulated IRIG as its main IRIG output, but it does have one Modulated IRIG. Others have told me I want the Modulated IRIG; I honestly don't know what the differences are, and I haven't gotten out a scope to see. --Jim On Tue, Mar 8, 2011 at 4:25 AM, Rob Kimberley

Re: [time-nuts] NTP IRIG config help

2011-03-09 Thread Jim Kusznir
Thanks for the info! I was adjusting the levels with alsamixer, which I suspect is a digital mixer. I hadn't thought of the potential issues there. I was using the onboard sound, but I also have a higher quality Soundblaster sound card. Do some of these vary in quality so much as to be unable

Re: [time-nuts] NTP IRIG config help

2011-03-09 Thread Jim Kusznir
My clock generates a couple variants of IRIG-B. I wasn't able to find docs on what variant of IRIG-B that NTP expects. I know one variant (which I tested, but am not using, nor do I expect to work) is high precision, and is supposed to include the same accuracy as standard IRIG-B + 1kPPS. --Jim

[time-nuts] NTP IRIG config help

2011-03-07 Thread Jim Kusznir
Hello: I'm not sure if this is the right place; I've been having trouble finding current info / discussions on NTP on linux. I have a SEL 2407 clock (http://www.selinc.com/sel-2407/) that I was trying to make more useful by providing NTP service to the university (and others). This clock has