Re: [time-nuts] Cheap jitter measurements

rver to monitor that PPS input but not use it in the clock monkeying algorithm, and then compare what NTP reports for the local clock with what it reports for other NTP peers. --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- t

Re: [time-nuts] On the IETF leap-seconds.list SHA1

and output file that happen to contain them. --jh...@mit.edu John Hawkinson Anders Wallin <anders.e.e.wal...@gmail.com> wrote on Wed, 20 Dec 2017 at 13:51:21 +0200 in

Re: [time-nuts] Weird GPSDO behavior

I would have thought the easy test is to run the GPSDO on battery power (perhaps with a UPS). Maybe that's not so easy? --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] Ships fooled in GPS spoofing attack suggest Russian cyberweapon

three services, that makes them harder to spoof (beyond checking the services against each other)? --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] Can Lady Heather set PC time directly from aTrimbleThunderbolt?

his, but it does happen (esp. on time-nus). And many GPS receivers can be convinced to display GPS system time. So, please don't say "GPS time," because it is ambiguous. But please also don't suggest that when people say "GPS time" they must mean "GPS system time,

Re: [time-nuts] more of a time distribution question

yone who wants to tinker with ntp under OS X. --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Smart Phone time display accuracy...?

Chris Albertson wrote on Fri, 17 Mar 2017 at 14:38:17 -0700 in

Re: [time-nuts] Smart Phone time display accuracy...?

given phone from day to day. And if your threshold is something like half a second, you might think your phone is always good enough, and then have a rude awakening (I did!) when one day it's off by >1 second. --jh...@mit.edu John Hawkinson ___ time-nuts

Re: [time-nuts] wifi with time sync

es not seem to be working. Consumer wifi driver problems are manifestly inappropriate for this list, and trying to do both at once leads to gross confusion :( I know this is my personal opinion and I don't speak with any authority. --jh...@mit.edu John Hawkinson Bob Camp <kb...@n1k.org&g

Re: [time-nuts] wifi with time sync

is your application here? You haven't made it clear. Ping is not representative of what you could get with a wifi using a new technology, which was what was how this thread started, and so the context some of the anwers (esp. mine) are in. Ping is representative of other things, thou

Re: [time-nuts] wifi with time sync

ct: don't trust pings to switches, but pings to idle hosts will be much more meaningful. But still not meaningful on wireless networks. So...can we please stop talking about pings? Thanks. --jh...@mit.edu John Hawkinson ___ time-nuts mailing list

Re: [time-nuts] Using GPSDO as a Refrence for Protable Amateur Radio Microwave Operations

quipment, too.] If you're not designing from the ground-up, then it makes a lot of sense. --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Temp/Humidity control systems?

#motorized-louvers/=14s2pox --jh...@mit.edu John Hawkinson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] NIST UT1 NTP server results

...@mit.edu John Hawkinson Tom Van Baak <t...@leapsecond.com> wrote on Fri, 22 Jul 2016 at 15:14:26 -0700 in <60BA6696E49A4C4FA9F6B5792176F81A@pc52>: > > The current algorithm on the server uses the UT1 offset from > > Circular A with no interpolation. The value changes a

Re: [time-nuts] [LEAPSECS] NIST UT1 NTP server results

S Message list that NIST's UT1 ntp-based time service would be open access beginning in July 2016. Announcement reproduced below. I found your email fairly confusing. --jh...@mit.edu John Hawkinson Message-ID: <25948628.481467094028650.javamail.cmad...@gsb50ml1.ffm.web> Date: Tue,