Re: [ntp:questions] Does the EU or European country have an equivalent of http://www.usno.navy.mil ?

2008-10-13 Thread Brian Inglis
://www.pool.ntp.org Please read the docs until you understand why you should rarely connect to a stratum 1 time server unless you run such inhouse -- Thanks. Take care, Brian Inglis Calgary, Alberta, Canada [EMAIL PROTECTED] (Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca) fake address

Re: [ntp:questions] NTP sever on an isolated Network

2009-01-13 Thread Brian Inglis
(if you can find one with greater than 8V. It takes 8-30 V input)) *Careful* - the Garmin GPS 18x Tech Spec warns that the (supplied) cigarette lighter adapter takes 8-30V, not the unit, so that adapter reduces the supplied voltage to the required 4.5-5.5V. -- Thanks. Take care, Brian Inglis

Re: [ntp:questions] NTP sever on an isolated Network

2009-01-19 Thread Brian Inglis
anything much different from the PC unit itself, other than no PPS. ;^ -- Thanks. Take care, Brian Inglis Calgary, Alberta, Canada brian.ing...@csi.com(Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca) fake addressuse address above to reply

Re: [ntp:questions] Sudden drop in frequency after software update

2009-01-19 Thread Brian Inglis
peak-to-peak. I'm pretty sure I've seen much worse. Is spread specturm clock signal generation (EMI reduction) disabled for the CPU and buses in the firmware? That can cause these variations. ISTR it being mentioned in the FAQ. -- Thanks. Take care, Brian Inglis Calgary, Alberta

Re: [ntp:questions] Start of new GPS 1024 week epoch

2013-08-11 Thread Brian Inglis
On 2013-08-11 00:44, David Taylor wrote: Today is the start of a new GPS 1024 week epoch - see: http://adn.agi.com/GNSSWeb/ Folks with really old GPS units are reporting problems, those of us with current millennium GPS receivers should be OK, though. You must have been looking at 1999!

Re: [ntp:questions] Trying to use Dimension 4 time keeper

2013-09-08 Thread Brian Inglis
On 2013-09-08 11:51, W. eWatson wrote: On 9/7/2013 9:16 PM, David Taylor wrote: On 07/09/2013 22:38, W. eWatson wrote: I'm told that Dimension 4 is an accurate time keeper. http://www.thinkman.com/dimension4/ I downloaded it and installed it. It's freeware, but would appreciate a $10 donation.

Re: [ntp:questions] Trying to use Dimension 4 time keeper

2013-09-13 Thread Brian Inglis
On 2013-09-13 17:41, W. eWatson wrote: On 9/13/2013 3:29 PM, E-Mail Sent to this address will be added to the BlackLists wrote: W. eWatson wrote: Where do I execute this from? Run? c:\Program Files\NTP\bin\ntpq -pn Likely the correct path. Run: cmd doesn't work there. c:\Program

Re: [ntp:questions] Trying to use Dimension 4 time keeper

2013-09-14 Thread Brian Inglis
On 2013-09-13 22:48, W. eWatson wrote: On 9/13/2013 4:41 PM, W. eWatson wrote: On 9/13/2013 3:29 PM, E-Mail Sent to this address will be added to the BlackLists wrote: W. eWatson wrote: Where do I execute this from? Run? c:\Program Files\NTP\bin\ntpq -pn Likely the correct path. Run: cmd

Re: [ntp:questions] Reasons of NTP not to use GPS source

2013-09-17 Thread Brian Inglis
On 2013-09-16 01:00, Igor Pavlov wrote: Hi! I am using GPS-receiver based on Geos-1m chip ( http://www.geostar-navigation.com/en/navigation_05.html) I connected it to serial port and configured NTP. It becomes unused by NTP: when do ntpq -p reuest ti puts x near GPS_NMEA(1) record. What

Re: [ntp:questions] debugging level in ntp.conf

2013-09-18 Thread Brian Inglis
On 2013-09-18 01:26, Riccardo Castellani wrote: Which entry I have to add to ntp.conf to increase log level for daemon ? I found no documents about it, I can add only '-d' or '-D' option to 'ntp' but only if I run EXE file directly from shell. # Log everything logconfig =allall # Save clock

[ntp:questions] statistics command defined in docs?

2013-09-18 Thread Brian Inglis
On 2013-09-18 09:25, Brian Inglis wrote: Not seeing statistics command under Command Index or Monitoring Options: http://www.eecis.udel.edu/~mills/ntp/html/comdex.html http://www.eecis.udel.edu/~mills/ntp/html/monopt.html nor elsewhere under html: grep -i statistics against local copies

Re: [ntp:questions] Odd reachability with local clock on XP

2013-10-11 Thread Brian Inglis
On 2013-10-11 14:33, mike cook wrote: Le 11 oct. 2013 à 19:36, Brian Inglis a écrit : On 2013-10-11 02:14, mike cook wrote: Le 11 oct. 2013 à 00:18, David Woolley a écrit : On 10/10/13 16:57, mike cook wrote: ntp disciplined system clockfrequency 35,838 ppm date time

Re: [ntp:questions] ntp.conf on FreeBSD

2013-10-12 Thread Brian Inglis
On 2013-10-12 11:03, unruh wrote: On 2013-10-12, Steve Kostecke koste...@ntp.org wrote: On 2013-10-12, Charles Elliott elliott...@verizon.net wrote: I built a NAS using FreeNAS, which is in turn based on FreeBSD, which has ntpd installed. I need to find ntp.conf so I can configure it for

Re: [ntp:questions] ntp.conf on FreeBSD

2013-10-12 Thread Brian Inglis
On 2013-10-12 13:40, unruh wrote: On 2013-10-12, Brian Inglis brian.ing...@systematicsw.ab.ca wrote: On 2013-10-12 11:03, unruh wrote: On 2013-10-12, Steve Kostecke koste...@ntp.org wrote: On 2013-10-12, Charles Elliott elliott...@verizon.net wrote: I built a NAS using FreeNAS, which

[ntp:questions] NTP Setup and Pool Promotion

2013-10-12 Thread Brian Inglis
Few people have much if any awareness of NTP, nor our interest in it, even admins, for which it is just a small part of system setup. It is better if more use it and the defaults do no harm. IMO more setups should default to the explicit pool statement, allow selection only from country and

[ntp:questions] NTP Setup and Pool Promotion

2013-10-12 Thread Brian Inglis
Few people have much if any awareness of NTP, nor our interest in it, even admins, for which it is just a small part of system setup. It is better if more use it and the defaults do no harm. IMO more setups should default to the explicit pool statement, allow selection only from country and

Re: [ntp:questions] NTP clients

2013-10-29 Thread Brian Inglis
On 2013-10-26 06:20, Steve Kostecke wrote: On 2013-10-26, Harlan Stenn st...@ntp.org wrote: Please see http://www.eecis.udel.edu/~mills/ntp/html/miscopt.html#enable for the monitor directive, and perhaps also http://www.eecis.udel.edu/~mills/ntp/html/miscopt.html#mru The documenation at

[ntp:questions] WinNT Port Performance Counter Stability and Drift

2013-11-07 Thread Brian Inglis
into System Management Mode BIOS at random, mainly to handle USB devices like mice, keyboards, drives. See http://lists.freebsd.org/pipermail/freebsd-amd64/2012-July/014756.html, links from that, and similar articles on the LKML and MSDN. -- Take care. Thanks, Brian Inglis 12 Oct 17:03:41 ntpd[2968

Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift

2013-11-08 Thread Brian Inglis
: Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift On 07/11/2013 22:15, Brian Inglis wrote: From the attached extract from my ntp log the current performance counter appears to have much higher drift ~25PPM than my hardware clock; my own calibration, timings, and loopstats

Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift

2013-11-08 Thread Brian Inglis
and possibly even cpus, although doing my own process affinity wiring to ntpd eliminates that possible variable. On 2013-11-07 23:58, David Taylor wrote: On 07/11/2013 22:15, Brian Inglis wrote: From the attached extract from my ntp log the current performance counter appears to have much higher drift

Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift

2013-11-08 Thread Brian Inglis
: Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift On 07/11/2013 22:15, Brian Inglis wrote: From the attached extract from my ntp log the current performance counter appears to have much higher drift ~25PPM than my hardware clock; my own calibration, timings, and loopstats

Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift

2013-11-08 Thread Brian Inglis
: Re: [ntp:questions] WinNT Port Performance Counter Stability and Drift On 07/11/2013 22:15, Brian Inglis wrote: From the attached extract from my ntp log the current performance counter appears to have much higher drift ~25PPM than my hardware clock; my own calibration, timings, and loopstats

Re: [ntp:questions] how did ntp service set the maxallowphaseoffset

2013-11-18 Thread Brian Inglis
MaxAllowedPhaseOffset except for different service levels: The default value for domain members is 300. The default value for stand-alone clients and servers is 1. and the W32tm slew requirement: |CurrentTimeOffset| / (PhaseCorrectRate*UpdateInterval) SystemClockRate / 2 -- -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] how did ntp service set the maxallowphaseoffset

2013-11-19 Thread Brian Inglis
. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] how did ntp service set the maxallowphaseoffset

2013-11-19 Thread Brian Inglis
On 2013-11-19 00:57, David Woolley wrote: On 19/11/13 02:45, Brian Inglis wrote: W32tm is an SNTP service intended to synchronize time on workstations in a domain to a domain controller at intervals. w32time WAS such a service, and possibly still is out of the box. However, give or take

Re: [ntp:questions] how did ntp service set the maxallowphaseoffset

2013-11-19 Thread Brian Inglis
. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Slow convergence loopstats (but nice results)

2013-11-22 Thread Brian Inglis
? Loopstats offset/jitter should track your ref clock peerstats offset/jitter exactly, and comparing to your clockstats may point you to causes. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org

Re: [ntp:questions] Slow convergence loopstats (but nice results)

2013-11-22 Thread Brian Inglis
On 2013-11-22 14:12, unruh wrote: On 2013-11-22, Brian Inglis brian.ing...@systematicsw.ab.ca wrote: On 2013-11-22 09:19, schmidt.r...@gmail.com wrote: I have just written a PHC driver for NTP and tested it on this system: Supermicro SYS-50150EHF-D525 which has a pair of Intel 82574L NICs

Re: [ntp:questions] NTP not syncing

2013-11-25 Thread Brian Inglis
localhost6 and if you have other admin servers you can add similar statements with their DNS names. I look forward to others correcting any bad assumptions I picked up from old releases. ;^ -- Take care. Thanks, Brian Inglis ___ questions mailing list questions

[ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-25 Thread Brian Inglis
of this automatically? -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-26 Thread Brian Inglis
On 2013-11-26 08:22, Martin Burnicki wrote: Brian Inglis wrote: On 2013-11-25 07:36, Martin Burnicki wrote: Also, if you don't limit the upper bounds of the polling interval by maxpoll 6 you may run into this bug: NTP Bug 2341 - ntpd fails to keep up with clock drift at poll 7 http

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-27 Thread Brian Inglis
On 2013-11-27 10:26, Martin Burnicki wrote: Brian Inglis wrote: On 2013-11-26 08:22, Martin Burnicki wrote: Brian Inglis wrote: [...] As I said above, on Windows stable, with only network servers, and normal maxpoll 10, as the poll interval increases, the FLL kicks in to drive

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-27 Thread Brian Inglis
On 2013-11-27 23:15, Michael Tatarinov wrote: 2013/11/28, Brian Inglis brian.ing...@systematicsw.ab.ca: Running on AMD quad with stepping disabled in BIOS and fixes for TSC. Tried to force TSC with HTPD_PCC=1 but ntpd switched to using HPET! No apparent difference before/after. Did you mean

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-27 Thread Brian Inglis
On 2013-11-27 23:15, Michael Tatarinov wrote: 2013/11/28, Brian Inglis brian.ing...@systematicsw.ab.ca: Running on AMD quad with stepping disabled in BIOS and fixes for TSC. Tried to force TSC with HTPD_PCC=1 but ntpd switched to using HPET! No apparent difference before/after. Did you mean

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-11-28 Thread Brian Inglis
On 2013-11-28 00:46, xiaoniao112...@gmail.com wrote: 在 2013年11月28日星期四UTC+8下午3时11分23秒,Brian Inglis写道: On 2013-11-27 23:15, Michael Tatarinov wrote: 2013/11/28, Brian Inglis brian.ing...@systematicsw.ab.ca: Running on AMD quad with stepping disabled in BIOS and fixes for TSC. Tried to force

Re: [ntp:questions] NTP Bug 2328 - Vista/Win7 time keeping inaccurate and erratic

2013-11-28 Thread Brian Inglis
residuals of quantized or rounded data, so the output data is as smooth (in either a visible or virtual sense) as possible. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP Bug 2328 - Vista/Win7 time keeping inaccurate and erratic

2013-11-29 Thread Brian Inglis
On 2013-11-29 05:14, Martin Burnicki wrote: Brian Inglis schrieb: On 2013-11-28 02:31, Martin Burnicki wrote: On the other hand, as far as I know, there is no new API to apply adjustments to the Windows system time more smoothly. Mention of smooth reminded me of using Bresenham's algorithm

Re: [ntp:questions] I need help about Time Server DNS Names

2013-12-02 Thread Brian Inglis
Then pool.ntp.org is your best friend! On 2013-12-02 07:39, mike cook wrote: ntp.org is your friend. Le 2 déc. 2013 à 14:29, Jhake Jacobo a écrit : I need an IP address of FREE server time.. tnx -- Take care. Thanks, Brian Inglis ___ questions

Re: [ntp:questions] I need help about Time Server DNS Names

2013-12-02 Thread Brian Inglis
Then pool.ntp.org is your best friend! On 2013-12-02 07:39, mike cook wrote: ntp.org is your friend. Le 2 déc. 2013 à 14:29, Jhake Jacobo a écrit : I need an IP address of FREE server time.. tnx -- Take care. Thanks, Brian Inglis ___ questions

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-12-02 Thread Brian Inglis
local servers for those times when interconnects fail and only local servers are reachable. One thing I have noticed is that my NTP clock (HPET) is being reported as having ~28PPM drift where my hardware is only ~.9PPM! -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-12-02 Thread Brian Inglis
On 2013-12-02 13:10, Harlan Stenn wrote: Brian Inglis writes: When I ran current stable under Win 7 with only network servers I found I had to drop minpoll to 4 (default is 6) so iburst would quickly get a good offset and pull drift down from initial out-to-lunch estimate compared to drift

Re: [ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll7

2013-12-02 Thread Brian Inglis
On 2013-12-02 10:07, David Taylor wrote: On 02/12/2013 16:24, Brian Inglis wrote: [] When I ran current stable under Win 7 with only network servers I found I had to drop minpoll to 4 (default is 6) so iburst would quickly get a good offset and pull drift down from initial out-to-lunch estimate

Re: [ntp:questions] NTP not syncing

2013-12-06 Thread Brian Inglis
in Linux be required in the Windows port? -- Take care. Thanks, Brian Inglis On 2013-12-06 03:27, Charles Elliott wrote: You might be able to do better. In QC an average of a randomly gathered sample of a continuous variable is distributed as normal (Gaussian). If NTPD kept a few more statistics (state

Re: [ntp:questions] NTP not syncing

2013-12-06 Thread Brian Inglis
the place. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP not syncing

2013-12-08 Thread Brian Inglis
On 2013-12-06 11:05, unruh wrote: On 2013-12-06, Brian Inglis brian.ing...@systematicsw.ab.ca wrote: It would be better if ntpd used the drift file frequency for the first two hours, instead of 15 minutes, before coming up with its (currently wild assed) guesstimate, and then spending 4 hours

Re: [ntp:questions] FreeBSD recipe to setup for timekeeping

2013-12-11 Thread Brian Inglis
and timers than I thought I needed to know on the weekend! -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] FreeBSD recipe to setup for timekeeping

2013-12-12 Thread Brian Inglis
On 2013-12-11 11:35, unruh wrote: On 2013-12-11, Brian Inglis brian.ing...@systematicsw.ab.ca wrote: On 2013-12-10 15:05, unruh wrote: On 2013-12-10, Hal Murray hal-use...@ip-64-139-1-69.sjc.megapath.net wrote: Does anybody have a URL for a page that describes how to setup a FreeBSD system

Re: [ntp:questions] Roof antenna, which one, would you bother?

2014-01-03 Thread Brian Inglis
Hart bought and used these devices. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Roof antenna, which one, would you bother?

2014-01-05 Thread Brian Inglis
On 2014-01-04 05:01, David Taylor wrote: On 03/01/2014 19:58, Brian Inglis wrote: [] Instructions are on David Taylor's site at http://www.satsignal.eu/ntp/FreeBSD-GPS-PPS.htm#usb I simplified the wiring shown in the above link by connecting all +5V power leads to pin 6 DSR. [] That's a good

Re: [ntp:questions] enable pps not working from ntp.conf

2014-01-07 Thread Brian Inglis
://doc.ntp.org/4.2.6/miscopt.html so it looks like it was dropped in the initial 4.2.6 release, but the command summary lines still need cleaned up in miscopt.html docs for 4.2.6+. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions

Re: [ntp:questions] enable pps not working from ntp.conf

2014-01-08 Thread Brian Inglis
default noquery nomodify notrap nopeer # IPv4 restrict -6 default noquery nomodify notrap nopeer # IPv6 restrict 192.168.1.0 # allow local domain restrict 127.0.0.1 # allow local host ==end== I'm using 4.2.6p5. TIA, Dennis -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] enable pps not working from ntp.conf

2014-01-08 Thread Brian Inglis
so that several pps devices can run at the same time so you'd lose that functionality. ...but that is not required for a single device -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo

Re: [ntp:questions] better rate limiting against DDoS amplification attacks?

2014-01-09 Thread Brian Inglis
reductions of public and pool server availability, and higher loads on those well known sources still accessible. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] How is the NTP build tested?

2014-01-13 Thread Brian Inglis
packets, but is it a bad thing that chrony then uses those packets very differently? I would say not. Besides the U Del ntp-dev release, the NTP.org stable release, and chrony, there is also the OpenBSD derived OpenNTPd implementation to choose from. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] need option to ignore 'leap not in sync error'

2014-01-21 Thread Brian Inglis
of the local clock driver, you could configure all servers with the client stratum as the orphan stratum. Orphan mode will be disabled as soon as the prefer peer upstream source is available and the prefer peer again becomes the source for the downstream servers. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] simple nt.conf cases for ntp-client

2014-01-23 Thread Brian Inglis
DLM's recommendation? ;^ -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] simple nt.conf cases for ntp-client

2014-01-24 Thread Brian Inglis
Process -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP request retry?

2014-01-26 Thread Brian Inglis
about changing ARP timeouts: http://www.embeddedsystemtesting.com/2013/01/arp-timeout-value-for-linux-windows.html http://support.microsoft.com/kb/949589 -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http

Re: [ntp:questions] NTP request retry?

2014-01-27 Thread Brian Inglis
On 2014-01-27 14:45, Rob wrote: Rick Jones rick.jon...@hp.com wrote: Brian Inglis brian.ing...@systematicsw.ab.ca wrote: You don't specify which system and devices you are using, so here are a couple of articles about changing ARP timeouts: http://www.embeddedsystemtesting.com/2013/01/arp

[ntp:questions] Greenwich Time and Longitude

2014-02-06 Thread Brian Inglis
- the link is to an online and downloadable document comprehensively referencing the histories of the distribution of standard times, the establishment of standard time zones, and some of the absurdities uncovered. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] London Metro newspaper misrepresent NTP amplification attack.

2014-02-12 Thread Brian Inglis
=NTP+attack+DDOS+OR+reflection+OR+amplificationoq=NTP+attack+DDOS+OR+reflection+OR+amplificationhl=entbm=nws -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Score is drop in cycles

2014-02-14 Thread Brian Inglis
Mingda Wang -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Remote access to http based service

2014-02-14 Thread Brian Inglis
00 0 0 889.2 UTC(NIST) * Connection closed by foreign host. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP and DoS attacks

2014-02-22 Thread Brian Inglis
at the moment. Maybe it's under attack? :) The site was unreachable after Harlan posted the night before thru yesterday morning. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

[ntp:questions] USTiming.org and Certichron sites out for a week

2014-02-22 Thread Brian Inglis
Anyone know why USTiming.org and Certichron sites have been down for the last week? Nothing relevant mentioned on Google or any lists. Wondered if they might have been blocked as a reflector of recent DDoS attacks? -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] Linux kernel bug in 3.12, low_latency on serial ports is broken

2014-02-23 Thread Brian Inglis
criteria. How about suggesting no degradation in kernel PPS performance after change? That should be measurable within the kernel and externally with ntpd. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org

Re: [ntp:questions] Win7 NTP-dev NMEA User Mode PPS, Freq_Mode Not Working

2014-02-27 Thread Brian Inglis
On 2014-02-27 05:21, David Taylor wrote: On 27/02/2014 08:37, Brian Inglis wrote: Hi folks, Tried testing latest NTP-dev 4.2.7p424 from DJT site on Windows 7 x64 with UTC RTC and Garmin 18x LVC with DCD PPS sending RMC only in NMEA 2.3+ mode @ 9600. NTPd running at realtime priority affinity

Re: [ntp:questions] error message on startup

2014-03-01 Thread Brian Inglis
; init.d script location, permissions, any userid specified in init script, init startup order relative to service dependencies, possibly chkconfig settings in the script and on the system. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions

Re: [ntp:questions] Meinberg Configuration Help

2014-03-01 Thread Brian Inglis
and recommends restrict default noquery [and possibly other no... options] or you could use restrict default ignore; also add disable monitor. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org

Re: [ntp:questions] Win7 NTP-dev NMEA User Mode PPS, Freq_Mode Not Working

2014-03-04 Thread Brian Inglis
On 2014-03-04 03:12, Martin Burnicki wrote: Brian Inglis wrote: Can not use signed kernel mode PPS driver (32 bit?) with my 64 bit PCI serial card drivers - it seems to be ignored. Signed 32 and 64 bit versions of the serialpps driver are available in this ZIP file: http://support.ntp.org

Re: [ntp:questions] Help with cross-compiling NTP for the Raspberry Pi requested

2014-03-07 Thread Brian Inglis
, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Time of by 4 min

2014-03-13 Thread Brian Inglis
NTP DDoS amplification attacks earlier this year, and HNAP1 router attacks probably have not helped lessen the load on downstream and ISP networking staffs, who may be implementing mitigations without due consideration for side effects. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] Indirect GPS time source options

2014-03-13 Thread Brian Inglis
, install, and set it up for you. All OEM timing receivers typically perform much better than hand held devices, and the gold standard seems to be the Trimble Thunderbolt, available locally from Novotech in Pointe Claire near Montreal. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

2014-03-18 Thread Brian Inglis
to 10-20ns. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

2014-03-19 Thread Brian Inglis
On 2014-03-19 03:30, Martin Burnicki wrote: Brian Inglis wrote: On 2014-03-18 02:59, Martin Burnicki wrote: All depends on how accurate and precise you can get your timestamps, and this is probably easier with network packet timestampers at both sides of a cable than with a wireless time

Re: [ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

2014-03-19 Thread Brian Inglis
On 2014-03-19 12:01, E-Mail Sent to this address will be added to the BlackLists wrote: Brian Inglis wrote: Martin Burnicki wrote: At the single nanosecond accuracy level it would also be important to *which* local realizations UTC(k) you are referring, UTC(NIST), UTC(USNO), UTC(PTB

Re: [ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

2014-03-19 Thread Brian Inglis
On 2014-03-19 16:32, Paul wrote: On Wed, Mar 19, 2014 at 6:16 PM, Brian Inglis brian.ing...@systematicsw.ab.ca wrote: Each constellation has its own epoch, TAI or UTC time scale, and uncertainty: I'm unclear how various time scales relate to PTP. It would appear that the design intent

Re: [ntp:questions] Quality vs. Quantity

2014-03-24 Thread Brian Inglis
is inaccurate, because of the additional delay and jitter added by passing twice through the front end. I would expect the load balancer to only provide the IP addresses of the currently lowest loaded and highest quality servers closest to the client, as the NTP Pool does. -- Take care. Thanks, Brian

Re: [ntp:questions] [Android+NTP] synchronise time with millisecond accuracy

2014-03-26 Thread Brian Inglis
Taylor reports on Wifi at http://satsignal.eu/ntp/Win-7-Wi-Fi-vs-LAN.html and you can look at stats for NTP systems on his Wifi at http://satsignal.eu/mrtg/daily_ntp.html or http://satsignal.eu/mrtg/performance_ntp.php#wifi with averages from .75-3ms and max about 6ms. -- Take care. Thanks, Brian

Re: [ntp:questions] [Android+NTP] synchronise time with millisecond accuracy

2014-03-26 Thread Brian Inglis
Inglis -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] ntpd access restrictions: Server allowed works only with ipaddress

2014-03-28 Thread Brian Inglis
and to be friendly add to ntp.conf: restrict timeserver1-hostname nomodify restrict timeserver2-hostname nomodify -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Event log configuration?

2014-04-16 Thread Brian Inglis
logconfig =allall -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] questions] Automatic time synchronization of local hw clock.

2014-04-19 Thread Brian Inglis
or no DST) by subtracting your UTC offset or using a UTC reference. Save and Exit BIOS setup and continue rebooting. Windows will come up using the RTC time directly to set the system to UTC but your logon time zone settings will be used normally for display. -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] Issues installing ntpd on Win 7

2014-04-28 Thread Brian Inglis
:/ProgramData/NTP/etc/ntp.conf If all else fails, try a restart, then an uninstall, then another restart, then another install, then maybe another restart. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http

Re: [ntp:questions] Can NTP sync within 12us for NBFM

2014-04-28 Thread Brian Inglis
, multiplies, and filters the result to the FM carrier frequency, could a phase error more than 12us/s (PPM) possibly generate either a significant signal distortion, and/or unwanted harmonics within the filter passband? -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] Can NTP sync within 12us for NBFM

2014-04-29 Thread Brian Inglis
On 2014-04-29 00:47, David Woolley wrote: On 29/04/14 03:59, Brian Inglis wrote: I understand that the NBFM transmitter starts with phase modulation then integrates, multiplies, and filters the result to the FM carrier frequency You are confusing carrier phase and audio phase. I omitted

Re: [ntp:questions] Can NTP sync within 12us for NBFM

2014-04-29 Thread Brian Inglis
On 2014-04-29 00:47, David Woolley wrote: On 29/04/14 03:59, Brian Inglis wrote: I understand that the NBFM transmitter starts with phase modulation then integrates, multiplies, and filters the result to the FM carrier frequency You are confusing carrier phase and audio phase. I omitted

Re: [ntp:questions] nagios

2014-06-10 Thread Brian Inglis
version. Is there a Debian source package available for that? http://packages.ntp.org/debian/ -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] ntp-dev: PPS is a falseticker?

2014-06-13 Thread Brian Inglis
. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] ntp-dev: PPS is a falseticker?

2014-06-14 Thread Brian Inglis
, implement, improve, and extend a ubiquitous global standard that is effectively mandated for some purposes (what else can provide globally accurate timestamps for atomic events and high frequency trades?) Deal, eh? -- Take care. Thanks, Brian Inglis

Re: [ntp:questions] ntp-dev: PPS is a falseticker?

2014-06-14 Thread Brian Inglis
On 2014-06-14 12:03, Rob wrote: Brian Inglis brian.ing...@systematicsw.ab.ca wrote: I see no problem, really no problem, in this configuration and I wonder why the software makers do see a problem in it and want me to make a configuration decision that introduces yet more problems. There may

Re: [ntp:questions] ntp-dev: PPS is a falseticker?

2014-06-14 Thread Brian Inglis
On 2014-06-14 12:03, Rob wrote: Brian Inglis brian.ing...@systematicsw.ab.ca wrote: I see no problem, really no problem, in this configuration and I wonder why the software makers do see a problem in it and want me to make a configuration decision that introduces yet more problems. There may

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is there a suggested way to rate-limit?

2014-06-14 Thread Brian Inglis
for engineering reasons), and set up another or elsewhere. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is there a suggested way to rate-limit?

2014-06-14 Thread Brian Inglis
for engineering reasons), and set up another or elsewhere. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is there a suggested way to rate-limit?

2014-06-18 Thread Brian Inglis
-i interface port https -R 'frame[68:1] == 18' #tshark -i interface port https -R 'ssl.record.content_type == 24' -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Thoughts on KOD

2014-07-06 Thread Brian Inglis
: the NAT gateways will certainly ignore NTP just as they ignore BCP 38: no benefit until their clients complain and it costs them! ;^ -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo

Re: [ntp:questions] Thoughts on KOD

2014-07-07 Thread Brian Inglis
to Busybox? AIUI an updated v4 sntp client will be released to replace ntpdate. How about specifying the sntp core as an RFC for an embedded NTP client? -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http

Re: [ntp:questions] Client using Meinberg NTP can't sync with ntp server problem

2014-07-10 Thread Brian Inglis
, adding pool asia.ntp.pool.org iburst may improve your offset. Once it gets to long poll intervals, it actually improves the drift compensation more, and reduces the offset further. -- Take care. Thanks, Brian Inglis ___ questions mailing list questions

Re: [ntp:questions] Client using Meinberg NTP can't sync with ntp server problem

2014-07-10 Thread Brian Inglis
On 2014-07-10 08:43, Martin Burnicki wrote: Brian Inglis wrote: You can start ntpd with -g option which allows it to step your system time once, when it first starts; using iburst pool hk.ntp.pool.org iburst will allow the correct offset to be set within about 16s after startup. Thereafter

Re: [ntp:questions] Client using Meinberg NTP can't sync with ntp server problem

2014-07-11 Thread Brian Inglis
). YMMV -- Take care. Thanks, Brian Inglis ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

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