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

2014-03-29 Thread Richard B. Gilbert
On 3/14/2014 12:10 AM, David Taylor wrote: On 13/03/2014 17:48, greg.wayne.sm...@gmail.com wrote: That's a pretty slick program just from looking at the page. I will play around with in and see. I tend to not install any 3rd party apps on my DC's though. I did mine the old fashion way by just

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

2014-03-21 Thread Richard B. Gilbert
On 1/3/2014 5:54 AM, Ralph Aichinger wrote: I am currently in the process of remodeling my house and a dedicated outdoor/roof mounted GPS antenna would be possible to mount without excessive cost. I probably would not see a huge difference for timing purposes, but what would your choice of an

Re: [ntp:questions] NTP not syncing

2013-12-13 Thread Richard B. Gilbert
On 12/7/2013 7:35 PM, Magnus Danielson wrote: On 12/07/2013 11:39 PM, Harlan Stenn wrote: Magnus Danielson writes: The drift-file-accelerated lock-in isn't robust. Current behavior of response isn't very useful for most people experiencing it. I'm not sure I'd agree with the word most. It's

Re: [ntp:questions] Is there something with greater detail on interface besides the manpage?

2013-11-21 Thread Richard B. Gilbert
On 11/21/2013 8:27 AM, John Hasler wrote: mike cook writes: As a comment to lead OL. We are now in a situation where we can only trust our enemies. CAcert.org is an Australian based org IIRC. They are in the same Trust league as the US, UK, CAN, all of whom have proved to be woefully lacking in

Re: [ntp:questions] DNS resolution on ntpd

2013-08-13 Thread Richard B. Gilbert
On 8/11/2013 9:03 AM, Marco Marongiu wrote: I looked up dns, resol, and ip to no avail. Am I missing something? Maybe dynamic or pool? http://archive.ntp.org/ntp4/ChangeLog-dev Thanks! -- M Some people seem to love to use short hand code!! DNS == Domain Name Server. It's the device

Re: [ntp:questions] client configuration: it's sufficient 3 servers ?

2013-05-24 Thread Richard B. Gilbert
On 5/24/2013 5:56 AM, David Lord wrote: Riccardo Castellani wrote: If I have 3 internal NTP servers, what do you think if my clients have all these 3 servers in their configuration ? According to '5.3.2. Why should I have more than one clock?' in

Re: [ntp:questions] ntp system without a rtc

2013-05-13 Thread Richard B. Gilbert
On 5/10/2013 8:30 PM, unruh wrote: On 2013-05-10, Rick Jones rick.jon...@hp.com wrote: Richard B. Gilbert rgilber...@comcast.net wrote: I think you may be out of luck on this one. If you can run NTPD 24x7 you can have the correct time 24x7. If you can't do this, NTPD is a poor choice

Re: [ntp:questions] ntp system without a rtc

2013-05-10 Thread Richard B. Gilbert
On 5/10/2013 10:36 AM, folkert wrote: Hi, I have a raspberry pi system. This is a computer without a real time clock. So everytime I power it on, it uses starts where it left off which might be days earlier. It is connected only very occasionally to the internet so syncing to that won't work.

Re: [ntp:questions] high jitter on serial gps causes big time offsets

2013-04-14 Thread Richard B. Gilbert
On 4/13/2013 5:09 PM, David Woolley wrote: website.read...@gmail.com wrote: I can obtain some precision crystals (+/- 2ppm) for about $8 to $10, + so why aren't they being added to the mid-level and up motherboards? $8-10 for the crystal would imply a total motherboard price of $2,000+. I

Re: [ntp:questions] NIST vs. pool.ntp.org ?

2013-03-29 Thread Richard B. Gilbert
On 3/28/2013 8:22 AM, Magnus Danielson wrote: On 03/27/2013 10:45 PM, David Woolley wrote: Robert Scott wrote: I am confused about the proper usage of pool.ntp.org and NIST. pool.ntp.org seems to be a collection of private sector time servers offered for all to use, but with registration

Re: [ntp:questions] Extracting ntpq like information programmatically

2013-03-29 Thread Richard B. Gilbert
On 3/29/2013 3:27 PM, Claudio Carbone wrote: On 29/03/13 19:26, Brian Utterback wrote: As unruh said, if there was a way to improve the accuracy of the measurement over the network like that, NTP would already be doing it. If so why doesn't the offset oscillate? If NTP were a real

Re: [ntp:questions] NIST vs. pool.ntp.org ?

2013-03-27 Thread Richard B. Gilbert
On 3/27/2013 3:20 PM, Robert Scott wrote: I am confused about the proper usage of pool.ntp.org and NIST. pool.ntp.org seems to be a collection of private sector time servers offered for all to use, but with registration expected for regular users. And NIST has a government run set of time

Re: [ntp:questions] multiple instances of NTP on different interfaces

2013-03-05 Thread Richard B. Gilbert
On 3/4/2013 11:13 PM, Abu Abdullah wrote: On Mon, Mar 4, 2013 at 11:12 PM, E-Mail Sent to this address will be added to the BlackLists Null@blacklist.anitech-systems.invalid wrote: Abu Abdullah wrote: I'm trying to run two instances of ntp What problem are you trying to solve? The two

Re: [ntp:questions] Two GPIO PPSes on Raspberry Pi

2013-02-28 Thread Richard B. Gilbert
On 2/28/2013 6:03 PM, Chris Adams wrote: Once upon a time, Ralph Aichinger ra...@pangea.at said: Has anybody *two* GPIO PPS devices on different GPIO pins on their Raspberry Pi? Would a setup like this enable the ntpd to check the devices against eachother (or probably more likely give an idea

Re: [ntp:questions] PPS only configuration

2013-02-26 Thread Richard B. Gilbert
On 2/21/2013 8:38 AM, Brian Utterback wrote: Hate to get into a religious war here, but there is a hard, factual standard here. RFC2646 which defines the MIME type text/plain format parameter. If you are reading a message with content type text/plain and format set to flowed, and a non-quoted

Re: [ntp:questions] PPS only configuration

2013-02-26 Thread Richard B. Gilbert
On 2/21/2013 1:08 PM, Mike S wrote: On 2/21/2013 8:52 AM, Brian Utterback wrote: Having said that, I note that Ed Mischanko's mailer is not sending text/plain flowed. So unruh has a point in that case. On 2/21/2013 8:38 AM, Brian Utterback wrote: Hate to get into a religious war here, but

Re: [ntp:questions] PPS only configuration

2013-02-25 Thread Richard B. Gilbert
On 2/20/2013 5:00 PM, E-Mail Sent to this address will be added to the BlackLists wrote: On 2/20/2013 12:17 PM, Richard B. Gilbert wrote: The Thunderbird Mail Client does NOT automagically insert line breaks when the sender has failed to do so. Fortunately, almost everyone limits their line

Re: [ntp:questions] PPS only configuration

2013-02-20 Thread Richard B. Gilbert
On 2/19/2013 8:10 PM, E-Mail Sent to this address will be added to the BlackLists wrote: Rob wrote: Actually, their posts are much easier to read for almost everyone, as amost every newsreader (except yours, apparently) will wrap their text into the space available. The idea of sending

Re: [ntp:questions] PPS only configuration

2013-02-18 Thread Richard B. Gilbert
On 2/18/2013 10:27 AM, Steve Kostecke wrote: On 2013-01-19, unruh un...@invalid.ca wrote: Mischanko posts a long post with a single line, saying he wants help in finding a news poster which will break lines for him. He has one. Himself. It is entirely possible to put in line breaks manually,

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-14 Thread Richard B. Gilbert
On 1/14/2013 3:18 PM, E-Mail Sent to this address will be added to the BlackLists wrote: Edward T. Mischanko wrote: Does Richard B. Gilbert have nothing better to say, than to post the same reply 5 times, I think it is very likely that his news or mail, client or service is having issues

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-12 Thread Richard B. Gilbert
On 1/9/2013 7:09 PM, unruh wrote: On 2013-01-09, thelastroman...@live.fr thelastroman...@live.fr wrote: Hi, Thanks, it seems to work. So, i just need nanoseconds precision with this 1pps on my localhost, don't need NTP or other. You will NOT get nanosecond precision. If that is your goal,

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-12 Thread Richard B. Gilbert
On 1/9/2013 7:09 PM, unruh wrote: On 2013-01-09, thelastroman...@live.fr thelastroman...@live.fr wrote: Hi, Thanks, it seems to work. So, i just need nanoseconds precision with this 1pps on my localhost, don't need NTP or other. You will NOT get nanosecond precision. If that is your goal,

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-11 Thread Richard B. Gilbert
On 1/9/2013 7:09 PM, unruh wrote: On 2013-01-09, thelastroman...@live.fr thelastroman...@live.fr wrote: Hi, Thanks, it seems to work. So, i just need nanoseconds precision with this 1pps on my localhost, don't need NTP or other. You will NOT get nanosecond precision. If that is your goal,

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-11 Thread Richard B. Gilbert
On 1/9/2013 7:09 PM, unruh wrote: On 2013-01-09, thelastroman...@live.fr thelastroman...@live.fr wrote: Hi, Thanks, it seems to work. So, i just need nanoseconds precision with this 1pps on my localhost, don't need NTP or other. You will NOT get nanosecond precision. If that is your goal,

Re: [ntp:questions] X2 assert and clear events (PPS) on LInux with sure GPS Board

2013-01-11 Thread Richard B. Gilbert
On 1/9/2013 7:09 PM, unruh wrote: On 2013-01-09, thelastroman...@live.fr thelastroman...@live.fr wrote: Hi, Thanks, it seems to work. So, i just need nanoseconds precision with this 1pps on my localhost, don't need NTP or other. You will NOT get nanosecond precision. If that is your goal,

Re: [ntp:questions] NTP.ORG MEINBERG KEEP TIME ACCURATE to 10MS

2012-11-15 Thread Richard B. Gilbert
On 11/14/2012 8:33 PM, gbusenb...@yahoo.com wrote: On Wednesday, November 14, 2012 7:32:52 PM UTC-5, Richard B. Gilbert wrote: On 11/14/2012 12:02 AM, E-Mail Sent to this address will be added to the BlackLists wrote: gbusenb...@yahoo.com wrote: I am now left with two lines in ntp.conf

Re: [ntp:questions] NTP.ORG MEINBERG KEEP TIME ACCURATE to 10MS

2012-11-14 Thread Richard B. Gilbert
On 11/14/2012 12:02 AM, E-Mail Sent to this address will be added to the BlackLists wrote: gbusenb...@yahoo.com wrote: I am now left with two lines in ntp.conf driftfile C:\Program Files\NTP\etc\ntp.drift server 10.1.126.204 iburst minpoll 5 There have been plenty of improvemnets since

Re: [ntp:questions] What is the NTP recovery time from 16s step in GPSserver?

2012-10-31 Thread Richard B. Gilbert
On 10/31/2012 4:30 AM, David Woolley wrote: Kennedy, Paul wrote: I believe the answer to your question is 12.5 minutes. This is the time it takes to receive the full set of 25 almanac frames, which contains the GPSTime/UTC offset (amongst other things).

Re: [ntp:questions] What is the NTP recovery time from 16s step in GPSserver?

2012-10-31 Thread Richard B. Gilbert
On 10/31/2012 5:04 PM, unruh wrote: On 2012-10-31, Richard B. Gilbert rgilber...@comcast.net wrote: On 10/31/2012 4:30 AM, David Woolley wrote: Kennedy, Paul wrote: I believe the answer to your question is 12.5 minutes. This is the time it takes to receive the full set of 25 almanac frames

Re: [ntp:questions] Using Trimble TSIP under Linux

2012-10-30 Thread Richard B. Gilbert
On 10/28/2012 6:20 PM, unruh wrote: On 2012-10-28, Richard B. Gilbert rgilber...@comcast.net wrote: Lose the minpoll 4 maxpoll 4 ! Well, no, standard advice for refclocks is exactly that. get the time every 16 sec. It may not be causing your problems but but I doubt that it's helping

Re: [ntp:questions] NTP tunning for OWD measurements

2012-10-28 Thread Richard B. Gilbert
, October 27, 2012 5:19:09 PM UTC+1, Richard B. Gilbert wrote: On 10/26/2012 5:56 PM, pret3n...@gmail.com wrote: Hi all, and thank you for your answers. I'm afraid I might not have been clear about my objectives, so I'll try

Re: [ntp:questions] Using Trimble TSIP under Linux

2012-10-28 Thread Richard B. Gilbert
On 10/28/2012 4:33 PM, David Taylor wrote: On 28/10/2012 16:50, Rob wrote: [] Sorry I have no idea how to get it to work with a raspberry pi. I think when you have to tinker with drivers anyway, it is better to adapt a driver from ntpd and leave out gpsd. (unless you want to use the

Re: [ntp:questions] NTP tunning for OWD measurements

2012-10-27 Thread Richard B. Gilbert
On 10/26/2012 5:56 PM, pret3n...@gmail.com wrote: Hi all, and thank you for your answers. I'm afraid I might not have been clear about my objectives, so I'll try to explain clearer. I'll also try and keep the lines smaller, and please, excuse me if I make any mistakes, as english is not my

Re: [ntp:questions] NTP tunning for OWD measurements

2012-10-27 Thread Richard B. Gilbert
On 10/26/2012 6:47 PM, pret3n...@gmail.com wrote: I'm sorry, I'm not following you. What delay asymmetry are you refering to? OWAMP does rely on accurate time stamps, see http://www.internet2.edu/performance/owamp/index.html If I have S1 and X1 synching to the same time reference (in this

Re: [ntp:questions] Motorola Oncore GPS as Stratum 1 source

2012-10-20 Thread Richard B. Gilbert
On 10/19/2012 11:01 PM, John Hasler wrote: Richard B. Gilbert writes: ...not all of us can afford Microsoftmumble to read mail... And some us wouldn't use it if paid to do so. However, some MUAs such as Gnus have format message commands that can render such a mess readable. I'll be damned

Re: [ntp:questions] Motorola Oncore GPS as Stratum 1 source

2012-10-19 Thread Richard B. Gilbert
On 10/19/2012 2:56 PM, E-Mail Sent to this address will be added to the BlackLists wrote: Rick Jones wrote: Richard B. Gilbert rgilber...@comcast.net wrote: I suppose there's no hope of getting Microsoft to fix Office? I suspect that Office automagically wraps long lines when displaying

Re: [ntp:questions] Motorola Oncore GPS as Stratum 1 source

2012-10-18 Thread Richard B. Gilbert
On 10/17/2012 8:27 AM, Hahn, Ron wrote: Colleagues, I am putting together some Motorola Oncore UT+ boards to replace my Sure boards in my ntp servers. I am using this http://www.tapr.org/gps_vpib.html board as the templat for the interface circuits. The circuit calls for a BR2325 battery

Re: [ntp:questions] Motorola Oncore GPS as Stratum 1 source

2012-10-18 Thread Richard B. Gilbert
On 10/18/2012 5:11 PM, Ron Hahn wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 18/10/2012 21:07, Richard B. Gilbert wrote: On 10/17/2012 8:27 AM, Hahn, Ron wrote: Colleagues, I am putting together some Motorola Oncore UT+ boards to replace my Sure boards in my ntp servers. I am

Re: [ntp:questions] Motorola Oncore GPS as Stratum 1 source

2012-10-18 Thread Richard B. Gilbert
On 10/18/2012 6:50 PM, Rick Jones wrote: Richard B. Gilbert rgilber...@comcast.net wrote: That's great. I suppose there's no hope of getting Microsoft to fix Office? I suspect that Office automagically wraps long lines when displaying messages, meaning that in an Office context

Re: [ntp:questions] setting the time/frequency before starting ntpd to avoid slow convergence (PPS)

2012-10-12 Thread Richard B. Gilbert
On 10/12/2012 6:25 PM, gabs wrote: Instead of waiting several minutes (hours?) to reach microsecond offsets, I've been using a chrony-like method to set the time and frequency before starting ntpd: It's hours! About ten hours to get the best time the system is capable of! 1. Kill ntpd if

Re: [ntp:questions] setting the time/frequency before starting ntpd to avoid slow convergence (PPS)

2012-10-12 Thread Richard B. Gilbert
On 10/12/2012 8:27 PM, gabs wrote: On Saturday, October 13, 2012 7:25:26 AM UTC+8, Richard B. Gilbert wrote: On 10/12/2012 6:25 PM, gabs wrote: 1. Kill ntpd if running To what purpose??? If NTPD is running, your clock should be very close to the correct time. I can't see anything

Re: [ntp:questions] NTP client configuration

2012-09-27 Thread Richard B. Gilbert
On 9/27/2012 2:59 PM, Benjamin CABUT wrote: Hello, I don't car in my application to have the correct UTC time. What I care is that all my computers share exactly the same time. Our application is not connected to internet. So only time I can use as a reference is local clock of one computer.

Re: [ntp:questions] What exactly happens to ntpd if it is made to run and no server address is given in the ntp.conf file?

2012-09-25 Thread Richard B. Gilbert
On 9/25/2012 12:26 PM, Arpith Nayak wrote: Could someone give me a blow-by-blow account of what happens exactly? Also, does ntpd search for an NTP server in the network accessible by it if no server is specified? Can we implement this functionality if not available? Regards, Arpith What

Re: [ntp:questions] ANN: UK GPS Jamming: 24th - 28th Sept and 1st - 5th Oct 2012 - Dixie's Corner

2012-09-21 Thread Richard B. Gilbert
On 9/21/2012 9:07 AM, David Taylor wrote: Folks, I have received the following announcement: _ Dates: Between 24th - 28th Sept and 1st - 5th Oct 2012 Times: 0800 -1600 GMT. Location of MULTIPLE jammers: Multiple Land based within 5km of

Re: [ntp:questions] Testing throughput in NTP servers

2012-09-12 Thread Richard B. Gilbert
On 9/12/2012 2:34 PM, unruh wrote: On 2012-09-12, Ulf Samuelsson u...@invalid.com wrote: Anyone knows if there are any available Linux based S/W to test the throughput of NTP servers? I.E: packets per second? % of lost packets etc? Best Regards Ulf Samuelsson I hope

Re: [ntp:questions] PPS and NMEA

2012-09-10 Thread Richard B. Gilbert
On 9/10/2012 5:02 AM, Rob van der Putten wrote: Hi there ksprabha wrote: Kindly let me know what is the difference between NTP with PPS and NTP with out PPS. NMEA can be a bit off with some GPS receivers. PPS tends to be very accurate. The the PPS (assuming we are talking about the

Re: [ntp:questions] System time changes only on restarting ntpd service and query about iterating through the sources

2012-09-08 Thread Richard B. Gilbert
On 9/7/2012 11:51 AM, unruh wrote: On 2012-09-05, Richard B. Gilbert rgilber...@comcast.net wrote: On 9/5/2012 7:29 AM, unruh wrote: On 2012-09-04, Arpith Nayak arpithna...@gmail.com wrote: Hi all, I'm running into this problem. The system time is set to 1970 after every your RTC is broken

Re: [ntp:questions] System time changes only on restarting ntpd service and query about iterating through the sources

2012-09-05 Thread Richard B. Gilbert
On 9/5/2012 7:29 AM, unruh wrote: On 2012-09-04, Arpith Nayak arpithna...@gmail.com wrote: Hi all, I'm running into this problem. The system time is set to 1970 after every your RTC is broken. system reboot. The first time I enable ntpd it is contacting the ntp source and getting the

Re: [ntp:questions] System time changes only on restarting ntpd service and query about iterating through the sources

2012-09-05 Thread Richard B. Gilbert
On 9/5/2012 4:47 PM, David Woolley wrote: Arpith Nayak wrote: Hi all, I'm running into this problem. The system time is set to 1970 after every system reboot. The first time I enable ntpd it is contacting the ntp source I was under the impression that NTP time stamps are ambiguous on a time

Re: [ntp:questions] Does NTP cause an abrupt/sudden change in an orphan's system time?

2012-08-08 Thread Richard B. Gilbert
On 8/8/2012 6:56 AM, Arpith Nayak wrote: I have a server that is in the orphan mode i.e. it was not connected to the internet (and thus the various public NTP servers) when I booted it up. Now if I install ntpd oin this server and run it, will the first instance of ntpd cause a sudden change in

Re: [ntp:questions] WARNING: someone's faking a leap second tonight

2012-08-06 Thread Richard B. Gilbert
On 8/6/2012 8:44 AM, Dick Wesseling wrote: In article 501d6636.9050...@gmail.com, Jeffrey Lerman jeffrey.ler...@gmail.com writes: On Fri, Aug 03 2012 at 5:42PM, Harlan Stenn st...@ntp.org wrote: It looks like this recently-filed (and cryptically-named) ntpd bug might be related to

Re: [ntp:questions] WARNING: someone's faking a leap second tonight

2012-08-04 Thread Richard B. Gilbert
On 8/4/2012 12:28 PM, unruh wrote: On 2012-08-04, David Woolley david@ex.djwhome.demon.invalid wrote: Harlan Stenn wrote: Oh, my mistake: I quote RFC5905 below, which is for NTPv4, which is technically in _draft_ status - though it does seem pretty far along and I believe current ntpd adheres

Re: [ntp:questions] NTP on local networks

2012-08-02 Thread Richard B. Gilbert
On 7/30/2012 11:47 AM, Will Shackleford wrote: We have several computers with several different operating systems on a local network with no radios and no internet connection. The main goal is to keep them synchronized with each other. One frustration I have had is that clients tend to refuse

Re: [ntp:questions] NTP on local networks

2012-08-02 Thread Richard B. Gilbert
On 7/31/2012 12:06 PM, unruh wrote: One option is to install a gps receiver onto one or more of your machines to deliver accurate time to them. The second option is to look into orphan mode, which was designed for your situation. Your problem is probably that you are using more than one of th

Re: [ntp:questions] WARNING: someone's faking a leap second tonight

2012-08-02 Thread Richard B. Gilbert
On 8/1/2012 11:54 AM, Rob wrote: steven Sommars stevesommars...@gmail.com wrote: I've seen no evidence of a denial of service attack, bugs are more likely. Several stratum one servers have been advertising LI=1 continuously for the past month. Others alternate between LI=0 and LI=1. Most

Re: [ntp:questions] losing time fast

2012-07-09 Thread Richard B. Gilbert
On 7/9/2012 2:14 PM, Fritz Wuehler wrote: I noticed the clock on my main desktop was off by 28 minutes today and it increased to 45 minutes. I resync'd with ntpdate manually and it has drifted behind again about 7 minutes in the last few hours. You do not mention the direction of the error

Re: [ntp:questions] ntpq -c

2012-05-22 Thread Richard B. Gilbert
On 5/21/2012 9:58 AM, Luc Roels wrote: Hi, I am an NTP newbie but have been asked to debug a problem in our system. Our software uses the output of the ntpd -c rv assid 127.0.0.1 to determine if the NTP server is reachable and if it is synced or not by inspecting the filtoffset line.

Re: [ntp:questions] ntpd interfacing with newsyslog/logrotate?

2012-04-23 Thread Richard B. Gilbert
On 4/22/2012 6:48 PM, David Lord wrote: Richard B. Gilbert wrote: On 4/22/2012 7:15 AM, David Lord wrote: A C wrote: Does anyone familiar with NetBSD know if there's a particular configuration for newsyslog that will allow the main ntpd log to rotate on a regular basis? It seems that ntpd

Re: [ntp:questions] ntpd interfacing with newsyslog/logrotate?

2012-04-22 Thread Richard B. Gilbert
On 4/22/2012 7:15 AM, David Lord wrote: A C wrote: Does anyone familiar with NetBSD know if there's a particular configuration for newsyslog that will allow the main ntpd log to rotate on a regular basis? It seems that ntpd loses track of its log file during a rotate and stops updating.

Re: [ntp:questions] where is the most authoritative NTP documentation?

2012-04-02 Thread Richard B. Gilbert
On 4/2/2012 5:20 PM, E-Mail Sent to this address will be added to the BlackLists wrote: Alby VA wrote: Aside from the most authoritative NTP Docs, where is an NTP 101 Doc on understand the basics? Not specially with running NTP, but with grasping time concepts, PPS, Stratum-0 Devices,

Re: [ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

2012-03-23 Thread Richard B. Gilbert
On 3/22/2012 5:54 PM, David Lord wrote: unruh wrote: On 2012-03-22, David J Taylor david-tay...@blueyonder.co.uk.invalid wrote: unruh un...@invalid.ca wrote in message news:xLHar.38386$iq1.34...@newsfe18.iad... [] Measure what? Why do you think that ntp reporting the offset with an extra

Re: [ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

2012-03-22 Thread Richard B. Gilbert
On 3/21/2012 7:39 PM, Alby VA wrote: On Mar 21, 7:36 pm, unruhun...@invalid.ca wrote: On 2012-03-21, Alby VAalb...@empire.org wrote: On Mar 21, 3:55?pm, unruhun...@invalid.ca wrote: On 2012-03-21, David J Taylordavid-tay...@blueyonder.co.uk.invalid wrote: unruhun...@invalid.ca

Re: [ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

2012-03-21 Thread Richard B. Gilbert
On 3/20/2012 3:45 AM, David J Taylor wrote: Any chance of getting bug 2164 moving? Greater precision needed for ntpq offset report. http://bugs.ntp.org/show_bug.cgi?id=2164 While I'm asking, nothing seems to have happened with bug 1577 in over 18 months. Request that SNMP support be added for

Re: [ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

2012-03-21 Thread Richard B. Gilbert
On 3/20/2012 3:45 AM, David J Taylor wrote: Any chance of getting bug 2164 moving? Greater precision needed for ntpq offset report. http://bugs.ntp.org/show_bug.cgi?id=2164 While I'm asking, nothing seems to have happened with bug 1577 in over 18 months. Request that SNMP support be added for

Re: [ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

2012-03-21 Thread Richard B. Gilbert
On 3/20/2012 3:45 AM, David J Taylor wrote: Any chance of getting bug 2164 moving? Greater precision needed for ntpq offset report. http://bugs.ntp.org/show_bug.cgi?id=2164 While I'm asking, nothing seems to have happened with bug 1577 in over 18 months. Request that SNMP support be added for

Re: [ntp:questions] PSYCHO PC clock is advancing at 2 HR per second

2012-03-21 Thread Richard B. Gilbert
On 3/20/2012 2:59 PM, unruh wrote: On 2012-03-20, David J Taylordavid-tay...@blueyonder.co.uk.invalid wrote: unruhun...@invalid.ca wrote in message news:d13ar.7952$gv1.7...@newsfe12.iad... [] It is really really hard to imagine any gps device doing that. Yes, I agree, and yet what just

Re: [ntp:questions] ignore this - testing

2012-03-16 Thread Richard B. Gilbert
On 3/16/2012 3:17 PM, Ron Frazier (NTP) wrote: Ignore this. Testing, is this thing on? Hadn't noticed any messages for 12 hours. Just checking to make sure it's working. Ron Please learn patience! It's a low volume news group! There are occasional days when there are no messages at all!

Re: [ntp:questions] got the Sure GPS on order, how do I program it

2012-03-06 Thread Richard B. Gilbert
On 3/5/2012 10:04 PM, Ron Frazier (NTP) wrote: Hi all, OK, I went and ordered the Sure GPS board, cables, box, hardware, etc. I even bought a cheapie soldering station for $ 20. Other than the mechanical setup which I can figure out and the patches which David Taylor has documented, I need to

Re: [ntp:questions] Previous Question [ Leap second indication (Linux NTPD specifically)]

2012-03-06 Thread Richard B. Gilbert
On 3/6/2012 9:30 AM, Phil Fisher wrote: Dear Moderator Due to an oversight on my part I would be grateful if you could remove the signature (like that below) from the previous post and NOT BOTHER POSTING THIS RESPONSE. (Or remove the post and ask me to do it again sans signature part) If this

Re: [ntp:questions] ESR looking for good GPS clocks

2012-03-06 Thread Richard B. Gilbert
On 3/6/2012 3:59 PM, Ron Frazier (NTP) wrote: On 3/6/2012 3:28 PM, Rob wrote: Ron Frazier (NTP)timekeepingntpl...@c3energy.com wrote: I looked at that chart 3 times and even zoomed in on it. It looks like to me that the vertical scale is in ns. Look again. You can find an example m and n in

Re: [ntp:questions] Purpose of a leap second file?

2012-03-04 Thread Richard B. Gilbert
On 3/4/2012 3:37 PM, unruh wrote: On 2012-03-04, John Haslerjhas...@newsguy.com wrote: nemo_outis writes: It was specifically chosen, not because of its deep significance as a 'universal physical constant', but specifically to make the 'new' second very close to the old 'earth-rotation'

Re: [ntp:questions] how do you like the Trimble Resolution T

2012-03-02 Thread Richard B. Gilbert
On 3/1/2012 7:43 PM, Ron Frazier (NTP) wrote: On 2/29/2012 6:12 PM, Chris Albertson wrote: On Wed, Feb 29, 2012 at 2:29 PM, Bruce Lillybruce.li...@gmail.com wrote: On Wed, 29 Feb 2012 14:16:23 +, Ron Frazier (NTP) wrote: Other than the Sure board which has been mentioned, are there any

Re: [ntp:questions] semi OT - GPS receiver for BMW automobile on EBay

2012-03-02 Thread Richard B. Gilbert
On 3/2/2012 9:55 AM, Ron Frazier (NTP) wrote: Hi all, From my previous threads you know I've been considering upgrading my GPS receiver for NTPD. I found this GPS receiver module for BMW automobiles. I wouldn't know what to do with it if I bought it, but I thought it was interesting. There are

Re: [ntp:questions] how do you like the Trimble Resolution T

2012-02-29 Thread Richard B. Gilbert
On 2/29/2012 12:45 AM, Ron Frazier (NTP) wrote: Hi all, Is anyone using the Trimble Resolution T GPS for timing? I was looking at an ad for one on ebay. For my purposes, any accuracy under 1 ms is great. I don't have to have 15 ns. Of course, smaller numbers are always better. Is this device

Re: [ntp:questions] Change poll interval at runtime?

2012-02-26 Thread Richard B. Gilbert
On 2/26/2012 12:55 AM, Ron Frazier (NTP) wrote: On 2/25/2012 5:05 PM, A C wrote: On 2/25/2012 13:09, Richard B. Gilbert wrote: On 2/25/2012 1:20 AM, A C wrote: On 2/24/2012 21:26, A C wrote: Is it possible to change the polling interval of one or more associated servers at runtime? It seems

Re: [ntp:questions] Change poll interval at runtime?

2012-02-26 Thread Richard B. Gilbert
On 2/26/2012 6:20 PM, unruh wrote: On 2012-02-26, Richard B. Gilbertrgilber...@comcast.net wrote: On 2/26/2012 12:55 AM, Ron Frazier (NTP) wrote: On 2/25/2012 5:05 PM, A C wrote: On 2/25/2012 13:09, Richard B. Gilbert wrote: On 2/25/2012 1:20 AM, A C wrote: On 2/24/2012 21:26, A C wrote

Re: [ntp:questions] Change poll interval at runtime?

2012-02-26 Thread Richard B. Gilbert
On 2/26/2012 6:20 PM, unruh wrote: On 2012-02-26, Richard B. Gilbertrgilber...@comcast.net wrote: On 2/26/2012 12:55 AM, Ron Frazier (NTP) wrote: On 2/25/2012 5:05 PM, A C wrote: On 2/25/2012 13:09, Richard B. Gilbert wrote: On 2/25/2012 1:20 AM, A C wrote: On 2/24/2012 21:26, A C wrote

Re: [ntp:questions] Change poll interval at runtime?

2012-02-25 Thread Richard B. Gilbert
On 2/25/2012 1:20 AM, A C wrote: On 2/24/2012 21:26, A C wrote: Is it possible to change the polling interval of one or more associated servers at runtime? It seems like I should be able to run: ntpq -c writevar associd hpoll=N or is it ppoll? Actually, I should have been more specific and

Re: [ntp:questions] Frequency Offset

2012-02-25 Thread Richard B. Gilbert
On 2/25/2012 2:31 AM, David J Taylor wrote: unruh un...@invalid.ca wrote in message news:l9S1r.3578$py5.1...@newsfe09.iad... [] The problem is that the relevant temperature is not the room temperature, but the temperature inside the box at the crystal. That temp variation is dominated by

Re: [ntp:questions] GPS Jammers in Use by Criminals - Warping Time for Fraud Suggested

2012-02-23 Thread Richard B. Gilbert
On 2/22/2012 5:16 PM, David Woolley wrote: An article in the Metro, the free morning paper on the London commuter transport network, suggests that criminals may be using GPS jamming equipment to warp the time on financial systems to allow the commission of fraud. GPS is not the only source of

Re: [ntp:questions] GPS Jammers in Use by Criminals - Warping Time for Fraud Suggested

2012-02-23 Thread Richard B. Gilbert
On 2/22/2012 5:16 PM, David Woolley wrote: An article in the Metro, the free morning paper on the London commuter transport network, suggests that criminals may be using GPS jamming equipment to warp the time on financial systems to allow the commission of fraud. GPS is not the only source of

Re: [ntp:questions] Frequency Offset

2012-02-23 Thread Richard B. Gilbert
On 2/23/2012 9:20 PM, Alby VA wrote: On Feb 23, 6:12 pm, Chris Albertsonalbertson.ch...@gmail.com wrote: The crystal on the computer motherboard. At the most basic level, the purpose of NTP is to compute that offset you see. That is the offset between the clock on the computer's motherboard

Re: [ntp:questions] Using a uC based embedded device as SNTP server

2012-02-16 Thread Richard B. Gilbert
On 2/16/2012 4:52 AM, Thorsten Mühlfelder wrote: Hello, I've already posted these questions 8 months ago without answers, but now the problem came to my mind again. Sorry for double post. I'm using a Atmel uC embedded device as SNTP server. The code is working so far, but I wonder what the

Re: [ntp:questions] ntpd wedged again

2012-02-14 Thread Richard B. Gilbert
On 2/14/2012 1:43 AM, David J Taylor wrote: A C agcarver+...@acarver.net wrote in message news:4f398579.9060...@acarver.net... [] I'm not sure it's a good idea either but I would really like to understand why a refclock clamps the polling interval at such a low value when nearly every bit of

Re: [ntp:questions] how do I lock in average frequency correction

2012-02-12 Thread Richard B. Gilbert
On 2/12/2012 2:03 PM, Chuck Swiger wrote: On Feb 12, 2012, at 9:36 AM, unruh wrote: On 2012-02-12, Ron Frazier (NTP)timekeepingntpl...@c3energy.com wrote: It is my understanding that NTP is continuously making small changes to the software clock to keep the timing accurate while the os is

Re: [ntp:questions] Update NTP on FreeBSD 8.2

2012-02-10 Thread Richard B. Gilbert
On 2/10/2012 11:18 AM, David J Taylor wrote: Uwe Klein u...@klein-habertwedt.de wrote in message news:36if09-sj3@klein-habertwedt.de... [] windows runs on just one platform, badly. In your view. It actually runs on at least three platforms today, and likely four tomorrow, and it runs well

Re: [ntp:questions] what happens if ntp server jumps time BIG TIME

2012-02-09 Thread Richard B. Gilbert
On 2/9/2012 4:36 PM, bombjack wrote: Hi, Scenario: - I'm in control of a NTP server and can change the time on this server as I please (this server is sync'ed to the hw-clock) - I have a client that is sync'ed with the server above (and only that server) What happens if I change the time on the

Re: [ntp:questions] How do you reply to list postings

2012-02-08 Thread Richard B. Gilbert
On 2/7/2012 1:38 PM, Ron Frazier (NTP) wrote: The subject may sound silly, but every time I click reply to one of the postings on this list, it puts the original message poster's address in the TO field rather than the public list address. If I want my reply to go to the list, I have to change

Re: [ntp:questions] GPS NMEA offset with PPS

2011-12-30 Thread Richard B. Gilbert
On 12/30/2011 4:02 PM, Tomi Lehto wrote: Nickolay Orekhovnowh...@mail.ru wrote: 1. If you mark clocks as true you somehow fool yourself :-). Because now if the clocks are real falsetickers you won't even know about it and your system will be out of sync and for ex. will show low offset from

Re: [ntp:questions] Accuracy of NTP - Advice Needed

2011-12-25 Thread Richard B. Gilbert
On 12/25/2011 5:49 AM, Rob wrote: j...@specsol.spam.sux.comj...@specsol.spam.sux.com wrote: Again, were do you see the word few in what I wrote? That makes the statement so meaningless. Every distance can be measured in feet. Of couse, nobody at Cern would even think of doing that, but

Re: [ntp:questions] Accuracy of NTP - Advice Needed

2011-12-23 Thread Richard B. Gilbert
On 12/22/2011 11:35 PM, unruh wrote: On 2011-12-23, Richard B. Gilbertrgilber...@comcast.net wrote: On 12/22/2011 2:11 PM, Paul Sobey wrote: Dear All, I work for a firm which requires clocks to be synchronised to quite a high degree of accuracy. We have an existing ntp-based infrastructure

Re: [ntp:questions] Accuracy of NTP - Advice Needed

2011-12-22 Thread Richard B. Gilbert
On 12/22/2011 2:11 PM, Paul Sobey wrote: Dear All, I work for a firm which requires clocks to be synchronised to quite a high degree of accuracy. We have an existing ntp-based infrastructure but want to improve on it to the point where the bulk of our hosts are synchronised to single digit

Re: [ntp:questions] Accuracy of NTP - Advice Needed

2011-12-22 Thread Richard B. Gilbert
On 12/22/2011 9:17 PM, Chris Adams wrote: Once upon a time, Richard B. Gilbertrgilber...@comcast.net said: The last time I heard, there were twenty-seven GPS satellites in service. There are currently 31 active. There are usually anywhere from three to five or six above the horizon at any

Re: [ntp:questions] ntp server pool advice

2011-12-21 Thread Richard B. Gilbert
On 12/21/2011 3:25 AM, ben slimup wrote: Dear all, i m currently working on some project that needs a particular ntp distribution design: i have to site with 4 public ip address, that can be used on both site, i need to serve between 10 client to 1 million.. load balanced either on 1

Re: [ntp:questions] ntpdate removal is coming

2011-12-19 Thread Richard B. Gilbert
On 12/19/2011 2:36 PM, unruh wrote: On 2011-12-19, E-Mail Sent to this address will be added to the BlackListsNull@BlackList.Anitech-Systems.invalid wrote: On 12/17/2011 12:20 PM, Steve Kostecke wrote: You should not be using the Undisciplined Local Clock (127.127.1.x, aka LOCAL) unless

Re: [ntp:questions] Later ntp drops logging the initial drift

2011-12-17 Thread Richard B. Gilbert
On 12/17/2011 9:27 AM, David J Taylor wrote: Folks, I have noted that the logging of the initial drift value in ntp.4.2.4 - messages like: frequency initialized 0.423 PPM from C:\Tools\NTP\etc\ntp.drift have been dropped from later versions of ntp (4.2.7 tested). I don't recall the users

Re: [ntp:questions] ntpdate removal is coming

2011-12-17 Thread Richard B. Gilbert
On 12/16/2011 7:59 PM, chad.far...@bull.com wrote: The scenario I'm worried about somewhat different from what has been described in this thread. I though I would add it to the chain as a use case developers should be aware of. I frequently see incorrect time after a system has been powered

Re: [ntp:questions] Configure FreeBSD or Linux to use stepping clock?

2011-12-17 Thread Richard B. Gilbert
On 12/17/2011 12:57 PM, David Malone wrote: Dave Harth...@ntp.org writes: I did a bit of searching but of course this is an odd request: help me degrade the precision of my system clock, please hasn't come up much. If you have any suggestions, please speak up here, or privately if you

Re: [ntp:questions] Question on how to Slew time in NTP (David Woolley)

2011-12-15 Thread Richard B. Gilbert
On 12/15/2011 10:32 AM, Steve Kostecke wrote: On 2011-12-15, Charles Elliottelliott...@verizon.net wrote: has the authentication in place to allow it to be added on the fly, the biggest hit to the time will be that from stopping and starting ntpd, to change the configuration. So true! Are

Re: [ntp:questions] ntpdate removal is coming

2011-12-14 Thread Richard B. Gilbert
On 12/13/2011 10:16 PM, unruh wrote: On 2011-12-13, Harlan Stennst...@ntp.org wrote: Richard wrote: [much elided] Like it or not, NTPD, when started, will need up to TEN HOURS to settle down with the best time that you are going to get! This is not a hardship if you run NTPD 24x365 (366 in

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