Re: [ntp:questions] Windows time question.

2011-04-23 Thread David J Taylor
Richard B. Gilbert rgilber...@comcast.net wrote in message news:ot-dnvdagogjoizqnz2dnuvz_o-dn...@giganews.com... [] Anyone who doubts the accuracy, legitimacy, etc. of pool services should be able to purchase a GPS timing receiver and get the time from the horse's mouth. The investment

Re: [ntp:questions] Using two NTP Server: Bad?

2011-04-23 Thread Hal Murray
Consider that failure here encompasses serves bogus time. Suppose you have 7 sources configured and 4 of them cluster nicely around an incorrect time, with 3 clustered around UTC. I suppose it's possible but I'm not going to hold my breath waiting for an instance to appear! All it takes is

Re: [ntp:questions] Using two NTP Server: Bad?

2011-04-23 Thread unruh
On 2011-04-23, Hal Murray hal-use...@ip-64-139-1-69.sjc.megapath.net wrote: Consider that failure here encompasses serves bogus time. Suppose you have 7 sources configured and 4 of them cluster nicely around an incorrect time, with 3 clustered around UTC. I suppose it's possible but I'm not

Re: [ntp:questions] Windows time question.

2011-04-23 Thread unruh
On 2011-04-23, David J Taylor david-tay...@blueyonder.co.uk.invalid wrote: Richard B. Gilbert rgilber...@comcast.net wrote in message news:ot-dnvdagogjoizqnz2dnuvz_o-dn...@giganews.com... [] Anyone who doubts the accuracy, legitimacy, etc. of pool services should be able to purchase a GPS

Re: [ntp:questions] Windows time question.

2011-04-23 Thread David J Taylor
unruh un...@wormhole.physics.ubc.ca wrote in message news:slrnir4tou.j3t.un...@wormhole.physics.ubc.ca... [] He did say a timing receiver. That could mean a GPS receiver specifically set up to supply time, including an on board temp insensitive crystal to supply the time if the sattelite

Re: [ntp:questions] Windows time question.

2011-04-23 Thread Rob
David J Taylor david-tay...@blueyonder.co.uk.invalid wrote: unruh un...@wormhole.physics.ubc.ca wrote in message news:slrnir4tou.j3t.un...@wormhole.physics.ubc.ca... [] He did say a timing receiver. That could mean a GPS receiver specifically set up to supply time, including an on board temp

Re: [ntp:questions] Windows time question.

2011-04-23 Thread Rob
David J Taylor david-tay...@blueyonder.co.uk.invalid wrote: Rob nom...@example.com wrote in message news:slrnir54hp.hnj.nom...@xs8.xs4all.nl... [] The initial question: | Due to my wandering use of a laptop for, work (cough!) Often away | from the office, and our server, but with local

Re: [ntp:questions] Windows time question.

2011-04-23 Thread David J Taylor
Rob nom...@example.com wrote in message news:slrnir52mv.hnj.nom...@xs8.xs4all.nl... [] Why is this irrelevant discussion started every time some topic is being discyssed in this newsgroup? It does not matter what the initial question is, what problem someone tries to solve, what requirements he

Re: [ntp:questions] Windows time question.

2011-04-23 Thread David J Taylor
Rob nom...@example.com wrote in message news:slrnir54hp.hnj.nom...@xs8.xs4all.nl... [] The initial question: | Due to my wandering use of a laptop for, work (cough!) Often away | from the office, and our server, but with local internet access (Hotel | WiFi etc). | | What UK based RELIABLE

Re: [ntp:questions] Windows time question.

2011-04-23 Thread Richard B. Gilbert
On 4/23/2011 4:16 AM, Rob wrote: David J Taylordavid-tay...@blueyonder.co.uk.invalid wrote: unruhun...@wormhole.physics.ubc.ca wrote in message news:slrnir4tou.j3t.un...@wormhole.physics.ubc.ca... [] He did say a timing receiver. That could mean a GPS receiver specifically set up to supply

Re: [ntp:questions] Windows time question.

2011-04-23 Thread Richard B. Gilbert
On 4/23/2011 2:52 AM, unruh wrote: On 2011-04-23, David J Taylordavid-tay...@blueyonder.co.uk.invalid wrote: Richard B. Gilbertrgilber...@comcast.net wrote in message news:ot-dnvdagogjoizqnz2dnuvz_o-dn...@giganews.com... [] Anyone who doubts the accuracy, legitimacy, etc. of pool services

[ntp:questions] Bug 1700 - Clock drifts excessively at polling levels above 256.

2011-04-23 Thread Mischanko, Edward T
Edward T. Mischanko | Maintenance Technician, Electrical ArcelorMittal Burns Harbor Finishing | 250 W. US Highway 12 Burns Harbor, IN 46304-9745 T +1 219 787 3601 | F +1 219 787 4510 www.arcelormittal.com _ From: Mischanko, Edward T Sent:

Re: [ntp:questions] Odd offset for PPS DCD w/ Garmin GPS 18x LVC

2011-04-23 Thread lellis
On Apr 17, 10:03 am, lellis larry.el...@gmail.com wrote: With the help of several radio-controlled clocks in my office, I noticed that the local clock on my machine was occasionally off by exactly one second (sometimes slow, sometimes fast). While I'm not sure this is the definitive answer,

Re: [ntp:questions] Windows time question.

2011-04-23 Thread John Hasler
Terje writes: Depending upon the cut, quartz crystals can be more or less temperature-sensitive, so it is in fact possible to get one that will wander less when the surrounding temperature changes. It's possible to cut a crystal so that it has a near-zero temperature coefficient at a specific

Re: [ntp:questions] Bug 1700 - Clock drifts excessively at polling levels above 256.

2011-04-23 Thread unruh
On 2011-04-22, Mischanko, Edward T edward.mischa...@arcelormittal.com wrote: 256. My system clock drifts excessively when polling above 256 in a Windows environment, as much as 5 ms or more. I have made changes to .../ntpd/ntp_loopfilter.c CLOCK_PLL, CLOCK_FLL, CLOCK_LIMIT, and CLOCK_PGATE

Re: [ntp:questions] Windows time question.

2011-04-23 Thread kbv
In article iooo7b$m3b$1...@dont-email.me, david- tay...@blueyonder.co.uk.invalid says... Hi David. Long time no speak. Oops, I missed the callsign! Hope all is well. I'd ordinarily love to, but this is the works machine I carry arround places etc. Our illustrious IT droids have no

Re: [ntp:questions] Bug 1700 - Clock drifts excessively at pollinglevels above 256.

2011-04-23 Thread Mischanko, Edward T
Your question is a very good one that I don't know the answer to. I have observed this behavoir while actually watching NTP Time Server Monitor by Meinberg, live. I didn't anticipate any power saving features as being active. I have seen a correction in the behavior by changing the PLL and