Re: [ntp:questions] FLL instability

2013-01-06 Thread David Taylor
On 06/01/2013 06:29, Mischanko, Edward T wrote: I have tinker allan 7 in my ntp.conf, as recommended, but I notice that the frequency is adjusting wildly starting with polling at 128 seconds. Is something wrong with the way FLL is implemented? [] Where is this recommended? URL, please.

Re: [ntp:questions] FLL instability

2013-01-06 Thread Mischanko, Edward T
-Original Message- From: questions- bounces+edward.mischanko=arcelormittal@lists.ntp.org [mailto:questions- bounces+edward.mischanko=arcelormittal@lists.ntp.org] On Behalf Of David Taylor Sent: Sunday, January 06, 2013 2:18 AM To: questions@lists.ntp.org Subject: Re:

Re: [ntp:questions] FLL instability

2013-01-06 Thread David Taylor
On 06/01/2013 08:45, Mischanko, Edward T wrote: [] This was recommended to me on this list several months ago. I am running my windows client on a corporate LAN and it was suggested that the PLL would not correct fast enough at polling intervals over 128 seconds. The problem I am seeing is

[ntp:questions] high jitter and offset with linux and sure GPS

2013-01-06 Thread Olivier Frappier
Hi, I'm unable to have 1us precision with Sure GPS card and NTP : _ ubuntu 12.04 LTS / Kernel 3.2 _ SURE GPS : http://www.satsignal.eu/ntp/Sure-GPS.htm (PPS modifications done) - ntp atched with timepps.h (but i'm not sure it's work) 09.pps.rules :

Re: [ntp:questions] FLL instability

2013-01-06 Thread unruh
On 2013-01-07, Richard B. Gilbert rgilber...@comcast.net wrote: On 1/6/2013 3:45 AM, Mischanko, Edward T wrote: -Original Message- From: questions- bounces+edward.mischanko=arcelormittal@lists.ntp.org [mailto:questions- bounces+edward.mischanko=arcelormittal@lists.ntp.org]