unruh wrote:
No I would not. That is not what ntpd does. It really does throw away 7
of the samples and never uses them. The whole question is what is the
best statistic to use. I do not believe that the shortest roundtrip
time is that best statistic. If you could convince me it is, I would be
On Fri, Mar 23, 2012 at 11:49:19AM +0100, Terje Mathisen wrote:
unruh wrote:
No I would not. That is not what ntpd does. It really does throw away 7
of the samples and never uses them. The whole question is what is the
best statistic to use. I do not believe that the shortest roundtrip
time
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012, unruh wrote:
In addition, it should be noted that in the case of serial PPS
the system time may lag behind UTC by tens of microseconds.
tens of microseconds? Where does this come
On Mar 23, 9:49 am, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012, unruh wrote:
In addition, it should be noted that in the case of serial PPS
the system time may lag behind UTC by tens
Miroslav Lichvar wrote:
On Fri, Mar 23, 2012 at 11:49:19AM +0100, Terje Mathisen wrote:
But I think a much bigger problem with the clock filter and PLL
combination is that it can't drop more than 7 samples. When the
network is saturated, it's usually better to drop much more than. If
the
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012, unruh wrote:
In addition, it should be noted that in the case of serial PPS
the system time may lag behind UTC by tens of
On 2012-03-23, Terje Mathisen terje.mathisen at tmsw.no wrote:
unruh wrote:
No I would not. That is not what ntpd does. It really does throw away 7
of the samples and never uses them. The whole question is what is the
best statistic to use. I do not believe that the shortest roundtrip
time is
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
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012, unruh wrote:
In addition, it should be noted that in the case of serial PPS
the system
On Fri, 23 Mar 2012, Alby VA wrote:
How much is that GPS170PCI card?
I do not know the current price. I'm guessing well over 1000 euros.
Karel Sandler
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Hi all,
YEA! My Sure Electronics GPS just arrived. I ordered on 03/05/12 and
it arrived on 03/23/12, so it took 18 days.
My configuration is:
GPS USB port -- PC 2nd USB port - for power only
GPS serial port -- Trendnet TU-S9 (Prolific based) serial - USB adapter
-- PC 1st USB port (same
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012, unruh wrote:
In addition, it should
NOTIFICATION OF GPS JAMMING EXERCISES SALISBURY PLAIN, WILTSHIRE, 7TH MAY
2012
Dates: Between the 7th of May and the 11th of May 2012 (Inclusive).
Times: : 0700 - 2000 GMT.
Location of MULTIPLE jammers: Land based within 5km of N51° 12', W001°
58.5'.
Frequency: A 24 MHz band centred around
Hi all,
YEA! My Sure Electronics GPS just arrived. I ordered on 03/05/12 and
it arrived on 03/23/12, so it took 18 days.
[]
I have a question for someone with experience with the board. If I
unplug the board, will it retain it's programming, or will it lose it?
If it retains it, how long
Sorry, just realised what you meant by programming-- change in baud
rate, sentence delivery, etc. I use the default ( and use the PPS from
the Sure for the actual timing via either the serial port (with
pps_ldisc on linux) or with the parallel port and a special program I
wrote to handle the
On 2012-03-23, Ron Frazier (NTP) timekeepingntpl...@c3energy.com wrote:
Hi all,
YEA! My Sure Electronics GPS just arrived. I ordered on 03/05/12 and
it arrived on 03/23/12, so it took 18 days.
Yes, you pay for the cheapness by slowness. Note that you want to keep
eyes on the antenna. If
How often should an individual peer write an entry to the peerstat log?
Is it supposed to occur every time the peer is polled or only once
every certain number of polls?
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On Sat, Mar 24, 2012 at 00:01, A C agcarver+...@acarver.net wrote:
How often should an individual peer write an entry to the peerstat log? Is
it supposed to occur every time the peer is polled or only once every
certain number of polls?
I presume every response is logged, which may be
On 3/23/2012 17:07, Dave Hart wrote:
On Sat, Mar 24, 2012 at 00:01, A Cagcarver+...@acarver.net wrote:
How often should an individual peer write an entry to the peerstat log? Is
it supposed to occur every time the peer is polled or only once every
certain number of polls?
I presume every
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-23, Karel Sandler sand...@ujf.cas.cz wrote:
On Fri, 23 Mar 2012, unruh wrote:
On 2012-03-22, Karel Sandler sand...@ujf.cas.cz wrote:
On Thu, 22 Mar 2012,
On 3/23/2012 17:25, Dave Hart wrote:
On Sat, Mar 24, 2012 at 00:13, A Cagcarver+...@acarver.net wrote:
On 3/23/2012 17:07, Dave Hart wrote:
I presume every response is logged, which may be slightly less often
than every poll interval in case of lost traffic. Are you seeing
something else?
On Fri, Mar 23, 2012 at 4:39 PM, unruh un...@invalid.ca wrote:
Sorry, just realised what you meant by programming-- change in baud
rate, sentence delivery, etc. I use the default ( and use the PPS from
the Sure for the actual timing via either the serial port (with
pps_ldisc on linux) or with
Hi all,
I just discovered an interesting thing about the Sure board's serial -
USB converter. I went ahead and installed the driver. With this serial
- USB converter, which is a Silicon Labs CP210x chipset, no matter which
USB port I plug it into, it becomes COM6, which was the next one
On 2012-03-24, A C agcarver+...@acarver.net wrote:
How often should an individual peer write an entry to the peerstat log?
Is it supposed to occur every time the peer is polled or only once
every certain number of polls?
Every time it is polled. (ntpd writes to the file, the peer does not
Folks,
I have received notice that the MSF 60 KHz signal from Anthorn, Cumbria,
UK will be off-air 08:00 UTC Mon 2012-Mar-26 to 20:00 2012-Apr-06. The
service may be off-air continuously during the period, but will be
restored overnight and at the weekend whenever possible.
Cheers,
David
On 3/23/2012 20:48, unruh wrote:
On 2012-03-24, A Cagcarver+...@acarver.net wrote:
How often should an individual peer write an entry to the peerstat log?
Is it supposed to occur every time the peer is polled or only once
every certain number of polls?
Every time it is polled. (ntpd writes
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