is a very important application that wants to know
as far in advance as possible: the "Tell the humans" application.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to
0a2 0.285215728
18 -1198 25 274 00 850 0a2 0.301992944
22 1007 17 317 00 850 0a2 0.369101808
27182 83 285 00 850 0a2 0.452987888
28 -2682 33 58 00 8 49 0 a2 0.469765104
--
Poul-Henning Kamp
odel of PicoPSU.
Some of them are strictly 12V, they just connect the input to the
12V rail. Others have car and truck compatible input ranges.
I belive they use the color of the ATC connector to indicate
the input range.
http://www.mini-box.com/DC-DC
--
Poul-Henning Kamp | UNI
-4GHz these
days, so I would expect you could find something that can be used...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be exp
very interesting time-nuts features with respect
to the GPIO pins. Unfortunately I have not been able to find out if
these pins are accessible on the Intel ethernet cards.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer
I know the GPIB-ETH is just like the GPIB-USB, except you
open a socket in stead of as (usb-) serial port.
I switched from C to python for stuff like this.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD
in inclination)
stellar transits relative to each other.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained
ordinate system and the position of
the telescope the unknown, so you did it by observing stars with
documented coordinates with your new telescope and then you set
your clock and calculated your lattitude accordingly.
Remember: back then longitude and time were as single convolved coordinate.
-
In message <041401ccda19$21917480$64b45d80$@pop.net>, "John Miles" writes:
>> For porlogix I'll take a look at the timelab source,
We really need a tine-nuts wiki to record stuff like this...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org
e of a rotating
liquid metal mirror to a lesser degree to interaction with the earths
magnetic field.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequate
ra/telescope/transit-circle has a known
and stable geometric relationship to the planet Earth.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be
ld not represent a parallax error in our measurements of their
posisiton.
The measurements are done with VLBI, which is a good google search
to learn more about this.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer
in several European
>cities.
They are not used for cars here in Denmark because a certain testosterone
driven segment of drivers think they are in pole-position when they see
a count-down.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 95
act length, but seeing a lot more
>examples lately.
You are not the first researcher of this interesting phenomena:
http://www.washingtonpost.com/opinions/cellphone-ban-would-be-a-distraction/2011/12/16/gIQAdv2GyO_story.html
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@fre
because I
>have been looking for one.
Check out the ADUC 7061 chip from analog: ARM7 + 2x24bit ADC.
The ADC ony does 8ksps and generally levels out around 21 bits, but still
very interesting for many purposes, in particular because of the built
in chopper.
--
Poul-Henning Kamp | UNI
m, where the
satellite tells the stations when their chance is ?
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by
s://picasaweb.google.com/lh/photo/q7Lq4oAX_0347S8BO0eHSA
Did you try to hold the battery in your hand while you did that ? :-)
Be aware that once you get to approx microvolt, you have to take
into account things like the temperature difference between plug and
socket because the thermoelectric e
s of sodium from the
cooling system creating quite a mess.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be expla
nt
preformance, you circulate a constant temperature liquid in the
cooling circuit using a little pump and a peltier.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice wha
In message <201201062016.q06kg3vj016...@mail32c40.carrierzone.com>, ed breya wr
ites:
>That stuff at Home Depot is the way to go. You can use regular
>styrofoam [...]
Just remember that clean styrofoam is great at static electricity...
--
Poul-Henning Kamp | UNIX since Zil
mperature differences.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
___
tim
the kind you put under your sleeping bag ?
They're cheap, and usually impregnated against anything that might
conceiveably try to eat them.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-ta
|
>> - C1
>> -
>> |
>> GND
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD com
eakage entirely ?
[Some op-amp] >-++-->
||
| -
| -
| |
+--||+
|
-
-
|
|
GND
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC
In message
, Chris Albertson writes:
>Anyone know how to read Isotemp OXCO131 part numbers?
The suffix is a design number, and you cannot infer any specification
from it, not even age, since some designs were produced over a long
period of time.
--
Poul-Henning Kamp | UNIX since Zi
all that delay in the cheap coax they
>> use !!
>>
>> 73, Dick, W1KSZ
>
>.. or a simpler decompression algorithm, or faster processor
Most likely the TV with the larger display buffers more in order to
be able to interpolate in higher quality.
--
Poul-Henning Kamp
n
> variation.
Some newer GPS's have a built in accelerometer chip and will apply
much more rigid filters if no motion is detected. If done well,
it works great, if done badly you tap your GPS receiver lightly
and the position jumps 50 meter in a random direction.
--
Poul-Henning Kamp
D source code, and I'm sure he has other complaints
about my person as well.
I on the other hand, only wish Micahel would seek professional help
for his mental problems.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD commi
In message <4eee405b.3050...@pacific.net>, Brooke Clarke writes:
>DO NOT REPLY TO THIS MESSAGE HERE.
s/REPLY TO/POST/ ?
Talk about being totally of-topic for time-nuts...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD
In message <015001ccbc34$7ce893c0$76b9bb40$@rr.com>, "Tom Holmes" writes:
>Of course he does since he wants to sell his newly developed filters.
My guess: His newly developed *and patented* filters. Javad is a
very, very capitalistic guy.
--
Poul-Henning Kamp | UN
.co.uk/2006/07/28/the_odd_body_death_by_battery/
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explaine
ps
and gotten away with less than 1% of the original capacitance by doing
a bit of calculations and measurements on the actual circuit.
In one case, an audio circuit had 1000uF for a handful of opamps,
using 4.7uF of good film capacitors instead reduced THD by 80%.
--
Poul-Henning Kamp
Has any of you played with this:
http://www.sparkfun.com/products/8238
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by
stant loads, such as X-tal oscillators.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
__
In message <4ec95f99.80...@rubidium.dyndns.org>, Magnus Danielson writes:
>On 11/20/2011 08:55 PM, Poul-Henning Kamp wrote:
>It seems that nature has something to teach us. A whole bunch of new
>physics have something new to work on. :)
One of the really interesting things abo
ctromagnetic nature, there is really no reason to think relativity
applies to them.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explai
other LORAN-C receiver can use. Your nearest station may be
one of the Russian "Chayka" stations.
PS: But I'm in the market for a cheap FS700, if you want to get
rid of it again, but we need to find a sensible way to ship it
to Denmark...
--
Poul-Henning Kamp | UNIX since Zil
t all. At least i
>couldnt find any papers or other documents describing frequency
>standards build on these elements.
I belive K has been tried.
I belive the preference for H, Rb & Cs is that getting them as
single atoms doesn't require high temperatures.
--
Poul-Henning Kamp
In message <4ea481bd.20...@earthlink.net>, Jim Lux writes:
>On 10/23/11 11:39 AM, Poul-Henning Kamp wrote:
>I think the electromechanicals top out at 110 bps, [...]
Actually 300 bps.
Tape readers/punches were much faster than type-writers and later
typewriters (ball/daisy-whee
5% into the start bit, because the prell is not symmetric,
but this was not adopted.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequatel
sly causing packet delays and you can hook it into a switch and
>get delays and packet losses there.
I usually cure that by using fiber-based ethernet, which leaves a lot
less to plug it into. Also firewall rules preventing anything but
port 123 packets helps a lot.
RS-232 has surprisingly bad jitt
eral purpose, tester for
>Old (and new) equipment.
That procedure is fine for linear power-supplies, but not resonably
modern switch-modes. In particular, anything that has PFC correction
is not going to respond too well to variable voltage like that.
--
Poul-Henning Kamp | UNIX since Zilo
e brew stuff.
USNO gave up on stainless, too much magnetic field.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequatel
laser-based cesium to consider.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by i
;t
need 4 separate shields, niobium surface etc.
That said, it's probably not a one weekend task.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what
No mention was made thereof.
With good getters I'm not sure the water would be a problem.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequatel
Gentlemen, start your lathes...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by in
co people keep their hands off after the calibration.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be expla
saying "put it in an ASCII text file".
Well, it's easier to deal with newlines in strings in XML, but otherwise
I fully agree :-)
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBS
ock path is actually used as sort
of a filter for the neutrinos, nothing else goes through 730km bedrock
so if you see anything coming from that direction, you can be pretty
certain that it is neutrinos.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC
ission requirements. There is a
heck of a difference between a commercial geo-stationary comms
satelite and Gravity Probe B and Gaia.
One can always say "put it in XML and hope for the best" but
that's not much of a standard, is it ?
--
Poul-Henning Kamp | UNIX
m one example
is generalizing from no examples at all.
(From Gettys rules for X11)
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to
week, if we get anywhere
near each other, I'd be happy to talk, shoot me an email: p...@freebsd.org
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-taho
t on photons
having rest-mass, because that would leave the theory of relativity
standing and confine the damage to only the already somewhat troubled
standard-model.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer
ivity
is in trouble.
If 3 >= 1 > 2, then only the standard model is in trouble, relativity
unaffected.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what ca
In message
, brent evers writes:
>What's the particular application of those two specific freqs? I.e.,
>multiple (fundamental) of a specific gps clock, etc?
Telecom.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBS
In message <20110916084529.80082q5qgwy5p...@host111.hostmonster.com>, xaos@dark
smile.net writes:
And you can forget most physicists and metrologists as well, the do not
want wavelengths, half-lifes and energies to depend on the time of day...
--
Poul-Henning Kamp | UNIX since Zilo
em about
configurations which are unstable, but in general the thinking that
it would be possible to build an analytical model of the grid died
with decentral productions uptake a decade ago.
Try running a suitably windowed FFT on your data...
--
Poul-Henning Kamp | UNIX since Zilog Zeu
he
satelites used.
You may find some inspiration here:
http://phk.freebsd.dk/raga/sneak/
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequatel
eq.png
In your /etc/ntp.conf, make sure all "server" lines have "maxpoll 6"
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adeq
e-sign".
The only thing you have to document subsequently, is that all cars
had at least one tire kicked.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malic
screen.
Make sure you have not set it to a 75dpi type by accident, I did
that once and spent some time figuing out what was going on.
I usually use the EPS format since that is that doesn't get distorted
when you scale it in a document.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.2
scope does not send
EOI to signal that the screen-dump is complete, you have to look
out for the ASCII Form-Feed (0x0c) character.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attrib
ook: They pushed the button on all but three above ground
detonations and on almost all the underground ones as well.
>From: Poul-Henning Kamp
>To: li...@lazygranch.com
>To: Discussion of precise time and frequency measurement
>Subject: Re: [time-nuts] Looking for information on
>E
funny & interesting book:
http://www.amazon.com/NUCLEAR-HOSTAGES-Bernard-J-OKeefe/dp/0395340721
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what ca
her than 50Z
Mind you, I don't dispute that you may be right, I just don't think
you have data to back up your claim...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never a
In message , "Bob Camp" writes:
>The blocking cap on the input to the Trask amp really isn't needed
>with a monopole. It's also unlikely to survive
>the summer. The real question is weather if fails open or as a short...
I put mine up two years ago, and it still wo
http://ing.dk/artikel/96239-min-stakkels-revisor
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately
.
In the other end it reliably pulls out the Russian ELF (OMEGA like)
navigation system down around 10kHz.
Chris mentioned that a kit might be underway, but I havn't seen
any sign of it anywhere...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP sinc
In message , Mark Sims writes:
>
>I have a couple of the horrid little beasties... the sine wave
>output is really nasty.
Nasty in what way ? Noise ?
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer |
I'm in the market for a new Rb for general use, and noticed that we have
heard surprising little about the X72 on the list ?
Anybody got any experience to share ?
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD comm
is also a paper clock, and the real time approximations of it,
UTC(NPL), UTC(NIST) etc, are exactly as good or bad as their TAI
parallels.
In fact, they are by *definition* exactly as good or bad, because
UTC is defined as an integral number of seconds offset from TAI.
--
Poul-Henning Kamp
In message <20110810074152.496cb081.att...@kinali.ch>, Attila Kinali writes:
>On Fri, 15 Jul 2011 05:57:45 +0000
>"Poul-Henning Kamp" wrote:
>
>> Everybody but the time-lords have always been told to stay away from
>> TAI in the strongest possible terms by s
BSTJ has been put online, and amongst other gems are Marrisons
paper on quartz clocks from 1948:
http://www.alcatel-lucent.com/bstj/vol27-1948/bstj-vol27-issue03.html
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD
them in both
directions over time (weeks, months).
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by
ansformer phase-lag
in the grid, but the real test is to collect more data and see if
you ever see the difference move the other way.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attr
ll events as possible, so high activity is
bad because you run into detector dead-time and double events.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can a
uple of hundred miles north of Tokyo ?
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
_
3.5*N because every laptop and UPS starts charging
their batteries.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequ
In message <4e30be7c.7060...@comcast.net>, Steve Longcor writes:
>The M12 is 3V logic. I assume the net4501 is 5V logic,
No, the net4501 is 3.3V.
Also: COM2's TXD and RXD are available at 3.3V level in the GPIO
connector.
--
Poul-Henning Kamp | UNIX since Zil
NASS.
Since the LORAN-C cost was a small fraction of the Galileo cost,
this was not the desired result and the report was supressed
("until Galileo is in operation")
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer
re
it over a year, you need a Cs to measure against.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequat
d have not been since the USCG
left them approx 20 years ago.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained
tps://github.com/bsdphk/pylt
> Big advantages over using Ethernet if you don't already have a network setup.
Ethernets big advantage is that it is galvanically isolated, USB is not.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
Free
ounter in software.
The obvious idea for advanced functionality is calculation of
allan deviations
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequat
an operate
on first derivative of the RTT, which turns the routed upgrade into
a single spiky sample, but the cost is an overall higher noise in
your error signal.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD sin
selected pool servers. It would be far easier to spoof WWV,
>just set up a transmitter.
NTPd does build a consensus, it picks a winner.
If you want to do something like this, the one thing you want to
do is hand-pick the NTP server you use, and clamp its minpoll/maxpoll
to the same value.
Rb on a huge lump of iron which you can keep at a
constant temperature around 35-40°C by natural convection.
Iron is better than Cu/brass/Al because it conducts heat slower and
less eagerly, thus attenuating ambient temperature fluctuations.
--
Poul-Henning Kamp | UNIX since Zilog Z
gone before you know it. :-)
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
___
ed up to a 8-digit LED
display and an xtal, containing the entire digital part of a
frequency counter.
Alternatively, many microcontrollers have counter-inputs that can
run that fast.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD
use that for whatever you want.
Leap-seconds on the other hand are global and controlled by only
the thinnest laquer of democratic control, so that is in no way
comparable.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer
d, other than we will know leap seconds 20 years in advance.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained
to catch up with it over the next
couple of decades.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explaine
without one.
Nope, once they have scheduled a leap-second, it happens.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by
ery 20 seconds".
If the time-lords want a leap second 2031-12-31, the have to say so
before before 2011-12-31, if they want one 2032-06-30, they have
to say so before 2012-06-30, etc.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeB
In message <4e2046db.3040...@erols.com>, Chuck Harris writes:
>Poul-Henning Kamp wrote:
>I can see a 20 year prediction being seriously fraught with error.
Not really, starting out with just one leap second every 18 months
gets you pretty good first approximation. DUT1 would proba
In message <4e203b6e.8090...@earthlink.net>, Jim Lux writes:
>On 7/14/11 10:54 PM, Poul-Henning Kamp wrote:
>I think to do this kind of thing on a detectable scale with manmade
>cause, we'll need to resort to some serious terraforming (bwahaha..
>project plowshare,
than
>the Poul-Henning I am used to. I hope I am not treading on ground
>you feel already is too well covered.
It is very well covered on the leapsecs list, so I sort of think
we should avoid rehashing all the same arguments and facts on
this list also.
--
Poul-Henning Kamp | UNIX si
960-ies, and it didn't work for anybody at all.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explaine
ol is almost certainly
a prerequisite.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by
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