On Thu, 11 Aug 2011 09:20:04 -0700
"Tom Van Baak" wrote:
> What is missed in many discussions about time scales is intent
> or implied accuracy. If I manually adjust my Pacific Daylight
> Time wrist-watch ahead by 7 hours does it then become a UTC
> watch? If I further adjust it by 0.3 seconds ca
On Thu, Aug 11, 2011 at 03:03, Mike S wrote:
>
> And who, exactly, says "don't use TAI?" Is this documented somewhere, or do
> you have to be a member of the secret time society which wants to control it
> all?
For starters, we[1] are not called the "Secret Time Society". That would be
a dead
On 11/08/11 18:20, Tom Van Baak wrote:
My Dual Scale Timekeeper will recover TAI from GPS by adding a constant
19 s offset, and it will track and serve out TAI in addition to UTR.
What is usually meant by "TAI" is the single extremely accurate,
post-processed, paper time-scale managed by BIPM.
My Dual Scale Timekeeper will recover TAI from GPS by adding a constant
19 s offset, and it will track and serve out TAI in addition to UTR.
What is usually meant by "TAI" is the single extremely accurate,
post-processed, paper time-scale managed by BIPM. TAI itself
is derived from EAL and other
Le 11/08/2011 16:25, Jose Camara a écrit :
The clock animations at http://www.leapsecond.com/java/gpsclock.htm are
great, but one has to pay attention to the note at top, saying they are all
based on your PC's clock, not actual time. If your pc is off 5 seconds, so
will be all of those clocks.
-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of mike cook
Sent: Thursday, August 11, 2011 1:02 AM
To: time-nuts@febo.com
Subject: Re: [time-nuts] Why not TAI?
> MJD , Modified Julien Date is the above -240,5 to keep the numbers
> down. This was recognised as a ti
MJD , Modified Julien Date is the above -240,5 to keep the numbers
down. This was recognised as a time scale by the IUT. I think it is
now deprecated but is in common use.
There are probably others.
Oops, typo.. It should be UIT or ITU and not IUT and I forgot the cavet.
In general any
Le 11/08/2011 08:57, Attila Kinali a écrit :
On Wed, 10 Aug 2011 16:35:11 +0200
cook michael wrote:
If TAI is a paper clock, what else should be used if a strictly monotone
time scale is needed?
Do you have any specific application in mind?
If you need an SI seconds rated scale, then you need
On Wed, 10 Aug 2011 16:35:11 +0200
cook michael wrote:
> > If TAI is a paper clock, what else should be used if a strictly monotone
> > time scale is needed?
> Do you have any specific application in mind?
> If you need an SI seconds rated scale, then you need something based on
> TAI. GPS time
On 10/08/11 21:03, Mike S wrote:
At 02:42 PM 8/10/2011, Magnus Danielson wrote...
Much of todays "proliferation of UTC" or whatever it is being called,
is due to the need of a TAI-like scale in a number of systems due to
technical reasons. The time-lords could have avoided that from the
start by
At 02:40 PM 8/10/2011, Brooke Clarke wrote...
There's been talk of a 19 second offset, but it may be 34 seconds,
see:
http://hpiers.obspm.fr/eoppc/bul/bulc/UTC-TAI.history
The mention of "19 seconds" was in relation to GPS time, which is
probably the most widely used source, from which other
At 02:42 PM 8/10/2011, Magnus Danielson wrote...
Much of todays "proliferation of UTC" or whatever it is being called,
is due to the need of a TAI-like scale in a number of systems due to
technical reasons. The time-lords could have avoided that from the
start by acknowledging that use of TAI w
On 10/08/11 20:24, Michael Sokolov wrote:
Poul-Henning Kamp wrote:
That is a very good question, the answers you get if you try to press
this point starts with handwaving and ends with "look, just don't, OK ?"
And what happens if you ignore their edicts and do it anyway? It's
called Civil D
Hi:
There's been talk of a 19 second offset, but it may be 34 seconds, see:
http://hpiers.obspm.fr/eoppc/bul/bulc/UTC-TAI.history
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.End2PartyGovernment.com/
___
time-nuts mailing list -- time-nu
Poul-Henning Kamp wrote:
> That is a very good question, the answers you get if you try to press
> this point starts with handwaving and ends with "look, just don't, OK ?"
And what happens if you ignore their edicts and do it anyway? It's
called Civil Disobedience. Using TAI is just like refus
Hi:
A friend has an observatory and needs very precise time. It turns out
that the best way is to command the system to point to some star then
manually move the scope to put the star on the cross hairs. Doing this
a half dozen times and then fitting the data results in the system
knowing t
time-nuts@febo.com
Subject: Re: [time-nuts] Why not TAI?
Le 10/08/2011 12:55, Attila Kinali a écrit :
>
> If TAI is a paper clock, what else should be used if a strictly monotone
> time scale is needed?
Do you have any specific application in mind?
If you need an SI seconds rated s
Le 10/08/2011 12:55, Attila Kinali a écrit :
If TAI is a paper clock, what else should be used if a strictly monotone
time scale is needed?
Do you have any specific application in mind?
If you need an SI seconds rated scale, then you need something based on
TAI. GPS time has a TAI second rate
On Wed, 10 Aug 2011 19:16:33 +1200
Bruce Griffiths wrote:
> > May i ask what the reason was to stay away from TAI?
> > I mean, it is obvious (for me) that for any application that needs
> > a steady, continious and monotone clock that TAI is one of the best
> > alternatives among all those time s
In message <4e425909.7050...@xtra.co.nz>, Bruce Griffiths writes:
>These "local'' versions of TAI -TAI(NPL), TAI(NIST) etc, are also paper
>ensemble averages and only a coarse approximation of them is available
>in real time.
This argument is pretty vacuous:
UTC is also a paper clock, and the
Magnus Danielson wrote:
On 10/08/11 09:16, Bruce Griffiths wrote:
Attila Kinali wrote:
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
Everybody but the time-lords have always been told to stay away from
TAI in the strongest possible terms by said time-lords, who again and
told
On 10/08/11 09:16, Bruce Griffiths wrote:
Attila Kinali wrote:
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
Everybody but the time-lords have always been told to stay away from
TAI in the strongest possible terms by said time-lords, who again and
told the world to use UTC.
Ma
On 10/08/11 09:09, cook michael wrote:
Le 10/08/2011 07:41, Attila Kinali a écrit :
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
Everybody but the time-lords have always been told to stay away from
TAI in the strongest possible terms by said time-lords, who again and
told the
In message <20110810074152.496cb081.att...@kinali.ch>, Attila Kinali writes:
>On Fri, 15 Jul 2011 05:57:45 +
>"Poul-Henning Kamp" wrote:
>
>> Everybody but the time-lords have always been told to stay away from
>> TAI in the strongest possible terms by said time-lords, who again and
>> told th
Le 10/08/2011 07:41, Attila Kinali a écrit :
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
Everybody but the time-lords have always been told to stay away from
TAI in the strongest possible terms by said time-lords, who again and
told the world to use UTC.
May i ask what the r
Attila Kinali wrote:
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
Everybody but the time-lords have always been told to stay away from
TAI in the strongest possible terms by said time-lords, who again and
told the world to use UTC.
May i ask what the reason was to s
On Fri, 15 Jul 2011 05:57:45 +
"Poul-Henning Kamp" wrote:
> Everybody but the time-lords have always been told to stay away from
> TAI in the strongest possible terms by said time-lords, who again and
> told the world to use UTC.
May i ask what the reason was to stay away from TAI?
I mean, i
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