A spare Linux machine with a 192 KHz sound card could generate the signal
directly,
then use a modified audio amp to boost the signal. You could write the
software to
emulate a choice of stations.
Chuck,
There's software under leapsecond.com/tools that you'll find
helpful in this effort (wwv
> A time code generator is included in the NTP distribution. By default it is
> not built. I think it is a .C file that likes in a directory called
> "test". This software is designed for testing time code receivers
The one I know about is util/tg2.c
>From the top of the code:
* This prog
On Wed, Nov 30, 2011 at 7:38 AM, Chuck Forsberg WA7KGX N2469R
wrote:
> A spare Linux machine with a 192 KHz sound card could generate the signal
> directly,
> then use a modified audio amp to boost the signal. You could write the
> software to
> emulate a choice of stations.
A time code generato
A spare Linux machine with a 192 KHz sound card could generate the
signal directly,
then use a modified audio amp to boost the signal. You could write the
software to
emulate a choice of stations.
On 11/30/2011 06:19 AM, Robert Deliën wrote:
Since we dont have WWVB here in Australia, and sinc
> Since we dont have WWVB here in Australia, and since I have an oregon
> weather station that wants WWVB to timesync to, I am also building a
> small WWVB emulator, to make it work correctly.
Or you can get your WWVB generator on eBay:
http://www.ebay.com/itm/120714765000
For the price it'd be in
Richard H McCorkle wrote:
Time-Nuts,
New members to the Time-Nuts list may wonder if the Time-Nut disease
has infected them just by joining the list. A clear indication that
someone has been infected with the Time-Nut disease is they own a
reference that provides accurate time to better than 1us
Maybe I should have closed with
"Carpe diem, quam minimum credula postero "
___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
hard W. Solomon"
To: "Discussion of precise time and frequency measurement"
Sent: Tuesday, October 26, 2010 8:52 PM
Subject: Re: [time-nuts] Determining Time-Nut infection severity
Man, you guys really have a lot of spare time on your hands ...
Please, Mr. NIST, give us another L
: [time-nuts] Determining Time-Nut infection severity
>
>To sort of make an on/off topic comment, here in NY, we have recently
>begun using hypothermic protocol on cardiac arrest patients that have
>undergone a reversal. If the heart has stopped and been restarted
>either with a defib
To sort of make an on/off topic comment, here in NY, we have recently
begun using hypothermic protocol on cardiac arrest patients that have
undergone a reversal. If the heart has stopped and been restarted
either with a defib or by CPR alone and we are on scene in a short
enough span of time, we ca
> There is one case in which a Swedish medical student was out skiing in
> Norway and went through the ice and was being held there by the strong
> water. It took them 45 min just to get her out of the water. Her heart had
> stopped. Her respiration had stopped. She have had no pulse or breath f
On 10/25/2010 10:16 PM, Marshall Eubanks wrote:
On Oct 25, 2010, at 12:49 PM, Bill Hawkins wrote:
Normally, the brain dies from lack of oxygen to maintain cellular
activity. Not only is this not instantaneous, it is the cause of
stories of seeing a light at the end of a tunnel that are told by
On 10/25/2010 04:21 PM, William H. Fite wrote:
Mike is correct. Brain activity does not screech to a halt but peters out
over a period of minutes once the heart stops beating.
When we (I'm in the medical field and not, by any stretch of the imagination
an engineer) speak of someone being "brain
The boss in this household has added
What he forgot was that the patient will have no concept of time in
the "real world" and frequently be late for any event including his
own funeral!
Phil
___
time-nuts mailing list -- time-nuts@febo.com
To unsu
On 26 October 2010 12:07, Ed, k1ggi wrote:
> -Original Message-
> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
> Behalf Of William H. Fite
>
> So.I see no way in which one could determine with precision when life
> ends. At least not with the precision that
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of William H. Fite
So.I see no way in which one could determine with precision when life
ends. At least not with the precision that this group would consider even
minimally acceptable.
On Oct 25, 2010, at 12:49 PM, Bill Hawkins wrote:
> Normally, the brain dies from lack of oxygen to maintain cellular
> activity. Not only is this not instantaneous, it is the cause of
> stories of seeing a light at the end of a tunnel that are told by
> those who have been brought back from lega
ime and frequency measurement<
> time-nuts@febo.com>
> Reply-To: a...@comcast.net,
> Discussion of precise time and frequency measurement
>
> Subject: Re: [time-nuts] Determining Time-Nut infection severity
>
> I suspect that at time of death, brain activity
> doesn&#x
On 10/25/2010 11:49 AM, Bill Hawkins wrote:
> It would take an extraordinary ego to believe that anyone would
> care about your exact time of death.
or be sufficiently obsessive-compulsive... Oh. Wait.
--
mailto:o...@ozindfw.net
Oz
POB 93167
Southlake, TX 76092 (Near DFW Airport)
__
It started as a joke!
-John
> Normally, the brain dies from lack of oxygen to maintain cellular
> activity. Not only is this not instantaneous, it is the cause of
> stories of seeing a light at the end of a tunnel that are told by
> those who have been brought back from legal d
Normally, the brain dies from lack of oxygen to maintain cellular
activity. Not only is this not instantaneous, it is the cause of
stories of seeing a light at the end of a tunnel that are told by
those who have been brought back from legal death.
Two observations:
You can't have everything. Wher
From: Mike Naruta AA8K
Sender: time-nuts-boun...@febo.com
Date: Mon, 25 Oct 2010 06:26:41
To: Discussion of precise time and frequency measurement
Reply-To: a...@comcast.net,
Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Determining Time-Nut infect
Mike is correct. Brain activity does not screech to a halt but peters out
over a period of minutes once the heart stops beating.
When we (I'm in the medical field and not, by any stretch of the imagination
an engineer) speak of someone being "brain dead" or "flat line EEG," we
don't really mean t
ave only
>> powered up one of my Rb standards... and have a LOT of "kits" to build
>> etc.) you'd probably ALL place my TOD pretty quickly. ;)
>>
>> - Original Message - From: "Magnus Danielson"
>>
>> To:
>> Sent: Sund
: [time-nuts] Determining Time-Nut infection severity.
To: j...@quik.com, "Discussion of precise time and frequency measurement"
Date: Monday, 25 October, 2010, 4:54
J. Forster wrote:
> If your TOD is to be measured with sub-nanosecond accuracy, where do you
> measure from? The
In a message dated 25/10/2010 13:02:49 GMT Daylight Time,
paul_gr...@greenrover.demon.co.uk writes:
As indeed care would need to be taken to ensure that the measuring
instrument doesn't affect the DUT
DUT.Death Under Test? :-)
___
course, careful planning and design needs to be taken in the choice of
circuitry and construction so as to all the hat to be cleaned. There
is, of course, the faint possibility of death during the swapping of
but some careful planning of how to do the hat swap may alleviate this
window.
As ind
I suspect that at time of death, brain activity
doesn't instantly cease, but decays.
Unless we would be able to monitor all brain
activity, we are stuck with a bald man paradox,
perhaps calculating the half-life of brain activity.
Maybe we could attempt to measure the weight of
the departing sou
Only to die and in a split second the mysteries of the universe
will open to you and you will realize that "time" was relative and
subjective and can be varied by certain "jokers".
And, most importantly, your grandfather's "grandfather clock"
(you know, the one in the living room with the gargoyl
OK, this is an interesting problem, but don't take anything I say
seriously, unless, of course, the shoe fits.
Consider the end stages of TNI. You have acquired everything that
can be acquired. Nothing holds any secrets from you, and so there
are no challenges left. Agreed, some of us will run out
> A valid point has been brought up. What does a Time-Nut do with his
> equipment when he dies.
> Actually, I am serious here.
Think about it ahead of time and leave a note for whomever gets to take care
of your estate. (and/or send a copy to your geek friends who may be helping
them)
Do you
>I also recently picked up a couple of 5062C Cs references,and
>resurrected both (!! lucky me) tubes
...
>Please, somebody tell me I am a cadet time nut. (I cant measure ADEV
>yet... This must keep me in cadet class, surely!)
I think anybody who has more than one 5062C is alread
J. Forster wrote:
If your TOD is to be measured with sub-nanosecond accuracy, where do you
measure from? The TOD of your head? Heart? Fingertips? Feet?
-John
I'll be dead.. it's the executor's problem. and if he/she gets it
wrong, I'll come back to haunt them.
___
Well, you don't own boat-anchors any more, they are burial-at-sea-anchors now.
Steve
On 25 October 2010 15:54, wrote:
> A valid point has been brought up. What does a Time-Nut do with his
> equipment when he dies.
>
> Actually, I am serious here.
>
> My little girl, who just turned four, is alr
standards... and have a LOT of "kits" to build
> etc.) you'd probably ALL place my TOD pretty quickly. ;)
>
> - Original Message - From: "Magnus Danielson"
>
> To:
> Sent: Sunday, October 24, 2010 5:03 PM
> Subject: Re: [time-nuts] Dete
> Is there a "cadet" grade? I have a GPS receiver with 1PPS output, but
> it only claims microsecond accuracy. I have an OCXO salvaged from an
> old Transit satellite navigator, but it claims no better than a few
> parts in 1e-8. And I've got a Thunderbolt, but haven't found time to
A valid point has been brought up. What does a Time-Nut do with his
equipment when he dies.
Actually, I am serious here.
My little girl, who just turned four, is already an expert with the
soldering iron and she can name most components. Actually she is very
good with microwave components
Message: 4
Date: Sun, 24 Oct 2010 15:53:37 -0700
From: David Martindale
Subject: Re: [time-nuts] Determining Time-Nut infection severity.
To: mccor...@ptialaska.net, Discussion of precise time and frequency
measurement
Message-ID:
Content-Type: text/plain; charset=ISO-8859-1
...
But what about the other date on the tombstone? You would need to work out the
calibration of the clock in the delivery room on your 0th birthday, and hope
that your mother's doctor was also a time nut..
>> One can only hope that the local coroner is also a Time-Nut, so that time
>> of death
pretty quickly. ;)
- Original Message -
From: "Magnus Danielson"
To:
Sent: Sunday, October 24, 2010 5:03 PM
Subject: Re: [time-nuts] Determining Time-Nut infection severity.
On 10/24/2010 10:50 PM, Mark J. Blair wrote:
On Oct 24, 2010, at 1:44 PM, Richard H McCorkle wrote:
ssion of precise time and frequency measurement
> Subject: Re: [time-nuts] Determining Time-Nut infection severity.
>
> One of the dangers of the TNI is that it can be caught from the
> equipment
> of the previous victim. No amount of sterilisation will have any effect.
> It is b
COnsidering that for many of us, the TOD will be contingent on how
much of our pile of equipment fell on us, and how long it was before
the stink reached the street, causing our discovery. I think month,
day and year would probably suffice.
-Chuck Harris
Stan, W1LE wrote:
The practicality of T
One of the dangers of the TNI is that it can be caught from the
equipment
of the previous victim. No amount of sterilisation will have any effect.
It is bizarre to see how eagerly otherwise healthy individuals will
bid for
the items that will have such a dire consequence.
Over a period of tim
But some nutty folks (c'est moi!) wear mechanical watches (an Omega
Seamaster in my case) just for the joy of owning an intricate mechanical
device that requires no 'lectricty and has silicon only in the crystal. And
the crystal doesn't oscillate.
BTW, with what accuracy, do you suppose, were the
On Sun, Oct 24, 2010 at 1:44 PM, Richard H McCorkle
wrote:
> Time-Nuts,
>
> New members to the Time-Nuts list may wonder if the Time-Nut disease
> has infected them just by joining the list. A clear indication that
> someone has been infected with the Time-Nut disease is they own a
> reference tha
On Oct 24, 2010, at 3:36 PM, mike cook wrote:
> A nut in the final stages of the disorder would request to be buried with
> their clocks . The lab would be sealed for eternity.
In that case, I'd better rush out and patent tombstones with integrated GPS
antennas for entombed GPSDOs. I'll make
y measurement"
Sent: Sunday, October 24, 2010 8:58 PM
Subject: Re: [time-nuts] Determining Time-Nut infection severity.
In message <53601812-fc62-4098-9266-55edf50af...@nf6x.net>, "Mark J.
Blair" wri
tes:
Does anybody know how many bits of precision are used
on tombstones
On 10/24/2010 11:57 PM, jimlux wrote:
Mark J. Blair wrote:
On Oct 24, 2010, at 1:58 PM, Poul-Henning Kamp wrote:
In message <53601812-fc62-4098-9266-55edf50af...@nf6x.net>, "Mark J.
Blair" wri
tes:
Does anybody know how many bits of precision are used
on tombstones these days?
Most tombston
Le 24/10/2010 22:50, Mark J. Blair a écrit :
On Oct 24, 2010, at 1:44 PM, Richard H McCorkle wrote:
The disease will continue to progress until
ultimately all of the patients personal time and money are
exhausted or they die.
A nut in the final stages of the disorder would request to be bur
The practicality of TOD depends on who does the proclamation and where
the event occurs.
If no other folks are in attendance at a home setting, actual TOD may be
+/- 1 week
With a attending physician present, TOD will probably be the next day,
so the facility can bill for an additional day. In
If your TOD is to be measured with sub-nanosecond accuracy, where do you
measure from? The TOD of your head? Heart? Fingertips? Feet?
-John
=
> Mark J. Blair wrote:
>> On Oct 24, 2010, at 1:58 PM, Poul-Henning Kamp wrote:
>>
>>> In message <53601812-fc62-4098-9266-55edf50af...@nf6x.
Mark J. Blair wrote:
On Oct 24, 2010, at 1:58 PM, Poul-Henning Kamp wrote:
In message <53601812-fc62-4098-9266-55edf50af...@nf6x.net>, "Mark J. Blair" wri
tes:
Does anybody know how many bits of precision are used
on tombstones these days?
Most tombstones are engraved with CNC machines and w
agnus Danielson
Subject: Re: [time-nuts] Determining Time-Nut infection severity.
To: time-nuts@febo.com
Date: Sunday, 24 October, 2010, 22:03
On 10/24/2010 10:50 PM, Mark J. Blair wrote:
>
> On Oct 24, 2010, at 1:44 PM, Richard H McCorkle wrote:
>> The disease will continue
On Oct 24, 2010, at 2:03 PM, Magnus Danielson wrote:
> The real mourning of the deceased from fellow time-nuts comes when they
> realize just how much of precious gear has been lost forever.
Of course, we would like to know precisely when the precious gear was lost.
--
Mark J. Blair, NF6X
We
On 10/24/2010 10:50 PM, Mark J. Blair wrote:
On Oct 24, 2010, at 1:44 PM, Richard H McCorkle wrote:
The disease will continue to progress until
ultimately all of the patients personal time and money are
exhausted or they die.
One can only hope that the local coroner is also a Time-Nut, so tha
On Oct 24, 2010, at 1:58 PM, Poul-Henning Kamp wrote:
> In message <53601812-fc62-4098-9266-55edf50af...@nf6x.net>, "Mark J. Blair"
> wri
> tes:
>
>> Does anybody know how many bits of precision are used
>> on tombstones these days?
>
> Most tombstones are engraved with CNC machines and while
In message <53601812-fc62-4098-9266-55edf50af...@nf6x.net>, "Mark J. Blair" wri
tes:
>Does anybody know how many bits of precision are used
>on tombstones these days?
Most tombstones are engraved with CNC machines and while I have yet
to see a company advertise it as a competitive parameter, your
On Oct 24, 2010, at 1:44 PM, Richard H McCorkle wrote:
> The disease will continue to progress until
> ultimately all of the patients personal time and money are
> exhausted or they die.
One can only hope that the local coroner is also a Time-Nut, so that time of
death can be determined with s
Time-Nuts,
New members to the Time-Nuts list may wonder if the Time-Nut disease
has infected them just by joining the list. A clear indication that
someone has been infected with the Time-Nut disease is they own a
reference that provides accurate time to better than 1us and
frequency to better tha
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