Hey guys,
I'm looking for a counter/timer for my lab. I don't need anything of
Time Nuts grade, just a general purpose counter. I don't do sleazebay
plus I'd rather pass a few bux to a fellow time nutter. So if you have
a spare one of fairly recent vintage, preferably not containing a
cooling
On Wed, 31 Dec 2008 17:57:33 -0700 (MST), M. Warner Losh i...@bsdimp.com
wrote:
In message: b3bd5fcb0812311604q2c8f7129v9b1185457c8a9...@mail.gmail.com
Robert Darlington rdarling...@gmail.com writes:
: Okay, not very fun. I was hoping to see ...58,59,60,00. Instead my
: system
On Thu, 1 Jan 2009 15:06:02 +1300, Steve Rooke sar10...@gmail.com wrote:
2009/1/1 Mark Sims hol...@hotmail.com:
Note that there is an error in the first column heading in Lady Heather's
Leap Log. It says UTC... should be GPS. The three line hour timestamp
comment is correct (UTC). The
On Wed, 24 Dec 2008 18:17:07 +, Mark Sims hol...@hotmail.com wrote:
Well, the lords of time have blessed us this year with a whole extra second
of existence. How are you going to use yours?
Dunno. Let me think about it for a sec.
ooops...
Merry Christmas all
John
--
John De Armond
this is completely off-topic (so please reply via direct email) but since this
is the greatest brain trust on the internet, I thought I'd risk asking the
question.
I can't stand web forums. My loathing goes beyond hatred. Even worse now
that I'm stuck back on dial-up again. Unfortunately there
On Tue, 23 Dec 2008 17:27:28 +0100, Magnus Danielson
mag...@rubidium.dyndns.org wrote:
David M. Witten II skrev:
Points of pride, I'm sure.
All this talk still does not make me feel like going out and get a
firearm of any sort, fashinating as they can be in their own right.
If someone got me
On Thu, 27 Nov 2008 21:55:26 +1300, Steve Rooke [EMAIL PROTECTED] wrote:
Hmmm... International Traffic in Arms Regulations, well I don't like
to poke holes in that excuse but unless the US customs are REALLY
paranoid, I can't see how most of the items I have tried to purchase
would be covered
On Sun, 30 Nov 2008 17:27:54 -0700 (MST), M. Warner Losh [EMAIL PROTECTED]
wrote:
The thing that got me was the word 'really' in Bruce's statement. It
read like someone who had tried it, had limited success, but in the
end wound up believing that while possible, it wasn't really
practical.
On Sat, 29 Nov 2008 03:32:23 -0600, Brian Kirby [EMAIL PROTECTED] wrote:
Maybe we should consider coming up with a standard voltage reference as
a TAPR project. We have a lot of good brainpower out here and it seems
a lot of experience available.
I think that this is a spectacular idea.
On Sat, 29 Nov 2008 19:27:34 -0500, Mike Monett [EMAIL PROTECTED]
wrote:
This discussion of voltage standards is very informative and useful, and my
thanks to all who are contributing.
It is clear why precise frequency standards are needed - there are
innumerable applications such as GPS, VLBI,
On Sun, 23 Nov 2008 20:26:52 -0800, Lux, James P [EMAIL PROTECTED]
wrote:
There's a fair amount of F/OSS software from JPL available to do this sort of
calibration. It's used to calibrate cameras used on Mars rovers, among other
things. The target pattern for calibration is a bunch of big
On Mon, 24 Nov 2008 17:33:25 -0800, Tom Van Baak [EMAIL PROTECTED] wrote:
Yes. I know of several commecial systems. If you only need to do a short
jump, then using fairly basic E/O-O/E equipment should work well
enought. It all depends if you want/can to roll your own or need to buy
a
On Wed, 12 Nov 2008 21:27:10 -0600, Bill Hawkins [EMAIL PROTECTED] wrote:
My apologies, but I didn't think you'd want to hear about jumps.
My good friend, and software genius, was late for a lunch appointment
today. The atomic alarm clock that he has used for years was 3.3
hours behind this
On Sun, 16 Nov 2008 23:03:15 +0100, Björn Gabrielsson [EMAIL PROTECTED]
wrote:
On a much smaller scale... but the incident shown in the attached
picture was no fun either... two old BVAs came the standard (brutal)
post service packed like in the picture.
Do y'all have UPS down there? That
On Sun, 16 Nov 2008 15:01:23 -0800, Hal Murray [EMAIL PROTECTED]
wrote:
[EMAIL PROTECTED] said:
It looks like the entire shipping case has been dropped or turned over
from a reasonable height. The 7mm thick internal glass cylinder has
been shattered and inside that the glass bulb has been
On Tue, 9 Sep 2008 19:19:39 +0100, David C. Partridge
[EMAIL PROTECTED] wrote:
Following the good advice I received about increasing the value of the
trimmer capacitor, I replaced the trimmer which was originally 3-12pF, with
another one which was 2-22pF.
I would leave the same trimmer in there
Likewise, thanks.
Are you going to be able to post any of the other files? I'd love to hear #7
and #8.
Thanks again,
John
On Tue, 09 Sep 2008 13:20:21 +1000, [EMAIL PROTECTED] wrote:
Hi Jim,
Many thanks for making the recordings available, it brought back a
fond memory, I must
On Sun, 7 Sep 2008 17:40:42 GMT, [EMAIL PROTECTED] (Michael Sokolov)
wrote:
Neon John [EMAIL PROTECTED] wrote:
I'd have put a head in each cube
if that had been possible.
What kind of head? Or whose head?
Navy-speak for toilet.
John
--
John De Armond
See my website for my current email
On Tue, 26 Aug 2008 22:55:42 -0400, Mike Naruta AA8K [EMAIL PROTECTED] wrote:
Wife: Maybe he really IS your best friend. :)
Probably so. Actually I had a great marriage for 25 of the 27 years. Then
menopause hit with a vengeance. I sure am glad I'm an outie instead of an
innie. I'd not
On Tue, 26 Aug 2008 03:34:11 +, Mark Sims [EMAIL PROTECTED] wrote:
Pointless overkill? Ask those people in New Orleans what happens when
originals and backups are kept in the same city. I know of several (ex)
businesses that wisely kept their backups in different buildings there... all
On Tue, 26 Aug 2008 14:04:07 -0400, phil [EMAIL PROTECTED] wrote:
tell me what risk I'm exposed to
An angry wife !
She and my (former) best friend ran away about 5 years ago. Thankfully. :-)
John
--
John De Armond
See my website for my current email address
http://www.neon-john.com
On Tue, 26 Aug 2008 11:17:06 -0700, Chris Kuethe [EMAIL PROTECTED]
wrote:
Might wanna keep an eye on the DVD's. I hear the dyes aren't quite as
stable and long-lived as the manufacturers claim. I've heard rumors of
discs being stored undisturbed in safety-deposit boxes for 5yrs
starting to break
On Mon, 25 Aug 2008 17:40:14 +1000, Jim Palfreyman [EMAIL PROTECTED]
wrote:
Hi Folks,
Well I've had the best weekend since I've just acquired a pendulum clock
that used to be a telecommunication time standard in the 50s.
Nice.
I'd love to have a photo of that with both the clock and the rack
On Mon, 25 Aug 2008 22:30:33 +, Mark Sims [EMAIL PROTECTED] wrote:
Any backup that is stored in the same city as the original (some would say
within 100 miles of the city) is NOT a backup. It is just a disk waiting for
a (real) disaster. No fire proof safe, baggie, etc is a substitute
On Fri, 22 Aug 2008 22:47:12 -0500, Robert Vassar [EMAIL PROTECTED]
wrote:
I backup to a USB hard disk. I plug it in, backup, unplug it, de-
cable and park it in a filing cabinet. The disk spends 99.99% of
it's life powered off. It should last a decade or more like this,
but I buy a new
On Wed, 23 Jul 2008 15:22:08 -0700, Jim Lux [EMAIL PROTECTED] wrote:
At 03:01 PM 7/23/2008, Mike S wrote:
You're missing the point. The application is to drive a common, readily
available consumer clock. Simple and cheap. It can be done with a
single $1 PIC. You could spend $20 or $100 and not
On Sat, 28 Jun 2008 20:57:51 +1000, Neville Michie [EMAIL PROTECTED] wrote:
On 28/06/2008, at 1:14 PM, Bruce Griffiths wrote:
Stainless is trickier to solder than constantan.
Welding may be preferable.
A hint for soft soldering stainless steel, iron, nickel, chromium,
copper, brass,
On Tue, 27 May 2008 23:31:49 -0400, Patrick [EMAIL PROTECTED] wrote:
Hey Everybody
I tried to use a cheap IR thermometer to do some quick, pre-circuit
analysis tests, a couple of years ago on a particular job.
It went bad, the laser did not even line up with the area being
measured, I missed
On Mon, 12 May 2008 16:43:06 -0400, John Ackermann N8UR [EMAIL PROTECTED]
wrote:
If this happens too often, AOL will think I'm a bad guy and ban my
domain from sending email to *anyone* at AOL. Getting them to back off
from this is a major pain in the *** (I know, I've been through it).
current one
which isn't the one that I use on this list.
John
On Wed, 14 May 2008 08:22:57 -0400, John Ackermann N8UR [EMAIL PROTECTED]
wrote:
Neon John wrote:
Wouldn't that be kind of a good thing? I mean, can the intersection of the
set of AOL members and the set of folks who can
On Sat, 03 May 2008 08:58:58 +0930, Matthew Smith [EMAIL PROTECTED] wrote:
I am building two GPS-driven devices, an NTP server based on an ancient
single board computer and a Nixie clock. Our power here is not what one
might call reliable - we are stuck on a spur of a very long 19kV, single
On Thu, 1 May 2008 11:13:48 +0100, Alan Melia [EMAIL PROTECTED]
wrote:
At least with the optical cables it is only the powerfeed circuit that gets
the surge not the amplifier front end as it was in the FDM systems.
I always thought the terminal equipment was a slighly lower reliability
One of the coolest art clocks I've seen in awhile
http://www.christiaanpostma.nl/
Flash animation of it working here:
http://technabob.com/blog/2008/04/19/word-clock-slowly-reveals-the-time-with-text/
John
--
John De Armond
See my website for my current email address
http://www.neon-john.com
In this paper
http://www.sciencemadness.org/lanl1_a/lib-www/la-pubs/00350316.pdf
you can read the detailed description (including schematics) of the high
accuracy
timing system built to control the Manhattan Project's Trinity test - the first
nuclear device explosion.
This is an absolutely
On Wed, 26 Dec 2007 18:35:26 -0500, Patrick [EMAIL PROTECTED] wrote:
I am missing the original post, hopefully I am on topic..
I color match quite a bit. I refurbish lab instruments. I have a piece
of glass over top of my scanner platten. I mix the paint right on the
scanner and evaluate it
Generating the AC isn't a problem. For 60 hz, a variac is fine. For higher
frequencies, an audio transformer, for example, a plate transformer, and a
signal
generator will do the job. You don't need any power since a DVM has a high
input
impedance. You only need the voltage with enough drive
On Wed, 26 Dec 2007 11:30:05 -0800, Jeff Mock [EMAIL PROTECTED] wrote:
Smart Tweezers
http://www.advancedevices.com/
It's an RLC meter packaged in a pair of tweezers. It's accurate and
fast, feels good to use on the bench. When working with SMT parts,
particularly capacitors that typically
On Wed, 26 Dec 2007 20:55:27 + (GMT), Robert Atkinson [EMAIL PROTECTED]
wrote:
Hi,
my holiday gift this year was a Sony PRS-505 Reader.
http://www.sonystyle.com/webapp/wcs/stores/servlet/CategoryDisplay?catalogId=10551storeId=10151langId=-1categoryId=16184
This is not as off-topic as
On Tue, 18 Dec 2007 00:05:29 -0800, Hal Murray [EMAIL PROTECTED] wrote:
It was probably in the late 70s that a friend showed me a small booklet from
NBS.
It was describing how to use TV signals to calibrate your local clock. I
think NBC and HP cooperated.
I think the story was that NBC had
On Sun, 16 Dec 2007 22:57:49 -0800, Hal Murray [EMAIL PROTECTED] wrote:
Talk to your building superintendent. Offer to provide NTP service to the
whole complex if he will help you setup a GPS antenna.
I can see it now. Duh, how's this NTP stuff gonna help me unstop the
toilet in
23? :-)
On Mon, 17 Dec 2007 13:43:41 -0500, Chuck Harris [EMAIL PROTECTED] wrote:
Neon John wrote:
Federal law says that landlords cannot prohibit satellite TV dishes. Another
one of
those best laws money can buy. The implication for a solution to the GPS
antenna
problem is fairly obvious.
I
On Mon, 10 Dec 2007 14:36:19 -0500, Chuck Harris [EMAIL PROTECTED] wrote:
Poul-Henning Kamp wrote:
In message [EMAIL PROTECTED], Tom Van Baak writes:
Right click and SaveAs this 7.4 MB PPT file to your PC:
Quartz Resonator Oscillator Tutorial
May be a dumb question but why don't you just export the slides to bitmap
graphics or
to a PDF? I rarely give presentations anymore but that's the approach I've
always
taken, especially if I'm going to have to use other hardware. A series of
TIFFs or
JPGs and the free Irfanview which will run
On Mon, 3 Dec 2007 20:06:01 -0500, Daun Yeagley [EMAIL PROTECTED] wrote:
I've wanted to experiment with that, but I need to come
up with another Accutron, as I don't want to ruin the Spaceview that I got from
my wife on our first Christmas way back in '67! Know any reasonable sources?
On Tue, 04 Dec 2007 16:01:29 -0500, Chuck Harris [EMAIL PROTECTED] wrote:
Hi Bill,
I guess it depends on what you think it is that the market is
desiring.
There is little or no apparent interest in a newly manufactured
Bulova Accutron Spaceview watch. Modern Quartz watches have
long since
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On Tue, 06 Nov 2007 11:57:27 +, Joe McElvenney [EMAIL PROTECTED] wrote:
Anyone know of a simple way of producing an AC voltage standard
suitable for general workshop use without reference to another
one? About one percent
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On Tue, 6 Nov 2007 13:52:13 -0500, Didier Juges [EMAIL PROTECTED] wrote:
The problem with a mercury relay is that the switching delay is significant
and not well controlled, so the duty cycle of the resulting waveform is not
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On Tue, 6 Nov 2007 17:41:21 -0500, Didier Juges [EMAIL PROTECTED] wrote:
There was no reference to a 6 bit scope.
First paragraph of the original post:
Joe McElvenney wrote:
Hi,
Excuse the topic but is does push the
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On Mon, 29 Oct 2007 16:08:11 +1300, Bruce Griffiths [EMAIL PROTECTED]
wrote:
The opposite effect is sometimes desirable to force a browser to display
an image (usually a JPEG) to display on whatever resolution screen is in
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On Thu, 25 Oct 2007 11:04:06 +0200, Jeroen Bastemeijer [EMAIL PROTECTED]
wrote:
Dear Ulrich,
You question is not as much off-topic as you might think. It is all
about frequency stability and resonators ;-) In the past I
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On Sun, 21 Oct 2007 02:41:30 -0700, Eric Fort [EMAIL PROTECTED] wrote:
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I really appreciate the Detailed reply, Thanks. Your web page has an error
though
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On Sun, 21 Oct 2007 18:41:16 -0600, Joseph Gray [EMAIL PROTECTED] wrote:
Now I just need pens and paper...(I have one offer for this, more sources
are welcome)
Thanks to all,
Eric
I know that HP stopped making pens
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On Sat, 20 Oct 2007 18:57:27 -0700, Eric Fort [EMAIL PROTECTED] wrote:
There seems to be a wealth of knowlege here about keeping older HP hardware
running. Would anyone in this group have experience using a 7475A plotter
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Nah, not for this application. A Peltier module typically has a COP of 1.
That is,
it moves a watt of energy for each watt consumed. Thus, for each watt moved,
two
watts have to be dissipated to air.
I can't imagine a
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On Wed, 3 Oct 2007 22:27:40 -0700, Tom Van Baak [EMAIL PROTECTED] wrote:
A little known piece of Sputnik history...
http://www.hparchive.com/Journals/HPJ-1957-09-Sputnik.pdf
Deja Vue. Happened upon this not an hour ago
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On Wed, 19 Sep 2007 20:48:51 -0500, Bill Hawkins [EMAIL PROTECTED] wrote:
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Yes, this is way off topic, unless you consider the passage of time.
While I do
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On Tue, 28 Aug 2007 21:02:59 -, Jean-Louis Oneto [EMAIL PROTECTED]
wrote:
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Hello all,
I succeeded to read it with Corel PaintShopPro XI and then
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On Tue, 28 Aug 2007 18:28:01 EDT, [EMAIL PROTECTED] wrote:
In a message dated 8/28/2007 15:06:22 Pacific Daylight Time, [EMAIL PROTECTED]
writes:
PDF is ok, but hard to modify without spending money (like to split a
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On Tue, 28 Aug 2007 23:45:11 EDT, [EMAIL PROTECTED] wrote:
respectfully disagree: that would mean we should get out our good-old
pen-plotters and vector-graphics displays as well?
My E-size HP pen plotter is still working
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On Wed, 29 Aug 2007 00:44:56 EDT, [EMAIL PROTECTED] wrote:
Hi John,
ok, I guess my comment about 600dpi PDF files being sufficient for the job
is not resonating here. Case in point:
At a previous employer, our boss
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I've converted my entire house to CFLs. I have probably half a dozen
radio-controlled clocks. No problem with them. No problem with operating my
GPS
receiver indoors either.
The only thing that bothers my radio-controlled
. Otherwise I'll do it when I get a round tuit.
John
On Sun, 29 Jul 2007 22:13:11 -0500, Brian Kirby [EMAIL PROTECTED] wrote:
We'll, I regret that I have sent some technical information to a person
on the time nuts list. I was suppose to be made available to this group.
Brian - N4FMN
Neon John
On Thu, 21 Jun 2007 14:04:49 +1000, Palfreyman, Jim L
[EMAIL PROTECTED] wrote:
John,
My watch is one of these:
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItemitem=120108656745
(Casio module 3050)
I was wondering whether it was good design on Casios part - i.e.
discipline the oscillator based
On Thu, 21 Jun 2007 05:57:37 -0400, [EMAIL PROTECTED] (Tim Shoppa) wrote:
Neon John [EMAIL PROTECTED] wrote:
I don't quite understand why they'd all run so close during the day after a
sync but drift so fast if a sync was missed.
In a typical disciplined oscillator timeclock, the predicted
On Wed, 20 Jun 2007 15:00:02 +1000, Palfreyman, Jim L
[EMAIL PROTECTED] wrote:
I reported the unusual accuracy of my Casio G-Schock radio controlled
watch (with the radio controlled feature turned off) a month or so back.
Well to back up my rough observations I decided to measure it properly.
On Thu, 14 Jun 2007 16:14:34 -0700 (PDT), Colin Bradley [EMAIL PROTECTED]
wrote:
I have also experienced the frustration of trying to download IEEE papers. I
am a member of IEEE along with two of their affiliated societies and still get
the same run-around. There are two techniques that I have
On Sat, 9 Jun 2007 15:27:29 -0400, Norman J McSweyn [EMAIL PROTECTED] wrote:
Apropos the conversation:
Techrecovery sold me a 5370a that was toast. The customer service guy gave
me a runaround for six weeks trying to first get another instrument and
after I gave that up as a lost cause, then a
On Wed, 30 May 2007 01:10:02 -0800, Bill Beam [EMAIL PROTECTED] wrote:
Gentlemen: Those of you who have never taken a university physics course
are excused for confusion over centripital/centrifugal/psudo forces. Some of
you who did take a university physics class spent too much time asleep in
On Wed, 9 May 2007 09:29:58 -0400, Daun Yeagley [EMAIL PROTECTED] wrote:
I took some pictures of my 1 MHz HP glass crystal.
You can see them here:
http://www.yeagley.net/Time-Nuts/
I just tossed up a new page on my site showing another jewel - a Western
Electric AM
transmitter and the jewel of
On Fri, 04 May 2007 17:12:31 -0700, Had [EMAIL PROTECTED] wrote:
the quick brown fox jumps over the lazy dogs back, and all that RY RY
RY mumbo-jumbo.
Roger, ignore-o-tron set to stun with boredom.
John
---
John De Armond
See my website for my current email address
http://www.neon-john.com
For here is the treasure-trove for those of us who like old machines,
fire bottles and big hunking things that glow and make noise.
http://www.pmillett.com/
In particular,
http://www.pmillett.com/technical_books_online.htm
Over a gig of scanned tube manuals, textbooks, reference books, etc.
On Sat, 28 Apr 2007 17:59:10 -0700 (PDT), Colin Bradley
[EMAIL PROTECTED] wrote:
In my wanderings, I ran across this interesting history of the quartz crystal
industry.
http://www.ieee-uffc.org/fc_history/bottom.html
Very interesting. Another little tidbit not in that article. There
was a
On Sun, 29 Apr 2007 11:33:51 +0100, Dr. David Kirkby
[EMAIL PROTECTED] wrote:
Neon John wrote:
For here is the treasure-trove for those of us who like old machines,
fire bottles and big hunking things that glow and make noise.
http://www.pmillett.com/
Nice site.
Indeed! I have to make one
On Sun, 29 Apr 2007 08:32:51 -0500, Didier Juges [EMAIL PROTECTED]
wrote:
John,
Thanks a lot for that great reference. It's a good thing that basic
principles of physics have not changed much in the last 50 years :-)
Yes, and the main reason I like these old texts so well is that they
tend to
On Sun, 29 Apr 2007 12:22:56 -0700, Brooke Clarke [EMAIL PROTECTED]
wrote:
Hi John:
Prior to discovering the Bookmark part of Adobe .pdf documents I used a hard
copy whenever possible. But after working with good bookmarks, a .pdf is my
preferred way to read.
As a practical matter there are
On Thu, 26 Apr 2007 10:35:48 -0500, Jason Rabel
[EMAIL PROTECTED] wrote:
Some people put the maximum amount they are willing to pay and let it ride.
Others like to bid in smaller amounts (and maybe more impulse bidders).
And then there are people like me who either manually snipe or use
Howard W. Ashcraft wrote:
I have been building a GPSDO around an HP10544A that I purchased on
eBay. After some teeth-gnashing, I have concluded that the 10544A is
defective. When attached to a load (it is supposed to be rated into 50
ohms) the frequency drops radically, and in fact, the
On Sat, 21 Apr 2007 08:37:10 -0700, Tom Van Baak
[EMAIL PROTECTED] wrote:
That's how I measured the performance of a WWVB radio
controlled watch:
http://www.leapsecond.com/pages/Junghans/
This is a great example of sawtooth that you probably
haven't seen before.
Hey, that's a nice looking
I love this list! What we find to talk about.
Until about this time last year when I closed the last one, for 11
years I owned and operated a pair of BBQ steak restaurants and a
catering service. For much of that time I was the chief cook and
bottle washer :-)
Believe it or not I like to cook
On Fri, 20 Apr 2007 14:48:54 -0400, Daun Yeagley [EMAIL PROTECTED]
wrote:
This is as crazy as it gets. I have seen the high end power cables
before and consider this the ultimate in audiophoolishness ... I'm not
sure this is the most expensive example, but it surely establishes that
there is no
On Fri, 20 Apr 2007 16:55:16 -0400, John Day
[EMAIL PROTECTED] wrote:
The day I told him I played a trick on him. I invited him around to
hear my system. In those days a pair of home-brewed Klipsch
look-alikes. He raved, until he saw that the amp wasn't the big
glowing thing on the bench, I
I've been waiting with baited breath for a GPS watch. NOT a NAVAID on
the wrist but a simple GPS-synced watch. It would seem to me that
making a miniature GPS receiver would be much easier than making a
WWVB receiver.
Unfortunately that watch ain't it. Gad, they need a good industrial
On Thu, 19 Apr 2007 09:53:42 -0700, Tom Van Baak
[EMAIL PROTECTED] wrote:
I've been waiting with baited breath for a GPS watch. NOT a NAVAID on
the wrist but a simple GPS-synced watch. It would seem to me that
making a miniature GPS receiver would be much easier than making a
WWVB receiver.
On Thu, 19 Apr 2007 10:58:06 -0700, David Forbes
[EMAIL PROTECTED] wrote:
The Casio watch is rechargeable, since the GPS function drains the
battery in two hours. Amusingly, it takes three hours to charge it, so
the GPS drain current is higher than the charger's output!
Recharging a wristwatch
On Thu, 19 Apr 2007 18:21:28 -0700, Bruce Lane
[EMAIL PROTECTED] wrote:
http://www.monstercable.com/productDisplay.asp?pin=195
I invite all to have a good chuckle over this one. ;-)
That's absurd but if you want to delve into the tin-foil hat areas,
google for speaker cable ager.
Hey y'all,
Interesting site but he's kinda behind the times, so to speak :-)
about what modern, more pedestrian watches can do.
Back around Christmas I bought a Luminox dive chronometer, model
3HMBM. This is the one with the chrono functions in the form of a
little LCD screen under 12 o'clock.
On Tue, 17 Apr 2007 15:44:31 -0700, Tom Van Baak
[EMAIL PROTECTED] wrote:
...
If you have the capability of testing your WUPs, I'd certainly be
interested in what you find. I'd like to think that maybe the problem
is in just this one revision of firmware. But I suspect not.
John
Thanks
On Thu, 29 Mar 2007 15:45:25 -0700, Hal Murray
[EMAIL PROTECTED] wrote:
How do modern pendulum clock geeks measure what their pendulum is doing? I'm
picturing a magnet on the bottom of the pendulum and a coil or hall effect
sensor.
Prowl around here
http://www.hsn161.com/links.html
On Tue, 27 Mar 2007 23:14:28 -0700, Tom Van Baak
[EMAIL PROTECTED] wrote:
I applaud your efforts. The proof will be in the data you get
from your clock. It might be possible. It certainly would be
very interesting. Expect to collect a year of data to be sure.
Keep us, or the members of NAWCC HSN
On Fri, 23 Mar 2007 23:29:43 -0700, Hal Murray
[EMAIL PROTECTED] wrote:
My digital camera died recently. (Well, it was killed. I gave it a bath in
salt water when I miss-judged a wave at the ocean.)
I went to the local brick and mortar camera store to get a replacement.
After I told the guy
On Tue, 13 Mar 2007 20:31:31 -0400, Thomas A. Frank [EMAIL PROTECTED]
wrote:
This is the basic problem with our hobby... I proudly tell people that
I
can measure time to trillionths of a second, but am hard pressed for a
good answer when they ask why do you need to?
For the money, for the
On Sun, 28 Jan 2007 13:02:39 -0800, Brooke Clarke [EMAIL PROTECTED]
wrote:
Long ago Bob Grove promoted the idea of using 75 Ohm TV coax for ham
antennas at 2 meters and higher frequencies because it had lower loss
than 50 Ohm coax and was much lower in cost. For ham applications the
VSWR due
On Thu, 25 Jan 2007 16:50:46 -0500, Mark Amos [EMAIL PROTECTED]
wrote:
This has led me to a silly quest. I'd like to use a traditional clock face
and hands as an output device for a
1PPS signal from my GPSDO.
I know this is a very broad question, but does anyone have advice on where I
might
On Thu, 11 Jan 2007 12:06:36 -0500, [EMAIL PROTECTED] wrote:
On Wed, 10 Jan 2007 10:49:44 -0600, Jason Rabel
[EMAIL PROTECTED] wrote:
I know this is a little OT for this group, but I was looking for a
replacement knob for my Tek 2215 scope. Just one of the little gray ones
that populates a
On Sat, 4 Nov 2006 22:24:36 -0500, Daun Yeagley [EMAIL PROTECTED]
wrote:
Gee, maybe some of you need to get a Bulova Accutron. I think that is one of
the things that got me started on the time-nut wagon back in the sixties. My
wife bought me one for our first Christmas together back in 1967.
http://forresto.com/files/clock.swf
---
John De Armond
See my website for my current email address
http://www.neon-john.com
Cleveland, Occupied TN
Don't let your schooling interfere with your education-Mark Twain
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On Thu, 7 Sep 2006 13:12:07 +0200 (CEST), Bart Smit [EMAIL PROTECTED]
wrote:
On Wed, September 6, 2006 5:22, Christopher Hoover said:
[ the story seems overblown to me, but still worth sharing. follow
the last link for some real data. - ch ]
The last link is interesting indeed. Seems that
On Sat, 8 Apr 2006 13:53:40 -0700, Tom Van Baak [EMAIL PROTECTED]
wrote:
PHK,
So sorry to hear about your legal adventure.
Have a close look at NTP from the 1930's -- at just
5 cents a day [about $0.70 in today's dollar]:
http://www.leapsecond.com/history/usno.htm
And I bet there was the
On Thu, 19 Jan 2006 15:07:47 +0100, Poul-Henning Kamp
[EMAIL PROTECTED] wrote:
Their suggestion for a cheap environmental chamber is an old
fridge where you keep the door closed. After some weeks it
will have reached a stable temperature relative to the room.
Heh. Funny story about that.
On Wed, 18 Jan 2006 00:03:37 -0800, Christopher Hoover
[EMAIL PROTECTED] wrote:
John-
If I divided this down to 1 PPS, would it be a better timing reference
than the GPS receiver?
The best idea is to use the 1 PPS to discipline (phase lock) the 10MHz OXCO
in your counter.
A couple starting
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