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http://www.adafruit.com/blog/2014/04/16/first-atomic-clock-wristwatch-the-hewlett-packard-5071a/
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The maximum temperature of saturated steam temperature depends on
pressure; unsaturated steam does not. At work, we just finished a
project using steam at over 800F to drive a jet mill.
Brent
http://en.wikipedia.org/wiki/Superheated_steam
On 7/21/2014 5:39 PM, Attila Kinali wrote:
On Mon,
I got my LTE Lite this afternoon and have been playing with it. I have
a question on the NMEA $PSTI message: what are the last two numbers
before the checksum (in this case 30, 0)? I've noticed that once the
site survey is complete they go away, just the comma is left.
I haven't used this particular model. I have used similar units from
Systech, purchased on eBay for less than $30 US. They work quite well.
Some of them have selectable RS-232/RS-485 outputs. I've successfully
used both types of outputs.
The only problem I've had was the initial
Reykjavík, Iceland is UTC+0 without summer time changes.
Brent
On 11/3/2012 9:55 AM, Sarah White wrote:
P.S. Seems strange that the only two options for a UTC+0 timezone are
London, Dublin or Casablanca (neither of which are year-round UTC)
... I'll try to remember to point this out to the
Maybe this link won't wrap. If it does, the last half of the url is
RFTGm/Lucent RFTGm Modification.doc
http://207.224.127.233/RFTGm/Lucent RFTGm Modification.doc
Brent
On 1/16/2013 8:56 AM, paul swed wrote:
Sorry the link does not work. Looking forward to the read
Paul
WB8TSL
On Wed, Jan
The two threads here, Good (cheap) PIC chip choice for project? and
Follow-up question re: microcontroller families have a lot of good
information. A more organized approach is available at the
Digi-Key/Design News Continuing Education Center which has several free
courses on microcontroller
I'm considering buying a rubidium standard, not that I really need one,
just because I'm a Time Nut. I have some questions on what to look for
and what to watch out for. I'll probably get one from either fluke.l or
flyingbest on ePay.
I know that they wear out. Is there any model I should
Three copies of the Version 7.1 Student Edition are available here
(found by a froogle search):
http://www.textbooks.com/BooksDescription.php?CSID=DW2BW33KOOKBZKOMODUKCACQSBKN=715789#mplistings
I was going to sell my copy until I saw the prices. As a long-time
LabVIEW programmer, version
I found version 8.0 bloated and slow, especially compared to version
7.1. It also slowed my computer to a crawl, even when it wasn't
running. Version 8.0 was even worse than 7.0. Version 8.2 was a little
bit better. Version 8.6 was usable, however NI dropped support for
older systems,
Your outage matches what NIST shows:
http://tf.nist.gov/tf-cgi/wwvbgraph_e.cgi?5482602
Brent
Tom Van Baak wrote:
Greg,
It happens now and then; no big deal. NIST is very good about
logging these events for us. For recent (and past 7 years) see:
http://tf.nist.gov/stations/wwvboutages.htm
in Boulder, Gaithersburg, LaCrosse, and Santa Clara:
http://tf.nist.gov/tf-cgi/wwvbmonitor_e.cgi
Brent
Greg Burnett wrote:
Aha!
Thanks Brent for that link! I wasn't aware that NIST had added that feature.
Thanks again!
Greg
- Original Message -
From: Brent Gordon time-n...@adobe
The start of the $GPZDA is specified to match the PPS output.
Interesting that the others are one second slow. Any missing sentences
were not sent.
$GPZDA,235959.00,31,12,2008,,*6C
$GPGLL,3507.53830,N,10631.28409,W,235958.00,A,A*75
$GPZDA,00.00,01,01,2009,,*6D
Mike Feher wrote:
A friend has a 5335A counter and bought a Prologix adaptor for it to collect
data. He wrote the software and has had extremely good results. He offered
to do the same for me utilizing my NI adaptor so I could use it for my
various counters. Unfortunately he ran into problems
the presentation, open the presentation, then start the
audio player on the class page.
Some of the classes are really good, Jon Titus for example.
Brent
On 5/27/2013 1:52 AM, Herbert Poetzl wrote:
On Sun, May 26, 2013 at 11:38:35AM -0600, Brent Gordon wrote:
The two threads here, Good
I once saw a board that was 2.5 mm, which would cause what you
describe. As soon as I figured out what the problem was, in the trash
it went.
Brent
On 6/25/2013 8:03 AM, Bob Stewart wrote:
OK, I see in the wiki that 0.1 is by definition 2.54mm. I was taught it was
2.54001, but that's not
That's part of the GPIB standard. It should work on any GPIB system.
On 8/7/2013 1:22 PM, stan, W1LE wrote:
Hello The Net,
Is address 31, for talk only, a HP/Agilent feature only, or do tothers
provide talk only on the buss ?
I am looking at RF frequency counters to 12 GH, for use with
I've used EAGLE for about ten years. I strongly agree with what
NeonJohn wrote below. I don't know if it is still the case, but when I
started using EAGLE all of the library parts were on metric spacing
(including DIPs and SMDs). This causes all sorts of headaches when
doing a layout on
There are three things going on with WWVB right now
1. They are testing a new data format:
http://www.nist.gov/pml/div688/grp40/wwvb.cfm
2. They had an outage for about an hour earlier today:
http://www.nist.gov/pml/div688/grp40/wwvb-station-outages.cfm
3. There are reception failures at
Same Bat Time!
Same Bat Channel!
On 4/7/2012 8:38 PM, J. Forster wrote:
So, what's the time?
-John
-
On 08/04/12 02:59, Mark Sims wrote:
One of the nose-bleed channels (MeTV) just showed an old 1980's Batman
show where the infamous, evil, dastardly villain Clock King attempted
to
I'm not familiar with the 59309A, but here are some things to try:
Are you able to read just one character (1A)?
Does the 59309A need a command to send the time?
Have you tried setting the 59309A to talk-only mode?
On 8/2/2012 2:20 PM, Hans Holzach wrote:
RESET HPIL
RESTORE IO
Which was made into the movie Soylent Green.
On 9/25/2012 5:34 AM, Tom Harris wrote:
Sounds like the OP's story was from Harry Harrison's nightmarish novel of
overpopulation Make Room, Make Room!.
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David Taylor has all sorts of NTP monitoring scripts, software, and tips
at his web site. Start at
http://www.satsignal.eu/software/net.htm#NTPmonitor and look around.
Brent
On 10/4/2012 8:44 AM, bownes wrote:
It had to happen eventually. Time Nut interest overlapped with $DAY_JOB.
Due to
The amount of land a man and a mule can plow in one day.
43560 square feet
640 Acres=1 square mile
Jim Palfreyman wrote:
Sheez - I'm so glad we have metric!!
Can I ask you US dudes a question?
Do you know, without looking it up, what an acre is?
It's such a commonly used term for measuring
I'm not familiar with this particular instrument, but a standard
technique for linear power supplies is to hook it up to a variac. This
lets you turn down the line voltage so you can do some measurements
without smoking the system.
Brent
Douglas Wire - PUPCo Studios wrote:
Good day everyone and
Digi-Key
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detailname=102-1690-ND
Part #102-1690-ND
9-36V in, 48V 1.04A out
$85.46, in stock
9-pin module
Joseph Gray wrote:
Does anyone know where I can get an inexpensive 12VDC to 48VDC
converter to power one of my Z3801A's? I can find
I'm out of practice with C, but shouldn't
viScanf(vi, %t, buf);
be
viScanf(vi, %t, buf);
Brent
Jerome Peters wrote:
I'm still trying to get the HP5328B counter to work with GPIB. I don't have any
problems talking, however I can't receive data.
I think the basic (HP/Agilent)
There is an article in Circuit Cellar magazine that you need to read.
It is Time Server Design: Synchronize with the WWVB Time Code. It is
in the Nov 2008 issue (#220). You can buy the article at
[1]http://www.circuitcellar.com/magazine/220.html for $1.50. Although
it is the
I'm thinking of buying a spectrum analyzer and would like to know what
Time Nuts recommend. My requirements are fairly simple:
3GHz Max frequency or higher
Either GPIB or Ethernet interface for control and data capture
Not much larger than an average desktop computer. Portable is nice but
At 10:00 AM Mountain Standard Time, SparkFun is showing only 7106.39 of
the 100K given away. Of interest to Time Nuts is that their clock is
about 15 minutes slow; it shows that the giveaway has been active for 45
minutes, not a full hour.
___
At Amazon:
http://www.amazon.com/LabVIEW-2009-Student-Robert-Bishop/dp/0132141299/
ISBN-10: 0132141299
ISBN-13: 978-0132141291
The Student Edition is also compatible with all National Instruments
data acquisition and instrument control hardware. Note: The LabVIEW
2009 Student
Paul,
If it was a version prior to 8.x, you don't need a serial number or any
kind of license key. With 8.x and later, your serial number is
validated through National Instruments' servers. If you registered your
software with NI, you should be able to get your serial number from them.
From the NI web site (http://www.ni.com/labviewse/select.htm)
LabVIEW Student Edition Textbook Bundle
The LabVIEW 2009 Student Edition Textbook Bundle includes the LabVIEW
Student Edition software and Dr. Robert H. Bishop's popular introductory
textbook Learning with LabVIEW, published by
Baak wrote:
From: Brent Gordon [1]time-n...@adobe-labs.com
The best answer is try it it and see what happens. In my case two
systems with patch antennas ten inches apart interfere
significantly.
Here are plots (using VisualGPS) of my position over a day or two
I've used this http://free.mailbigfile.com/ for years. You upload the
file and they send an email to the recipient who then downloads the file.
Brent
On 2/20/2012 10:52 AM, WarrenS wrote:
I'm just looking for an easy, temporary way (say lasting up to a week each) to
transfer a few big files
Both programs work for me. I'm running WinXP.
Brent
On 12/30/2010 3:58 PM, Anthony G. Atkielski wrote:
There's a beautiful screensaver available at
http://gridwise.pnl.gov/technologies/
which shows the US WECC ( or so it seems ).
I tried running the monitor program (not the screen saver),
Hi Joe,
Both VoP and impedance depend on relative permittivity (dielectric
constant). See the section Derived Electrical Parameters on Wikipedia.
http://en.wikipedia.org/wiki/Coaxial_cable
Brent
On 4/3/2011 4:37 PM, Joseph Gray wrote:
I assume you mean that impedance has an effect on VOP?
Don't remove the serial mouse, just disable it. If you remove it, it
will return on the next reboot.
On 2/7/2015 9:11 AM, Jim Lux wrote:
There's also the whole microsoft serial mouse device problem. A
typical Windows 7 install (and other versions as well) will have a MS
serial mouse device
Just feed the PPS into the scope trigger on step 2.
The low repetition rate on the PPS would make this difficult on an
analog scope; on a digital scope it is easy. You can use any
sub-harmonic that is less than or equal the counter reference frequency
(10 MHz).
Brent
On 4/24/2015 3:45 PM,
You don't have to wait for the software to arrive if you don't mind
downloading it. The software you download is the same as the software
National Instruments (NI) ships to their customers. Without a serial
number the software runs for 45 days. When you activate the software,
using your
/Detail.cfm?NavPath=2,1301,1450Prod=LABVIEW-HE
Brent Gordon
Certified LabVIEW Developer
On 6/19/2015 9:18 PM, Bob kb8tq wrote:
Hi
It is interesting as you go through the various student and home versions, just
how
hard it is to figure out what you are (and are not) buying in each case. One
Lately, I've been seeing blue screens that I think are caused by my
serial-USB adapters. Because I haven't updated by serial drivers since
before the driver update fiasco a while back, my feeling is that this
was caused by some other update.
Regarding the COM ports, here is a article on how
No problems in Albuquerque, NM.
On 8/19/2015 2:11 AM, Hal Murray wrote:
Most/all of my GPS toys stopped working for a few hours late Tue evening. A
few where I have good logging ran out of satellites.
Did anybody else notice anything similar?
Was it local interference, or something at the
There are two ways to do it. The first is to turn off AutoScale. You
can then set the axis to whatever you want. Right-click on the axis and
uncheck "AutoScale X". See AutoScale.png.
The hard way is to force the axis to be what you want. First you turn
off AutoScale. Then you right
Joe,
I've had good luck with Systech Terminal Servers on eBay. I've bought
five of them for use at home and work and none of them have had any
problems. Two port ones are around $20 and four port ones are around
$50. Some of them support RS-485. Make sure they come with the power
supply.
There are cheap GC (gas chromatograph) ovens on eBay. They are
well-insulated and give you fast, precise temperature control. Some of
them are designed with a liquid nitrogen input for cooling. Otherwise,
you can use dry ice. I saw one mentioned on one of the mailing lists I
read, maybe
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