I went back thru this thread to look for the answer, and did not see it
so am asking. The one of these I have has a threaded female connector
on it. One of the ones in Tom's page has a smooth sided connector, FWIW.
I wonder if this would work with one of the 5m SMA male active antenna
units
On 7/1/2014 8:27 PM, Hal Murray wrote:
It's often easier to use a long serial cable rather than a long antenna cable.
Excellent suggestion. I will look at that as an alternative. I wanted
to keep the FASTRAX and the unit is mated to near my systems, but for
other GPS setups with other chips
Bob,
I was being a bit lazy. The 15' distance gets from a couple of spots in
the room with my systems and lab, and also is already terminated, and
there is no issue with the power since it would be totally contained in
the unit.
But your suggestion and some work making the cables would work
On 7/2/2014 1:29 PM, Jean-Louis Oneto wrote:
Hello,
AFAIK, the differential variant of RS-232 is RS-485. I'm not sure about the
levels.
Best regards,
Jean-Louis Oneto
You have to control the direction of RS485. You don't have to with
RS232. One of the problems with support of RS485 in
I noticed on Toms info page, (very good along with the two emails for
info) that there is no connection called out for the antenna power.
There are two power in pins, Primary and Backup power. Since I'm going
to use an active antenna, can I send the 5 v up the antenna power, or
will the
splitter, and
then a few feet of RG316 to my receiver.
Bob
From: jim s jwsm...@jwsss.com
To: Discussion of precise time and frequency measurement time-nuts@febo.com
Sent: Wednesday, July 2, 2014 12:17 AM
Subject: Re: [time-nuts] FASTRAX GPS
Bob,
I was being
I disobeyed the group suggestions about antennas, and bought one of the
one which needs power.
I had asked whether I should apply 5 volts to the.
tom posted on his fine info page a pinout, which I'm going to use.
Pin 1 is 3-5.5VDC Antenna power input.
Pin 2 is Prime Power input
pin 4 is
, or do I need to run the power to the antenna thru pin 1? And
can I hook up the same +3.3 to all three supply pins? Or should I hook
up a separate antenna supply, and assume the ground for that supply is
the pin 8?
Jim
From: jim s jwsm...@jwsss.com
To: time
On 7/21/2014 11:36 AM, Hal Murray wrote:
docdai...@gmail.com said:
Ice water and boiling water coupled with altitude will give you two points.
Has anybody used a good thermometer to measure air pressure?
How much does the measured temperature vary between just barely boiling and a
good
On 7/21/2014 9:07 PM, Brooke Clarke wrote:
Hi:
Every phone in my house that has an LCD shows the correct date time,
but I have never set any of them.
I expect that there's date and time information being sent in the
header of every phone call, maybe even before the first ring along
with
http://www.nasaspaceflight.com/2014/08/arianespace-soyuz-st-b-galileo-mission/
big oops at the minimum.
Jim
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and follow the
Petty BS. If they want to disable the competitors, rev the device to
have something that they can use to id their devices, and leave the
other driver alone. USB supposed to put the widest support in the host
end, and the secret sauce in the device.
If they have a problem, they will not
On 11/6/2014 5:29 PM, Bob Camp wrote:
Hi
Could have been retrieved from a dumpster. That would beat anything I’ve found,
but I may not be dumpster diving in the right neighborhoods ….
Bob
On Nov 6, 2014, at 8:24 PM, Jim Lux jim...@earthlink.net wrote:
On 11/6/14, 5:08 PM, Scott McGrath
On 1/6/2013 5:59 PM, Jim Lux wrote:
On 1/6/13 5:52 PM, gary wrote:
This might be a good place to start looking.
http://beagleboard.org/project/BeagleTick/
I got a beagleboard mx, but it is for a different project. I'm not up to
speed on it enough to comment if this is the best solution. I
Eric Raymond is the author of gpsd, you all might want to read his
posting about it and reply.
thanks
jim
http://esr.ibiblio.org/?p=5082
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I paypal'ed what I did, and have only seen the direct charges to my
paypal for the chinese purchases.
I don't know if credit card works thru the ebay stuff I've bought, or
the other sites when you use paypal / credit card option.
Obviously if you go via credit card checkout, all bets are
On 3/28/2012 4:50 PM, Jim Palfreyman wrote:
Folks, I'm currently writing my thesis on pulsars, but I need to spend time
on it rather than here
I'd love to hear more about your thesis (offline question most likely).
I thought I'd add in the detail that I found on another site about one
This is a note on a site about some experiments to transmit information
faster than light. It fiddles with some definitions in the speed of
light restrictions in quantum theory.
the reason I am posting here is that it used Rubidium beams. The actual
publications may be of interest to those
Observed phenomena which verify or demonstrate this impact some theories
related to how the quantum effects govern areas around black holes.
Since they are only observable from their effects, and the theories
about the causes of these effects are used to explain these
observations, anything
Hal, others,
There were two things that are interesting about this. There was a
special about Hawkings theories and a recent turn of heart and theory he
had, which hits at the center of the quantum theory involved here.
The other is the current groups experience with Rb oscillators and those
The FCC needs to bow to laws (physics) and properly protect the GPS
spectrum. Despite pretty colored charts on the wall, the actual
operation of some systems don't pay attention to the charts.
A friend of mine put a UHF tv station on the air many years ago, and had
the same problem, actually
I've got a note set for 6/29/2012 @ 5pm PST. Hopefully that is the
right time.
any way for a challenged one to listen I'm currently grazing for an
internet version of wwv to listen to, but recommendations would be great.
Thanks for the program pointer, Hal.
thanks
jim
On 6/28/2012 9:37
Should have read this before my closing note. I had read an article
somewhere which is wrong, I guess.
Jim
On 6/28/2012 9:37 PM, Hal Murray wrote:
I'm in California, so it happens at a convenient time: 5 PM on Sat.
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A friend has been off Ebay because he was nearly beside himself after
doing the same as you specify here for a beautiful Burroughs glass sided
calculator. It arrived in an manner nearly identical to the one in
David's package.
The vendor claimed no liability to do what he took money for and
On 9/11/2012 8:37 AM, Gregory Muir wrote:
If you have a chance, you should visit one of the UPS shipping test labs where
customers are supposed to take their prototype packaging to have it tested to
see if it will stand up to the rigors of UPS shipping. Your jaw will drop when
you see what
On 9/11/2012 10:01 AM, Richard (Rick) Karlquist wrote:
The SC cut crystal is generally credited to Jack Kusters
(of HP) and Errol Ernisse. The story was something like
Errol proposed the concept and Jack actually made the
first one, which was quite non-trivial.
Jack used to joke that SC stood
On 9/27/2012 4:07 AM, Jerry wrote:
I am using a dedicated fast pro9cessor laptop but Lady heather seems to
slo9w down and every 20-30 seconds I can see it race through the seconds to
catch up.
There are some system and version suggestions posted in other replies.
Another thing that happens is
There is a space after 49em which messes up a copy if you don't watch out.
I tried bitly and and tinyrul couldn't get it to work with the
contracted link. They aren't
storing something.
On 9/28/2012 7:46 PM, Bill Dailey wrote:
There is a comma in equipment messing that link up
http://www.eevblog.com/forum/buysellwanted/vintage-50%27s-60%27s-test-equipm,ent-available/msg149549/#msg149549em
I am sorry you had problems with Joon. I have dealt with him under both
id's and have always been lucky to get goods for a price where the
shipping costs he charges is not an issue.
I don't like that he packs the stuff, because I live a couple of miles
from him and always pick stuff up, and
I don't know what the experimental setup is. However if I were to be
using GPS, I would use the GPS system to get a precise time at each end,
record the time of the event that should generate the neutrino burst at
one end precisely to a clock set by GPS and record the arrival time at
the
If one is using thunderbird as below, it is just as easy to right click
the time nuts address element at the top of the message and reply do a
compose message
If using web based email, the reply-to and change the subject is
probably the easiest since there is no way to do the above action.
I have two of these beasties, which I'm lead to believe work with a
5061A cesium standard.
I also managed to find and download the service manual / user guide for it.
I will offer them here first before ebay. Maybe they are useless, don't
know. Make a fair offer.
They were paired with HP
This is about trying to get three ships with 1 microsecond synchronized
time at sea in the early 90's
http://blogs.computerworld.com/19423/does_anybody_really_know_what_time_it_is
Jim
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On 1/2/2012 3:48 PM, Javier Herrero wrote:
El 02/01/2012 23:33, Magnus Danielson escribió:
The small TV set in the kitchen might be CRT while the big one in the
living room is LCD (or any similar flat screen), and for the later
double-buffering (or more) is employed as standard. These new
This is probably the thousandth time this was asked, but I googled and
didn't get a direct answer.
I want to do a crude (as in to the second or so) time server inhouse to
add into a group of high accuracy servers. This is so that I can go off
grid and still get updates.
I see that there is
On 11/8/2010 5:14 PM, jim s wrote:
This is probably the thousandth time this was asked, but I googled and
didn't get a direct answer.
Here is the reference to the PPS that made me make statements about RS232
http://forums.freebsd.org/showthread.php?t=16507
Here is an actual implementation
curious where it is posted. you can email what you have to me Paul if
that is easier.
thanks
JIm
On 12/23/2010 3:28 PM, paul swed wrote:
Converted word to pdf and zipped crunched it to 485 KB.
Pretty good.
Enjoy.
Paul
WB8TSL
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I was looking at one of these units for the conversion project for the
468 clocks, sounds like these might be good units. I think I searched
for gps and rs232 and hit them on the first page.
JIm
On 1/16/2011 5:07 PM, Tom Clifton wrote:
I have purchased many items over the past few years from
I am curious what software and version you are running with these.
On 2/17/2011 3:32 AM, David J Taylor wrote:
David Taylor wrote:
snip
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Paul Swed did the work. A fellow named Diddier is hosting the page below.
http://www.n4iqt.com/DC468simul/
discussion on this list 12/3 thru 12/6, 12/17 2010
Jim
On 4/26/2011 8:15 AM, Bert, VE2ZAZ wrote:
All,
I am trying to trace back a discussion about converting a TrueTime 468-DC GOES
On 6/27/2011 6:33 PM, Will Matney wrote:
snip
I'll leave a parting shot at AEP on this. When I closed up the building I
had the shop in, I went down to our AEP office at the time, and paid off my
bill, the day after I had them to put a boot on the meter, and a new seal
on it. It was read that
Hi,
I have friend with a question about an IC badged with Monsanto. I
googled a bit and found that there is a big line of older maybe 60's era
counter / timers which were made and badged Monsanto.
I am asking here if anyone has some of these or have a knowledge of
whether they may have
I picked up one of these from the usual site, and it is supposed to be
in working condition. I wonder if someone may have a suitable antenna
for it I might acquire, or a pointer to one that will work.
It is the type with a 5v amplifier in it from what I was told, and is
working.
I have
Somewhat time related. The Navy realizes that GPS might not always
work. I don't imagine that aircraft in the US Air Force will be able to
do this very reliably, and the article doesn't mention that service.
I'm guessing that a lot of strategic Air Force aircraft have star
trackers that
Does anyone know of any issue with licensing (export licenses) for
these? I seldom hesitate to ship old computer stuff I have, but that
GPS is technically a military tool gives me pause to step up. The vendor
may have such things ironed out, but individuals that step up here may
have a hassle
On 1/9/2016 6:36 AM, Chuck Harris wrote:
Unfortunately, LH uses a graphics toolkit that was written by
John Miles, and it, and he, is windows only.
I got started on converting it to PyQT4, but got side tracked.
Maybe this year is the year I get all of the stuff I have promised
done?
-Chuck
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