Even with my sniping service, I have to set the amount of time before
the end of the auction when I want my bid to be placed (usually a few
seconds). If there are more than one client of the same service bidding
on the same item at the same time, it's the luck of the draw, unless you
know
You are welcome to upload it to my manuals page
http://www.ko4bb.com/ham_radio/Manuals
Upload instructions are at the top.
Didier
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Norman J McSweyn
Sent: Monday, April 23, 2007 12:23 PM
To: Discussion of precise time and
attachment did not make it, there it is:
http://www.ko4bb.com/ham_radio/Manuals/Tektronix -
7L5/Tek-7L5-PhaseNoise.png
Didier
Didier Juges wrote:
Tom Van Baak wrote:
Related - does anyone have equipment in your home/lab that
can directly measure, at uV or sub-uV levels, noise
Oooops:
http://www.ko4bb.com/ham_radio/Manuals/4_GPS_Stuff/GPS4-Manual_v2.2.pdf
Sorry for the typo...
Didier KO4BB
ji1qgk wrote:
Hi Didier and Jason
Thanks for uploading the manual.
However, your page is not found now. Could you confirm it?
My unit GPS locked and true 10MHz output but
Dr Bruce Griffiths wrote:
Said
[EMAIL PROTECTED] wrote:
Hi guys,
Some comments:
* The Vref output of most OCXO's is from a Zener diode inside the can.
These
typically have aging, thermal sensitivity and very poor voltage accuracy,
and there are much better monolithic
Bruce,
Buy an HP 3586 on eBay (I paid $90 for my HP 3586A with OCXO), lock its
reference to the GPSDO, set it to 32 MHz and use the LO output. All you
need is a sturdy shelf (!!!) and a couple of cables. No soldering iron
required, no PIC programming or anything else :-)
Maybe not the most
check
http://www.ko4bb.com/ham_radio/Manuals/4_GPS_Stuff/GPS4-Manual_v2.2-1.pdf
Didier KO4BB
Hi.
I'm looking for manual of Brandywine GPS-4 (model:0010-0040).
Does anyone know where to obtain it?
Thanks
Hiro
___
time-nuts
I struck gold, I got two brand new units in original packaging with
manuals and cables for $90 on eBay a year ago or so... The seller had 2
in a Dutch auction for $90 each, and I was going to buy one but I missed
the deadline and the units did not sell... As I was writing him an email
to ask
The good news in that regard is that it appears FTDI pretty much owns
the USB-Serial adapter market, at least in the US, so we almost have a
standard there...
Didier KO4BB
Poul-Henning Kamp wrote:
In message [EMAIL PROTECTED], Tom Van Baak writes:
Another example is GPS receivers. How
John,
You are too late by about a week or two, we had a rental for about 6
months and just sent it back last week... Forgot which model exactly,
but it was the 40 or 50 GHz model. Very spiffy.
I have a new Prologix controller on the way and I intend to check it on
everything I can lay my
GPIB-ENET controllers by NI are on and off available on eBay for about
$200. I would think there is a market for an ethernet/GPIB controller in
that price range.
I also second the RS-232 option. While the USB-parallel interface chip
has the potential of being much faster (which is great when
Dr Bruce Griffiths wrote:
Peter
I only intended to indicate that not all GPS timing receivers need
exhibit hanging bridges.
The Trimble Resolution T for example may (or may not) exhibit hanging
bridges.
If anyone has any evidence either way it would be interesting to look at it.
If one
I came across an old article on the Delay Line Discriminator for Phase Noise
Measurements (Microwave Journal 1983).
I don't think the theory has changed much since then :-)
http://www.ko4bb.com/ham_radio/Manuals/3_GPS_Stuff/DelayLineDiscriminator.pdf
Didier KO4BB
Hi Said,
Thanks for the correction. Now I recall...
That's what happens when shooting from the hip without proper backup :-)
Didier KO4BB
[EMAIL PROTECTED] wrote:
In a message dated 4/3/2007 19:29:25 Pacific Daylight Time, [EMAIL PROTECTED]
writes:
An Arianne 5 rocket had to be
An Arianne 5 rocket had to be destroyed with its cargo when it veered
off course because of a faulty conversion from English to metric in the
guidance software. What a bummer!
I hate it when that happens!!!
Didier KO4BB
Brooke Clarke wrote:
Hi:
There was a recent incident when a passenger
Thomas A. Frank wrote:
Are there actually US people on this list who actually continue to
advocate the use of non-metric units in their country? Speak up!
Of course.
Well the USA ever go metric?
No.
I find it hard to understand why a country as advanced as the US
In France, and I suspect in the rest of the world, machinists talk in
1/100th of a mm (centieme in French). The 'centieme' is a very good
fractional unit when dealing with hardware. It is not harder to talk in
1/100th of a mm than in 1/1000th of an inch. The micrometre (micron in
French, as
I like Joe's editor myself (Wordstar background). A colleague and I are
having ongoing arguments about vi versus Joe's. I say it takes many more
keystrokes to do the same job under vi, she says it does not take her
any longer than me to do anything because I am a lousy typist, I tell
her if
Even though you may have to be careful about noise, and assuming the
operating voltages are not exotic, you can probably find an
off-the-shelf switching supply that will fit where the transformer and
linear supplies were, with lots of room to spare, and significantly
reduced heat dissipation.
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Even though you may have to be careful about noise, and assuming the
operating voltages are not exotic, you can probably find an
off-the-shelf switching supply that will fit where the transformer and
linear supplies were, with lots of room
Dr Bruce Griffiths wrote:
Didier
SCR's are still used in very high power (Megawatt) high voltage (0.5
Megavolts or more) inverters where they replaced grid controlled mercury
arc devices (some of these have been in operation for 40 years or more).
I am sceptical that any affordable
The Nikonos, a fine instrument. The line still exists.
Didier KO4BB
Joseph Gray wrote:
Back in the days of cameras that used film :-) Nikon used to make a very
nice waterproof and rugged camera. I forgot the model, but it was made for
divers. I knew several people who had one, but they were
Your camera probably had a cold solder joint. Maybe it was an RoHS part
soldered with standard soldering process. We have that problem all the
time with vendors sending RoHS parts with the same part number as the
SnPb part they replace. I would not be surprised to see a lot of those
problems
The HP 5334 is a nice counter. I have the B model. The A model has a few more
features (particularly math functions), but the front end is more easily
damaged. For Time Interval measurements, both models are equivalent.
Be aware the built-in standard timebase is not very good. It is also hard to
Time Interval resolution in single shot:
HP 5316: 100nS
HP 5334: 1nS
HP 5370: 20pS
Any question?
Didier KO4BB
M. Warner Losh wrote:
In message: [EMAIL PROTECTED]
Didier Juges [EMAIL PROTECTED] writes:
: The HP 5334 is a nice counter. I have the B model. The A model has a
: few
I have 3 antennas in my shack, upstairs. The attic is pretty high, so
the antennas are still a good 10 to 12 feet below the tip of the roof,
which is covered with shingles.
They work fine there, but worked very badly when they were at eye level
in the same room, probably because of multipath.
Interesting, I only have *one* problem with Earthlink users: absolutely
nothing gets through :-)
Didier
John Miles wrote:
Dick: you got my message re: the TDS 544, right? (Apologies for the misuse
of bandwidth but I have had a *lot* of trouble emailing Earthlink users
lately, and wanted to
The first time I heard of all-pass filters, I said to myself: what's
the point?
I could say the same about Earthlink's filter (all-reject): what's the
point?
Didier KO4BB
Richard W. Solomon wrote:
Lately, Earthlink has been treating my jpeg and zip attachments
as a virus !! Especially if
I got the same from eBay. It's a Magellan - Ashtech G8, info at
ftp://ftp.magellangps.com/OEM,%20Sensor%20%20ADU/g8/Reference%20Material/
I have not turned on mine yet...
Didier KO4BB
Dave Brown wrote:
Subject line sez all. Picked this up recently with some other GPS
related stuff.
Google
Today is happy :-)
Tomorrow will not :-(
Didier KO4BB
Brian Kirby wrote:
Have a happy Leap Hour day !
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time-nuts@febo.com
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
I have several of those that did not adjust either. I simply changed the
time zone and I will have to think about changing back in 3 weeks.
I suppose the time signal includes DST info and these clocks do not use
it, while the Casio does? Or is the Casio a new model that may have the
right DST
I have had mine for a while and all I could say is, it was nice while it
lasted :-)
Well, on the positive side, you may be off by an hour, but the seconds
will be right :-)
I plan to take tomorrow off anyhow, that will give me another day to
adjust my own body clock (with is not disciplined
I do not know if my clocks (WWVB controlled types) are one of these hard
coded one, or a smart one, but I will say the one feature that made me
choose it over others was the low price (for a WWVB controlled model).
Let's be honest, it was cheap. However, if it happens to have simply
missed
Linear Technology LT1170
It's an integrated switcher, you need an inductor and a schottky diode
(and a couple of capacitors and resistors) but it will run with a small
heat sink and will help extend battery life.
It's available in several packages, I prefer the modified TO-220 (5 pins)
The
Hi Chuck,
Thanks for the tip. That's got to be the problem. I will take the CPU card out
of the worst offender tonight and look under the magnifier.
Didier KO4BB
Chuck Harris [EMAIL PROTECTED] wrote:
Didier Juges wrote:
Well, one thing for sure, in both my units, the chips
The 5370A (and B) service manual is also at www.ko4bb.com/ham_radio/Manuals
Didier KO4BB
Jeroen Bastemeijer [EMAIL PROTECTED] wrote:
Dear All,
I have problems accessing the 5370A manual on the Agilent website?!
Accessing the 5370B manual is nor problem. Any suggestions?
Thanks,
I bought a nice little noise source, flat from DC to 2 GHz, a Noise/Com
model (www.noisecom.com), on eBay for $30 a year ago.
You might want to try your luck there. A noise source is very handy.
Didier KO4BB
Bilal Amin wrote:
Hi John,
Thank you for your email. I am also looking at the PM
Angus wrote:
Although that's not what I was talking about doing above, I think that
it's pretty much what some of the hardware GPSDO's actually do using
various types of oscillators (and to good effect too). As in these:
http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Angus wrote:
Although that's not what I was talking about doing above, I think that
it's pretty much what some of the hardware GPSDO's actually do using
various types of oscillators (and to good effect too). As in these:
http
Poul-Henning Kamp wrote:
In message [EMAIL PROTECTED], jshank writes:
I check my 5370b by [...]
The manual is online in PDF somewhere and it has a nice and
simple to follow procedure, provided you have instruments which
are suitable substitutes what it prescribes.
Service
Dr Bruce Griffiths wrote:
[EMAIL PROTECTED] wrote:
...if my model is correct the apparent offset in the
mean will be increased by a factor of 10 over that for a a 1 second gate
time.
Bruce
Looks like you're right Bruce. I did both 1, 0.1 and 0.01 gate times and
the
Dr Bruce Griffiths wrote:
Jared Morrisen wrote:
And just how does this prevent someone altering the files's timestamp?
Not sure what your point is.
/jared
Jared
Just ensuring that the computer clock is accurate, doesn't prevent
anyone from tampering with the
This is for a price sensitive commercial application, not a science
project and he is trying to minimize the amount of hardware at the far
end for cost and maintenance reasons.
A cleanup PLL becomes very costly when dealing with a frequency agile
system.
Thanks
Didier
Hal Murray wrote:
A
GHz via fiber optic
Didier Juges wrote:
This is for a price sensitive commercial application, not a science
project and he is trying to minimize the amount of hardware at the far
end for cost and maintenance reasons.
A cleanup PLL becomes very costly when dealing with a frequency agile
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Bruce,
The more I read the specs, the more obvious it becomes. I did not
realize how jittery these things are.
I am still trying to get more info on how clean the LO has to be, but I
am pretty sure it will be close to telecom specs
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Bruce,
I have read about this, noise performance also is not good for analog
transmissions, causing very limited dynamic range.
That's probably why they use either FM or digital coding in just about
all applications.
I just did
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Bruce,
I have read about this, noise performance also is not good for analog
transmissions, causing very limited dynamic range.
That's probably why they use either
Magnus Danielson wrote:
However if all you have is a 10811 it will limit the short term
satbility of such a GPSDO.
The phase carrier measurements will have a lower noise floor than the
10811 for tau 10s or so.
A better oscillator (FTS1200, FTS100 Oscilloquartz OSA8607 etc.) will
have a
Dr Bruce Griffiths wrote:
Hej Magnus
Mitel actually used to make PABX equipment about 20 years ago. They also
did specialised ICs for such applications.
Bruce
That's what I knew them for, we even had a Mitel PABX for a while where
I work. Did not know they were into GPS and never seen
Layman explanation, be nice to me please...
The notion of carrier with a spread spectrum system is theoretical.
There is no carrier signal being sent continuously and modulation
sidebands that contain the information, as you would with an AM signal.
This is more like an FM signal, where the
Magnus Danielson wrote:
You can acheive much greater speedup by a combined frequency/phase approach.
You will get a very accurate frequency error estimate, so you will very
quickly be close enought to go into phase lock. At least if your clock isn't
too noisy. So, the lock-in time should not
Dr Bruce Griffiths wrote:
Didier
Typically with a good local oscillator you can do even better than that,
around 1E-11 in 1 sec is achievable and has been achieved.
Even with the on board TCXO typically 3E-11 or so in 1s is achieved.
Bruce
I don't understand how such good variance can
Hi Bruce,
Dr Bruce Griffiths wrote:
Bon soir Didier
You are confusing the disciplining precision of the oscillator with
measurement of its short term stability via the GPS receiver in this case.
Bruce
Bon après midi to you, I believe, and if my Clock program is any good,
you just
This is somewhat off topic, but still a matter of precision timing.
A friend of mine wants to send a 3 GHz LO signal up a fiber optic cable.
I know there have been threads dealing with transmission of precise
timing signals over fiber optics, and I hope I can get some suggestions
where to look
Two of those, with similar symptoms of bad sockets, otherwise similar
appearance, sold within an hour of each other, one for about $100 and
the other for $250.
I guess a number of people got pissed after missing on the first one?
eBay never ceases to amaze me!
Didier KO4BB
Hi Connie,
Interesting way to use Spectrum Lab (I suppose?)
Didier KO4BB
Connie Marshall wrote:
Here is a shot of my HP-10811 comming up from a cold start. The power was
applied at 01:41:00. Although this graph does not show it, the osc was about
.05Hz low after three hours.
Connie
K5CM
John,
One was sold by sierrametals (went for $250), the other by
electronicswest (went for $104)
I remember your posting but did not associate it with these items. I bid
on both, just in case since they were still at $20 an hour before close,
but I was not even close to final price, in either
Bruce,
Thanks a lot, I will wait until I get the unit and find out exactly
which model it is, then I'll let you know what the next questions will
be :-)
All applications I have seen referenced when searching google for
carrier phase tracking had to do with surveying or precise tracking.
I
Brooke,
I read about the uncertainty of absolute position because the carrier
phase data has no absolute reference, but that still gives a very
precise relative position (and speed) information.
The point is that for timing, absolute position information is probably
unnecessary. The benefit
There we go again,
Thanks to Bruce Griffiths, another beautiful copy of the HP 10544A data
sheet,
this time vintage 1976, is now at
http://www.ko4bb.com/ham_radio/Manuals/HP - 10544/
Didier KO4BB
PS: Bruce, I pasted the png files into a Word document, made them full page and
printed to PDF
[EMAIL PROTECTED] wrote:
I saw the vendor put up new pictures of the Thunderbolt that he has
hundreds of up in his auction . The pictures aren't very clear but it looks
as though HALF of the Thunderbolt is missing. There doesn't seem to be
any power conditioning board. Am I wrong about
I also agree.
While I would not mind getting a couple of units for tinkering, I
already have the regular commercial version, with the DC/DC converter,
the normal enclosure and the Trimble Bullet antenna, and the whole
package cost me $200 with a guaranty.
Paying anywhere near that for the
Richard W. Solomon wrote:
I looked at the ACE-III on Trimble and do not see mention of a 10 KHz output.
Maybe I miised it, but without it, the N1JEZ board will not do unless you
modify
it for 1 pps.
I am trying to find more info, but since it reached EOL, Trimble may have
deleted
it.
Thanks to Bruce Griffiths, a beautiful copy of the HP 10544A data sheet,
vintage 1972, is now at
http://www.ko4bb.com/ham_radio/Manuals/HP%20-%2010544/
1976 version is coming.
Didier KO4BB
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time-nuts mailing list
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This is correct, to the sense that a working GPSDO has sufficient status
information that you know with great probability of being right when the
device operates per specification, particularly when there is a good GPS
signal available from several satellites (3 minimum, 5 is good, more is
If the price goes below $200, I'll go for 2 units.
Didier
Colin Bradley wrote:
Here is the latest Thunderbolt list of interested purchasers. The list is now
in the mid 50's.
Colin Bradley [EMAIL PROTECTED]
3 units
Didier Juges
I talked to the Trimble sales manager. He said there really should be
mainly two versions of firmware, and they are mated to 2 different
versions of hardware, so there would be no point of upgrading.
I will try to find the specifics, but he said the older units have much
more available
You must have missed me:
Didier Juges [EMAIL PROTECTED]
Didier
Colin Bradley wrote:
The following is a list of the people who have expressed an interest in the
Thunderbolt.
Colin Bradley [EMAIL PROTECTED] 3 units
Robert E. Martinson [EMAIL PROTECTED] 1 unit
John Miles [EMAIL PROTECTED
Can't help with Cs tubes, but the HP 5370 can do 12 digits/second and
many other amazing things, such as 20pS resolution time interval in
single shot, and 0.1pS in repetitive mode.
This is what I have learned about counters lately:
The 5370A is relatively common on eBay, I bought two units
Connie Marshall wrote:
Is a GPS antenna and a Power Supply the only extras needed to have a fully
functional unit.
Connie
K5CM
That would be the case for a standard Thunderbolt.
Now, to know if your unit is any good, you need two others, and an Rb or
Cs oscillator would not hurt...
Do
Well, some of us who have been on this list much longer than me can tell
you that when you only have one clock, it's pretty hard to tell if it's
working right, or how accurate it is. If you have two clocks, they
probably won't agree perfectly, and you have no way to tell which is
right, if
I would be interested in one piece too, to keep company to the one I
already have :-)
(always have a backup...)
The starting price is OK with me, but considering it does not have the
DC/DC converter, I would be reluctant to put more into it.
Certainly it would make sense not to go into a
I have uploaded the schematic and some of the recent threads about the
10544 at
http://www.ko4bb.com/ham_radio/Manuals/HP - 10544/
Didier KO4BB
Howard W. Ashcraft wrote:
One difference between the 10544A and a 10811A is that the 10544A requires
+12v on pin 8 in order for the heater to turn
better. I think the military bought boat loads of these and I've heard
from a number of people that use them and like them a lot.
Have Fun,
Brooke Clarke
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Didier Juges wrote
Hi Brooke,
I am familiar with the Jim Williams app note, but I felt the pulse shape
was somewhat lousy (based on the pictures that came with the article)
due to the very small cap on the collector, OK to calibrate or evaluate
a fast scope, I guess, but too far from a square wave to be able to
They will be at http://www.ko4bb.com/ham_radio/Manuals/1_GPS_Stuff
Thanks
Didier KO4BB
Hal Murray wrote:
There are two versions on
http://www.megapathdsl.net/~hmurray/tmp/
They will be there until I need the space which will be at least a week or
two. If somebody has a good home,
I believe you could buy a Fury from Jackson Labs for about $750. It's specs
look pretty good.
Didier KO4BB
Jason Rabel [EMAIL PROTECTED] wrote:
Speaking of which...
Was it someone on this list (that is willing to admit it) that won that
Z3801A?
I was thinking maybe it would go for
Dr Bruce Griffiths wrote:
Christopher Hoover wrote:
Most (except for Trimble,..) GPS receivers and antennas
are designed to use 50 ohm cable.
Trimble Bullet GPS antennas have a 50 ohm output impedance.
Trimble literature however is ambiguous in that in the
Resolution T receiver
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Dr Bruce Griffiths wrote:
Christopher Hoover wrote:
Most (except for Trimble,..) GPS receivers and antennas
are designed to use 50 ohm cable.
Trimble Bullet GPS antennas have a 50 ohm output impedance.
Trimble
Dr Bruce Griffiths wrote:
Chris
Christopher Hoover wrote:
Most (except for Trimble,..) GPS receivers and antennas
are designed to use 50 ohm cable.
Trimble Bullet GPS antennas have a 50 ohm output impedance.
Trimble literature however is ambiguous in that in
I took a picture of my ACE-III test board.
http://www.ko4bb.com/Test_Equipment/ACE-III
There is a picture showing it side by side with the Jupiter. The Jupiter
is a little smaller, but draws about 240mA versus 95 for the ACE-III, so
the ACE-III is much better suited to a portable system.
I
It is true is that the impedance of a transmission line is not constant
with frequency, particularly at the low end (audio).
At the higher end, a lot of things happen, such as impedance,
attenuation and velocity factor all change (a little) with frequency.
Also, at the higher end, leakage
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Dr Bruce Griffiths wrote:
Chris
Christopher Hoover wrote:
Most (except for Trimble,..) GPS receivers and antennas
are designed to use 50 ohm cable
Didier Juges wrote:
Bruce,
You have done it again. Now, I have more ideas for interesting
experimentation and still not more time :-)
I have 3 coax runs going from my ham shack to the top of my tower to
feed the HF (14 to 30 MHz) and two VHF antennas (6m and 2m, or 50 MHz
and 144 MHz
Certainly a vector network analyzer is the next piece of test equipment
I need to get. We have several HP 8720 and 8722 where I work, and it's
easy to be spoiled...
Unfortunately, that's another quantum leap in cost from the spectrum
analyzers and synthesizers I have, at least for those that
Hi Jason,
Thanks for a lot of good info. I had already downloaded the manual, but
I had not found the ftp site, thanks. I will download and try the programs.
The info about pin 1 came a little late, but I can confirm that swapping
pins 1 and 8, and everything in between does not result in
Hi Jason,
I have looked everywhere for the 2mm hardware, and while I could find
connectors, the ribbon cable itself seems unavailable in short length
off-the-shelf. I will check Mouser (again...)
Receiver-wise, I think I am covered at the moment, with 2 Jupiters and
the 3 ACE-III. I can build
Nice Symmetricom antenna there, Jason. I need to find a similar mount. I
have made an S shaped support with PVC tube, but I have not found a
clean way to secure it to the wall. The metal bracket looks much cleaner.
I will look for laptop hard drive hardware. Even though I have yet to
find one
Hi John,
Thank you very much for the precise info.
The link to the catalog page does not work, but the description looks good.
Excellent!
Didier KO4BB
jmfranke wrote:
I purchased twelve inch ribbon cables with connectors for the Jupiter
receivers from Mouser. Their part number:
Jason I believe has a GPS4. I have not seen any on eBay in a while.
http://www.brandywinecomm.com/literature/bwc_lc_GPS4.pdf
There is also the HP 58540A that looks a lot like the Thunderbolt, but
the specs are not nearly as good. I have not seen any of those on eBay
in a while either.
I found them in the paper catalog, it's page 877 (the web site says page
868, but that's not it).
At $8 for one cable good for 2 receivers, that's all I need.
Thanks
Didier KO4BB
jmfranke wrote:
I purchased five of the twenty pin twelve inch cables and cut them in half
to have ten
Dr Bruce Griffiths wrote:
Didier Juges wrote:
Nice Symmetricom antenna there, Jason. I need to find a similar mount. I
have made an S shaped support with PVC tube, but I have not found a
clean way to secure it to the wall. The metal bracket looks much cleaner.
I will look for laptop
comprehensive testing
since SA was turned off.
Didier KO4BB
David I. Emery wrote:
On Sat, Jan 27, 2007 at 09:57:30PM -0600, Didier Juges wrote:
There is also the HP 58540A that looks a lot like the Thunderbolt, but
the specs are not nearly as good. I have not seen any of those on eBay
in a while
Joe,
You are welcome to upload it to ftp.ko4bb.com
login: manuals
password: manuals
then I'll move it with the other manuals at
http://www.ko4bb.com/ham_radio/Manuals
Thanks in advance
Didier KO4BB
Joseph Gray wrote:
I have a PDF for a 58516A, if that will help.
The problem fixed itself between the time I asked for help from my ISP
and the time they responded (the next day in the morning). They said
there is no file size limit and no directory size limit, the only limit
is the overall disk space at 25 GB, and I use 10% or 12% of that now.
He surmised
I wish I could agree, but I had the same problem immediately after you
notified me, so it was not you, or your computer, or your ISP :-)
Didier KO4BB
Joseph Gray wrote:
It was probably my fault. Things like that happen to me a lot :-(
- Original Message -
From: Didier Juges [EMAIL
Here is a shell script that sets a serial port, reads data from the
serial port and pipes it to another program (rpm)
#!/bin/sh
# open ttyS1, set to 19200 and raw mode (so as not to choke on checksum)
stty 19200 raw /dev/ttyS1
# Print what comes from ttyS1, filter through rpm
cat /dev/ttyS1
the data it is intended to process contains control characters,
which would confuse the shell (I think). You may be able to do a cleaner
implementation if you only use printable ASCII characters.
Didier Juges wrote:
Here is a shell script that sets a serial port, reads data from the
serial port
Hal Murray wrote:
Actually, if you're using a network time server on your home LAN, and
sync'ing your workstations to it, you need only make sure that the
time server is running right. The computers will then take care of
themselves.
NTP uses UTC. (Roughly. There might be
This HP Z3801A GPS Frequency Receiver Oscillator 58503 HAM, item
150083329300, is over $200 with 9 days to go.
It's going to be a long ride.
Just in case anyone was interested in joining the fray.
Didier KO4BB
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