of the fundementals of which your questions to this list are centered omn.
73BillWB6BNQ
Bob Albert wrote:
My TS-940S acts as though it receives okay at 60 kHz. Not great sensitivity
but it does receive.
Most HP GPS receivers are expensive ($400?). I was hoping to get some results
There are plenty of other publications, but no need to overload you too
early in the game. The stuff above will give you a basic understanding
of the fundementals of which your questions to this list are centered omn.
73BillWB6BNQ
Bob Albert wrote:
My TS-940S acts as though it receives okay
Bob,
I am curious, a week or so ago I sent you an email that gave links to
some publications that would serve you very well in helping you to
achieve your goals.
Did you ever get that email and look at the linked PDF files ? ? ? ?
BillWB6BNQ
Bob Albert wrote:
Chris,
Okay you want
Hello Samuel,
Well, I just got done designing and building the very same thing. If I
recall correctly it is the same as the HC4046 which is 4 MHz. The 9046
VCO will only go up to 20 MHz absolute maximum. So you will need an
external oscillator and dividers.
BillWB6BNQ
sg sg wrote
Corby,
It would be nice to have included the eBay item number.
BillWB6BNQ
cdel...@juno.com wrote:
Hi,
I'm selling a nice PRS10 on eBay if anyone is interested.
With manual and schematics.
Works great!
Cheers,
Corby Dawson
___
time-nuts
that is +/-0.00025
Hertz error. At 1 MHz it is +/-0.5 Hertz error. And, finally, at 1
Hertz it is +/-0.005 Hertz error.
BillWB6BNQ
Kit Scally wrote:
Team Nutters,
GPSDO's are often specified for stability as so many parts per x. Using a
Symmetricom 8040C as an example, this has
as to the purpose
of the specification. Although I probably should have qualified a bit
more. It goes without saying that one should be careful when it comes
to specmanship no matter who it is.
BillWB6BNQ
Tom Van Baak wrote:
The value of 5E^-11 refers to the resolution that the precision
frequency. The digital
version does not permit any ANALOG control.
Bert's board is for the newer style DIGITAL version.
BillWB6BNQ
Dave Brown wrote:
Hi Bert
Will this work with all 5680s?
I understood (but may be wrong) that there are several versions of the
5680.
I guess if the serial
is. But as I recall
it was covered in a couple of PDF files by people who were showing how
to connect and other such data about the older version.
BillWB6BNQ
Charles Steinmetz wrote:
Bill wrote:
There are two types of FE5680's. The older style used an ANALOG
approach to controlling
and is electrically NON-conductive.
Food for thought,
BillWB6BNQ
Scott Newell wrote:
Bert asked me to send an update on the FE-5680 tempco mod progress.
It appears that the FE-5680A temperature signal (or maybe it's really
a current sense signal?) can be disabled by removing a single 10k
Dave,
Should have included the main page for that instrument. Here it is:
http://tmi.yokogawa.com/us/discontinued-products/other-test-measurement-instruments/time-interval-analyzers/ta320-time-interval-analyzer/
BillWB6BNQ
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
I see
Hi Dave,
Here is a link to the manual for that unit.
http://tmi.yokogawa.com/files/uploaded/ta320spec.pdf
BillWB6BNQ
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
I see this on eBay
http://m.ebay.com/itm/220505574616
Note that the seller has misspelled the manufacturers name. Has
(up to days) is last,
again, with respect to accuracy.
BillWB6BNQ
Karen Tadevosyan wrote:
Many thanks for all your recommendations.
Let me provide more details for understanding of my task.
I am playing with a GPSDO project on base of uBlox NEO-7M (http://www.ra3apw.ru/ublox-neo-7m-ocxo
list of manuals and other papers etc..
73BillWB6BNQ
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Hi Corby,
Will it start when it gets cold ? How long do you have to let it cool before it
will re ignite ?
Perhaps the lamp oscillator has a problem where it will not oscillate when hot
with the momentary lost of power.
BillWB6BNQ
cdel...@juno.com wrote:
It's been a few years since I
to me your
clock
should not be an issue in of itself. However, I am retired, as such, do not
have
a watch and pay little attention to the wall clock.
BillWB6BNQ
Sarah White wrote:
On 11/3/2012 5:32 AM, Sarah White wrote:
So, at or around 1981 (the year I was born) there was a cool concept
.
As for the FE-5680 Rb, it would require some filtering and such. Instead of
trying to modify the radio for a direct feed from the Rb it would serve you
better as a source in a PLL type arrangement.
Just my two cents. So give us more details.
BillWB6BNQ
Joseph Gray wrote:
I know that some here
a linear relationship for off
frequency.
I still need to figure out how to measure these voltages with an ADC
and interface to a R-Pi.
Just a fun project, I thought.
Joe Gray
W5JG
On Nov 4, 2012 4:15 PM, WB6BNQ [1]wb6...@cox.net wrote:
Hi Joe
Hi Tom,
I think you missed the point. He is trying to measure the noise floor of the
counter itself. So what he wants to know is if using the same signal for the
time base and input, would that cancel out the signals contribution to the
noise measurement.
BillWB6BNQ
Tom Van Baak wrote
,
BillWB6BNQ
Hal Murray wrote:
jim...@earthlink.net said:
Actually, I think the developing company does have patents on some of the
receiver implementations. You can probably design around them.
What's the fine print in this area? Does NIST have any PR blurbs covering
patents
mount types.
Do yourself a favor and look at the following URL and download the reprint of
the
QST article.
http://www.rt66.com/~shera/index_fs.htm
BillWB6BNQ
Chris Albertson wrote:
Now you can see the problem with designs that require both a PCB and a
programmed uP. Most people can't
Hello Bert,
The boards look nice but tell me nothing of the circuitry. How about sending
the schematics ?? That way I
can appreciate what it is that you have.
BillWB6BNQ
p.s. By the way, what ever happen with that DMTD you were going to produce
about three years ago ?
ewkeh...@aol.com
generator that is automatic when the shore power
drops.
My two cents,
BillWB6BNQ
Joseph Gray wrote:
For my use, I don't think the switching glitch will be a concern.
Most
of the time, the equipment will be in a standby mode. There is a
high
probability
, usually most things get to nominal room
temperature inside of 24 hours. So, in that case RETRACE and WARMUP would mean
virtually the same
thing.
BillWB6BNQ
Bob Camp wrote:
Hi
That's one interpretation and one method of measurement. The other method is
to measure frequency shift
would be a reasonable goal.
BillWB6BNQ
Sarah White wrote:
On 12/10/2012 6:10 PM, Arthur Dent wrote:
I believe that the high temperature alarm you see is triggered at 50 degrees
C. If that is what you're seeing without artificially raising the
temperature
of the Thunderbolt
to the air conditioning cycle.
BillWB6BNQ
Charles P. Steinmetz wrote:
That temperature sensor does have an effect on the final outcome as
it is part of
the internal equation. So buffering the ambient temperature is important.
I've heard this before, but the evidence I have seen does not seem
Hi Fabio,
I am not crazy about your 10 MHz input circuit. You might want to consider
investigating John Miles input arrangement at the following web site:
http://www.ke5fx.com/ac.htm
I used it to drive an input to a divider chip without the output resistor or
capacitor.
BillWB6BNQ
fabi
just like your unit.
Is your roughly the same size ? Do you know or have a picture of what it came
out of ?
BillWB6BNQ
Jean-Louis Noel wrote:
Hi all,
Will someone know what it could be?
http://www.stben.net/DSC_0338.JPG
http://www.stben.net/DSC_0339.JPG
Thanks for your help.
Bye
and pushing things
around
trying stretch components.
BillWB6BNQ
Ed Breya wrote:
I've got to make a very clean 10.0594... MHz VCXO for a redo of one
of my old circuits. I previously used a 10 MHz ceramic resonator, which
was easy enough to push around in frequency. Of course, I have a couple
YUP,
The C-130 aircraft uses larger than car battery size wet NiCd to fire up the
Genset that is used to start the Tubo-prop jet engines. Definitely has lower
resistance then the Lead-Acid wet cell.
BillWB6BNQ
Arthur Dent wrote:
But the only NiCd I know about are the AA sized ones.
I
,
as well as, going direct to the manufacturers for such OEM products.
I do not know if you are aware of it, but and finale product that transmits over
the air may need FCC certification. Other sections might apply in certain
circumstances.
BillWB6BNQ
Rick Harold wrote:
To time experts
,
as well as, going direct to the manufacturers for such OEM products.
I do not know if you are aware of it, but and finale product that
transmits over
the air may need FCC certification. Other sections might apply in
certain
circumstances.
BillWB6BNQ
Rick Harold wrote:
To time experts/EE's
some of the circuit parameters
to make sure things seem proper.
BillWB6BNQ
john wrote:
Hi
I'm hoping to get some information on the VCXO that sits in my watch
timing machine. The timer is a Chinese clone of a Witschi timer - the
heart of the thing is an 18MHz VCXO marked 'SCTF 03
as they talk about
checking
motors and buzzer noise from the watch. That being the case it is more likely
the 18 MHz should be right on frequency.
Well, unless we hear back from the guy and he answers questions put to him, we
really won't know whats up.
BillWB6BNQ
Ed Breya wrote:
How do you know
study of the circuitry.
Good luck,
BillWB6BNQ
john wrote:
Hi
Some very good questions - thanks for the responses. No schematic (or
documentation of any description - Ebay purchase), but I've done some
dismantling and had a poke around with a multimeter. This is what I
find
system is really two different processes. The FEI-5680A
number
is the generic case and layout style, etc. and another order number is
attached
that tells what is actually arranged inside.
So, the upshot is the older arrangement is easier to play with. Hope this has
been helpful,
BillWB6BNQ
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Chris,
Can you point me to the web site where the TI Launch Pad is sold for $5
including
shipping ?
Thank you,
BillWB6BNQ
Chris Albertson wrote:
snip
I plan to use a $5 TI Launch Pad. But
basically the same over all ideas he used. At $5 each with shipping
included TI is losing
. A second row would have 5 for the 10 minute marks. The third row would be
the hours with just the 12 LEDs but by using dual color LEDs you could cover day
and night.
Just thought I would complicate your project
BillWB6BNQ
Bill Hawkins wrote:
Looking for a long, thin horizontal
that will
help you get familiar with the family line. If you have problems with the link
let me know. Also, after you get a successful download let me know so I can
reduce the FTP storage level, thank you.
http://pages.suddenlink.net/stevewingate/cryptic1/for alec on 5650-option-58.zip
BillWB6BNQ
of it on a short term basis.
Thank you,
BillWB6BNQ
Alexander Wright wrote:
On 07/04/13 17:56, Robert Atkinson wrote:
Hi Alex,
These units were used as timing references for secure communication systems
(Havequick). see ebay item 130832014630. Unfortunatly they are an older
design
Alexander Wright wrote:
On 07/04/13 21:55, WB6BNQ wrote:
Hi Alec,
I am going to agree with Robert (G8RPI) on his assessment, particularly as
the dip switches are clearly visible in one of the pictures. Although I
wonder why Robert feels unfortunate about the [ two chip DDS
Devices has an
exact replacement. For my use, I have been working on a layout that would
duplicate it but also add the TOSLINK feature so I can get the house standard
over to the radio room from my (so-called)
Lab.
JUst food for thought,
BillWB6BNQ
Kevin Rosenberg wrote:
On Apr 22
.
No matter your view point about eBay, their concern is real and should be of
concern by everyone else. Particularly, as it is being handled to push it
through so fast without the proper vetting.
BillWB6BNQ
J. Forster wrote:
Hi,
I recieved a very odd communication, apparently from eBay
you could disassemble the Cushman oscillator and replace the variable
capacitor. That would improve things a little but no where near what can be
done
with the Marion 89A.
Hope this is helpful,
BillWB6BNQ
Frederick Bray wrote:
This might be slightly off-topic, but probably
the replacement crystal oscillate.
The 9.8304 MHz is related to various baud rates and also some clocking
frequencies for sound cards. So, don't throw it away as it is still useful. If
nothing else you could phase lock a 10 MHz oscillator to it as there is a
connecting ratio.
BillWB6BNQ
Andy
the thermistor as they easily break and the leads are
most certainly brittle after all these years.
Sounds like you need to verify all the power supply voltage levels are correct
before anything else. Most importantly, do not jump to conclusions to quickly.
BillWB6BNQ
Mark C. Stephens wrote
be adjusted
to make sure the single diode (in place of the 2N3904 circuit) is shut off when
the TL-431
comes up to speed.
Obviously, this would be best with intended output voltages above the reference
level.
BillWB6BNQ
Bruce Griffiths wrote:
I meant something like the attached circuit
Bob,
For the sake of propriety please don't propagate myths. The RS- series of
standards predate Radio Shack. The wiki at the following address has a good
write-up about it:
http://en.wikipedia.org/wiki/RS-232
And, yes it is standardized. Although many have abused it.
BillWB6BNQ
Bob
?
Hopefully, all this will get straighten out and we will all benefit from it.
BillWB6BNQ
Steve Rooke wrote:
Warren,
From what I hear you say, the calculation of ADEV requires frequency
measurements spaced at accurate Tau intervals. It is also evident
that, although frequency
Steve,
I think using a voltage-to-frequency converter would solve that problem. They
are not too expensive and there are several flavors from Amalog devices and some
others.
Just set it for a 1KHz start point or maybe 10KHz.
BillWB6BNQ
Steve Rooke wrote:
I would like to track the EFC
that being the file
creation and storage, hopefully in a raw PCM format (i.e., no compression. I
am not
sure what is required for the circuit of the VFC these days but it shouldn't be
anymore complex then that of building up a CPU and so forth.
Good luck with the project,
73BillWB6BNQ
Steve
1ppm.
Another, more relevant to timenuts, is the constant improvement of frequency
standards.
BillWB6BNQ
Michael Baker wrote:
Hello, Time Nutters--
Traceable to NIST...? All you need is this LPRO Rb osc being
disciplined by a GPSDO and you can claim NIST traceability?
Not the way I
stability and the second being accuracy. Even if it
is
not SPOT on accurate with a world reference does not make it UN-usable as
stability would be the more sought after parameter in any case.
So, I disagree with your premise,
BillWB6BNQ
Heathkid wrote:
Hello Bob,
What would you
have an atomic frequency reference, then sit the FEI-5680 on
the coffee table; job done. One cannot be properly guided if the goals are
unknown.
BillWB6BNQ
Bob Camp wrote:
Hi
The only way to be sure of what's going on is to have several (hopefully)
accurate references. With at least
John,
It will also work for Ulrich's Plotter program and that maybe all that is needed
for a timenut purpose.
No ?
BillWB6BNQ
John Miles wrote:
Depends on what he wants to do. If he wants to write his own apps for the
counter (or use mine) the Prologix controller will work fine. You
Poul,
That is absolutely not true ! Those CS-133's work very hard radiating from F1
to
F2 and back again at 9+ GHz !
BillWB6BNQ
Poul-Henning Kamp wrote:
In message 4c72f32a.9000...@elfpen.com, Chris Howard writes:
http://news.stanford.edu/news/2010/august/sun-082310.html
Any
to ask him his feelings but may require his
permission
for use of his list moniker.
BillWB6BNQ
Stanley Reynolds wrote:
Started setting up a time-nuts board at:
http://forums.n4iqt.com/modules.php?name=Forums
Need ideas for topics.
Stanley
Steve Rooke wrote:
Magnus
Yeah, it probably isn't a good idea to poach on a lawyer's trademarks.
Is he trading under that name?
Steve
Sure ! By providing an Email list service under that name.
BillWB6BNQ
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Steve,
That is true, but money is not everything and the argument of detriment to one's
good name could be made.
BillWB6BNQ
Steve Rooke wrote:
On 26 August 2010 07:09, WB6BNQ wb6...@cox.net wrote:
Steve Rooke wrote:
Magnus
Yeah, it probably isn't a good idea to poach
and chart form.
Am I reading that right ? Or, which one of the displays is from your weather
station ?
Thanks for clearing that up for us dummys that don't have a weather station,
73BillWB6BNQ
k6...@comcast.net wrote:
I'm also running weather display:
http://home.comcast.net
it being a PITA as for climbing. Each section is only 8
feet
in length but narrows as it goes up. It is possible with the right base to have
it in a tilt-over arrangement. Otherwise, it helps to rent a man-lift to do the
assembly if you got the guts to go in one.
BillWB6BNQ
Tom Holmes wrote
Good point Chuck,
Finding jars these days that are made out of glass is becoming a thing of the
past. So
many things are going plastic.
BillWB6BNQ
Chuck Harris wrote:
Why go to that much trouble. An old pickle jar would probably do just as
well.
-Chuck Harris
WB6BNQ wrote:
Hi
Hi Charles,
Well I am registered there and went to see. Sure enough it was there as a zip
file and I downloaded it and then sent by email to David.
BillWB6BNQ
Charles P. Steinmetz wrote:
David wrote:
I'm looking for this - has any one found a copy in the wild?
This site purports
Pete,
That is truly sad news to hear. He will be missed. Please pass on my
condolences to the family.
Thank you,
Bill Houlne WB6BNQ
Pete Rawson wrote:
Unfortunately, Chuck Norton, owner of Frequency Standards Services,
Colorado Springs, died Friday, 3 September 2010 in Denver's
to the
transmitter over any LORAN signal (when working) which is much further away.
BillWB6BNQ
Hal Murray wrote:
ra...@ralphsmith.org said:
There are probably several fatal flaws with this approach. In particular,
the following are required:
1) Ability to maintain constant lock to WWV
2
WB6BNQ
Poul-Henning Kamp wrote:
In message 63077.12.6.201.2.1286310871.squir...@popaccts.quikus.com, J.
Fors
ter writes:
That's why I think an amateur timing LORAN network might be quite
feasable. Imagine a dozen 1 KW PEP A-LORAN stations with Rb and GPS
scattered around the US
WB6BNQ
shali...@gmail.com wrote:
I have an HP-4508A Vector Voltmeter that has a bad case of meter paint
peeling. I took pictures to have in case it gets worse (which it probably
will), but I am concerned that any attempt at taking the meters apart (as I
would need to actually scan
WB6BNQ
paul swed wrote:
Boy do I agree with that.
If Diddier is reading this, wonder if we could add a meter scale to your
fine manual repository?
Regards
On Tue, Oct 12, 2010 at 12:38 AM, Rex r...@sonic.net wrote:
The ability to easily do this kind of graphics stuff (scanning
OK, found it
http://tonnesoftware.com/meter2.html
BillWB6BNQ
WB6BNQ wrote:
It seems to me,
There was a program or two that someone (or more) had written to do meter
scaling. It was designed to print properly on an hp laserjet as I recall.
At the moment am unable to find it in my
OK, found it
http://tonnesoftware.com/meter2.html
BillWB6BNQ
WB6BNQ wrote:
It seems to me,
There was a program or two that someone (or more) had written to do meter
scaling. It was designed to print properly on an hp laserjet as I recall.
At the moment am unable to find it in my
://tonnesoftware.com/meter2.html
BillWB6BNQ
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Brian,
As only one of the listed frequencies are usable in the US, you would do better
buying an ATOMIC clock at your local Walmart for around $20. That way you
also
get a nice display and it includes the same basic receiver inside.
BillWB6BNQ
Heathkid wrote:
Has anyone here bought one
inside and connect to the receiver for
your own
purposes.
BillWB6BNQ
mike cook wrote:
horses for courses.
All the commercial atomic clocks clocks I have seen only do time
corrections every hour to save on the battery consumption. With one of
these receivers ( there is even a link
and stick out a panel.
Dave ? Dave ? Why are you unplugging my internet feee
BillWB6BNQ
David C. Partridge wrote:
As I've mentioned before, I've been working on the design of a frequency
divider to go with my TB.
The idea is 10MHz sine in from TB, output 2.5Vp-p 50% duty
Did it occur to anyone that possibly these units where intended to be used in
some very cold country, like the top of Alaska or some similar place wheere a
little additional help was necessary ? ? ?
Just a thought . . .
BillWB6BNQ
Ed Palmer wrote:
Date: Sat, 19 Jul 2008 20:35:38 -0700
guess would be that the antenna might be working correctly.
So I would not be shorting anything out without getting a lot more information
first. Is there anyone else in your area that has such a system that you could
compare with ?
Good luck,
73BillWB6BNQ
Jose Manuel wrote:
Hello
Hi Bruce,
I looked at that also. Using OPERA browser I can zoom in really well and at
400 % you can just make out the trace under the coating and other stuff
obscuring the view.
BillWB6BNQ
Bruce Griffiths wrote:
Jose Manuel wrote:
Hello all,
I´d like to repair a HP58504A antenna
on the Analog Devices program after setting the filter factors.
I certainly am no expert but the Elliptical filter, which I have some
small familiarity with, seemed to be the best choice for the frequency
range.
BillWB6BNQ
References
1. http://designtools.analog.com/dtDDSWeb/dtDDSMain.aspx
WB6BNQ
Mike S wrote:
At 05:42 PM 7/23/2008, Bruce Griffiths wrote...
Another approach is to divide the 10MHz by 5^7 (78125) and then use
an
injection locked multiplier chain to generate 32768 Hz from the
resultant 128Hz output.
It may even be possible to do
easily handle that level. With care, a
crystal oscillator in a well designed circuit can reach parts in 10^-8
with a bit-bang oven control. HP did that in the late 1950's. From
that point the difficulty is logarithmic.
BillWB6BNQ
Philip Pemberton wrote:
Hi folks
. As for #1 or #2 questions, I would think
of those as a last ditch effort.
BillWB6BNQ
[EMAIL PROTECTED] wrote:
I am in the last stage of restoring a 1964 General Radio Frequency
Standard Model 1120-AB.
I'm having trouble getting the inner oven to work propoerly
possible.
BillWB6BNQ
Mike Monett wrote:
Bruce Griffiths [EMAIL PROTECTED] wrote:
Max
A capacitance bridge using a transformer would be a lot
more
stable than merely using the capacitance to vary the frequency
of
an LC oscillator
not found a manual or
even a reference to it anywhere on the WEB or at surplkus
places offering books.
BillWB6BNQ
Dave M wrote:
Phil,
I'm a new subscriber to this forum. I saw that you have a manual for the
Montronics 103A comparator. I have one of these and could use a manual
.
Of course I have Googled and sure enough BPM is the Chinese time station.
Havent chased after QSL cards in a long time. This is one I sure am going to
request and see what happens.
BillWB6BNQ
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Hi Bill,
You're right there are two US stations on the HF band, WWV and WWVH. I was
generically referring to them both. Although in my mind I did not really think
of WWVH per se. In either case neither WWV or WWVH were not there in any
recognizable strength.
BillWB6BNQ
Bill Hawkins wrote
of these cubicles for access.
BillWB6BNQ
Lux, James P wrote:
In a message dated 05/09/2008 05:23:56 GMT Daylight Time, [EMAIL PROTECTED]
writes:
Trivia: The engineer who designed that chip for HP 35 years ago has the
cubicle next to me at Agilent Labs! It was considered very
Hi Neville,
You said . . . I mounted a12V 1 watt 40mm brushless DC ball bearing fan, . .
Damn, is that thing turbo charged ?
BillWB6BNQ
Neville Michie wrote:
Hi,
I have just commissioned a temperature control for my LPRO rubidium
oscillator.
When I read the specs I noticed
Hi Neville,
In all seriousness, I thought the Rubidium physics package is heated for
reasons. Now that you are heat sinking it, what has happened to the current
draw
for the whole unit ? Or am I misunderstanding something ?
BillWB6BNQ
Neville Michie wrote:
Hi,
I have just commissioned
diatribe.
BillWB6BNQ
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To clarify item 3
Item 3 came across unclear after reading it again. What was meant was a third
channel to compare either of the two mentioned House Standards to a third device
without interrupting the two primary control channels referred to in item 1.
BillWB6BNQ
to see that it should be a group
effort. Otherwise you have 3 or 4 people duplicating the wheel so to speak. If
those 3 or 4 could channel their efforts into one project perhaps we would end
up
with the best out of all 3 or 4.
regards,
BillWB6BNQ
. The only two places that I can think of, off hand, would
be televison and RADAR (systems with multiple terminals).
BillWB6BNQ
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of the FMS you mentioned, the only difference is the devices being
compared are not being moved. The same methodology still applies however.
BillWB6BNQ
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Paul,
Send me a photo as well please. I have a Sulzer 1150 5MHz oscillator and am
curious if it looks the same.
BillWB6BNQ
[EMAIL PROTECTED]
Rob Kimberley wrote:
Paul can you send me a photo of your oscillator?
Cheers
Rob Kimberley
-Original Message-
From: [EMAIL
it is a formal letter or an informal note. An
Email is a letter ! All the do - dad shorts for smiling and such
(none of which I have learned) allow people to forget how to describe,
more accurately with words, their ideas and feelings.
BillWB6BNQ
question ?
BillWB6BNQ
Bob Q wrote:
Do rubidium standards use an OCXO?
Bob Q.
- Original Message -
From: Rick Karlquist [EMAIL PROTECTED]
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Wednesday, October 22, 2008 2:23 PM
Subject: Re: [time-nuts
of the oscillator.
Of course, if you are a purist then nothing but the best is good enough.
BillWB6BNQ
Bob Q wrote:
So why would they not show the same kind of jumps as plain OCXO's? Rick K.
mentioned atomic standards avoid jumps.
Bob Q.
- Original Message -
From: WB6BNQ [EMAIL
Yuri,
Sorry about that, but I guess the Trimble Thunderbolts are out of stock all
ready.
BillWB6BNQ
WB6BNQ wrote:
Hi Yuri,
Unless you need the longer term stability of an undisciplined Rb source, I
think
you would be better served to get one of the Timenuts group Trimble
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