, but for random times, over very
long intervals.
There are numerous Wiki's, and other sources of information that
can be found by searching for Loran C.
-Chuck Harris
John Marvin wrote:
> I don't have a Loran receiver, and I live in Colorado. But I'd still like to
> check
> late at nig
would.
-Chuck Harris
Adrian Godwin wrote:
> Recovered cells aren't only sold through ebay parts adverts - they're also
> used for production. I recently bought a few cell phone boosters which
> consist of an 18650, a charge circuit and a voltage booster to 5V.
>
> They were low
with pretty good
results..
-Chuck Harris
Attila Kinali wrote:
> Hoi Bert,
> Some small remarks: 18650 is by far the most common form factor
> of Li-Ion batteries on the market. This is IMHO the better choice
> than the 26650 if you want to be able to replace them in 10-20 years.
>
&g
. The switcher ovens simply splatter the
whole ISM band with strong microwave noise.
-Chuck Harris
Bob Camp wrote:
> Hi
>
> It just so happens that I’m trying to track down an issue with my WiFi as
> I type this. My *guess* is that there is a dropout going on. The only easy
> way I can see to g
Leap seconds only matter if you are counting seconds. The power
line isn't. As long as they keep the frequency near nominal, they
are fine.
-Chuck Harris
J wrote:
> Power utilities tweak the system frequency on a daily basis to keep MAINS
> powered clocks correct. I wonde
functioning GFI protectors are in use,
and can be maintained, they have been wildly successful!
I will have to leave discussions of which system is better/safer/
cheaper/more reliable, for another time and forum...preferably one
where there is beer and loud music.
-Chuck Harris
Gregory Maxwell
I think the click was probably made loud intentionally. It would make
it easier to set the clock accurately to within a fraction of a second.
It would also make it quite evident if two clocks were out of sync.
-Chuck Harris
paul swed wrote:
> Wow Mark thats not what I would have expected f
, but it can.
These clocks are not a lot of fun to live with. They sing along
quite loudly at 1KHz.
-Chuck Harris
Hugh Blemings wrote:
> Hi,
>
> I've been fortunate enough to acquire a HP 115CR Frequency Divider/Digital
> Clock -
> it's electromechanical and I suspect built in t
I spoke is part of the motherboard
on the Dell computer.
-Chuck Harris
jimlux wrote:
> On 12/16/16 6:33 AM, Chuck Harris wrote:
>> A customer's 'doze 7 computer got auto updated to 'doze 10,
>> and with that upgrade came a usb hub that timed out, turning
>> itself off
Most older laptops have power saving hardware on the com ports
and the lpt ports too!
Try putting a blinky box on the port to see if the signals
stay lit through the stall.
-Chuck Harris
paul swed wrote:
> Thanks everyone.
> However on the dell laptop its an actual rs232 port. The
that
if he unplugged the monitor, plug and pray would restore things.
For a while.
-Chuck Harris
jimlux wrote:
> On 12/15/16 7:08 PM, Chuck Harris wrote:
>> Sometimes, when one is doing a long run that goes past the
>> usual power save times, the USB port will shut itself off.
?
-Chuck Harris
paul swed wrote:
> Mark
> I was going to respond with a humorous response. But can't come up with one.
> Why does LH and XP stall only Santa knows. (Ok thats as good as it gets.)
> No idea whats up but TBolt works absolutely fine on the XP Dell laptop with
> a r
works great on the bench, but fails when out
hanging on a light pole...
-Chuck Harris
Joe Leikhim wrote:
> Could the low noise parts actually be counterfeit, relabeled as such?
>
> Is the circuit the regulator feeds sensitive to a narrow band of voltage that
> the
> "good r
even think of using compression fittings meant
for copper, or plastic tubing on stainless. It won't
go well if you do.
-Chuck Harris
cdel...@juno.com wrote:
> Bob,
>
> That's the cheapest I have been able to find it.
>
> I'll probably go that route with the expensive version as
s, and
sell them as new. They probably are good enough for 99%
of the applications where they might get used. aged even.
-Chuck Harris
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
>
> Like Bob Camp said, it is better to pay more money and get a genuine
> product.
>
There is a fist sized bag of silica gel sitting in an
open from the top aluminum box.
Most units also have a little 24V Nicad pack.
-Chuck Harris
paul swed wrote:
> My speculation on the xtal. So the question is what is the empty box on the
> right that looks like paper is
, the little herd of
wet tantalum capacitors in its circuitry, and the
internal nicad pack that keeps it live during short
power failures..
The mechanical counter probably needs some cleaning
and lubrication at this point.
-Chuck Harris
Dave M wrote:
> It's Ebay item 351861979923
>
> Dave M
&g
That is a most interesting suggestion.
Suppose the filter crystal was pulled to the DUT frequency, and due
to the inertia of its very high Q, was able to show you the phase noise
variations of the DUT better than one might expect?
-Chuck Harris
Bob Camp wrote:
>.One thing you may be see
Adrian,
Simple is nice, but if we cannot talk about the limitations
that come about because of the simplicity, without causing
offense, how can we ever know if simple is good enough?
-Chuck Harris
Adrian Rus wrote:
> Rick,
> Why hunt goose with the cannon? The post is about a simple(r) c
Thank you Charles!
-Chuck Harris
Charles Steinmetz wrote:
> Chuck wrote:
>
>> The MBF distribution modules are all simple buffers,
>> and are mounted on the back panel. Being distribution
>> modules, they typically have 4 BNC outputs per module.
>
> I po
better if they
would have made a different panel label for the two
species of MBF modules.
-Chuck Harris
Colin Bradley via time-nuts wrote:
> I just received an Efratom MFS-209 GPSDO that I purchased onEbay. Everything
> appears to work. The only manual that I found online is forth
.
-Chuck Harris
Ed Palmer wrote:
>
>
> On 2016-09-26 10:00 AM, Christopher Hoover <c...@murgatroid.com> wrote:
>>> >
>>> >You might be able to slide something like a feeler guage down between the
>>> >oven and the rubber blanket to break the oscil
That is the board that contains the heater
controller, and the output buffer.
You need to get into the tiny vacuum thermos
bottle where all of the wires go.
-Chuck Harris
Christopher Hoover wrote:
> Top of the board stack
>
> https://goo.gl/photos/cUBtdTYH
.
It works so much better than lead free.
-Chuck Harris
Bob Albert via time-nuts wrote:
> Well I have found some Chinese sources of 42 - 50 grams on ebay for around
> $3. Is
> this the right stuff? The brand is Mechanics.
>
> Bob
___
ti
Uhmmm, I buy it new, and expire it myself... blush.
-Chuck Harris
Bob Albert via time-nuts wrote:
> So where do you get this expired paste? I have tried a few searches but no
> luck.
> Bob
___
time-nuts mailing list -- time-nuts
.
These white cube shaped capacitors are something high
quality. The white color is a porcelain glaze that protects
the capacitor, and the wires seemed to be connected to
some sort of sintered silver area on the body.
-Chuck Harris
Ed Palmer wrote:
> That's not something I would have expec
/lead paste, not the RoHS stuff.
-Chuck Harris
Steve Wiseman wrote:
> On 18 August 2016 at 07:07, Bob Albert via time-nuts <time-nuts@febo.com>
> wrote:
>> I didn't use the liquid solder because I didn't have any and it doesn't keep
>> very long.
>
> That's not
, and performance improved greatly.
-Chuck Harris
Ed Palmer wrote:
> I picked up a Sulzer 2.5 (not 2.5A or 2.5B or 2.5C) oscillator and 5P power
> supply.
> It's working, but the AlDev at low tau is poor. After a few days of operation
> the
> AlDev @ 1sec. is only 1e-10. It's not the pow
of translucent worms that cover everything I view.
You get used to it...
-Chuck Harris
Brooke Clarke wrote:
> Hi Chuck:
>
> The Mantis is very expensive and the arm in the EEVblog review is not as
> stable as my
> arm.
> https://www.youtube.com/watch?v=a3o0EWHEH08
> about US$ 330
LCD screen.
You can do a lot with a cheap USB camera mounted to a boom, a fiber
optic light source, or a ring light, and a laptop computer to
display the image.
-Chuck Harris
Bob Albert via time-nuts wrote:
> What are the important parameters regarding purchase of a stereo microscope?
&
, whatever you desire.
You could even modulate your sweep generator with a pulse,
detect the pulse with a diode, and measure the delay with
your oscilloscope.
-Chuck Harris
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
> On 8 Aug 2016 21:23, "Bob Camp" <kb...@n1k.org> wrote:
>
by with a much smaller fan.
It might be nice to leave a label somewhere that says
what you did, so the next owner won't be unpleasantly
surprised by it failing in his desert tent.
-Chuck Harris
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
> On 13 Jul 2016 08:31, "Charles Steinmetz&q
I can't imagine anyone following a link that is presented in this way.
I love a lot of things, how about telling me why, as a time-nut, that
I should love it?
As it is, this looks just like many, many, spambots taking over a list.
-Chuck Harris
hbonho...@freenet.de wrote:
hi, I think
the right thing to do) they simply stub
out the error path and go on. Yuck!
If you have been sending an ill formed packet, you best
stop doing that ;-)
-Chuck Harris
Nick Sayer via time-nuts wrote:
I'm sending at most a single 9 byte command per second. I currently wait for the
TX reg empty flag
,
and data RAM space. Things can get really ugly when that is done.
Also, to test my guess, put a delay between each character
sent to the FE-5680A. Say, 2 or 3 ms.
Needless to say before you do this, you need to develop a way
of restoring the firmware.
-Chuck Harris
Bert Kehren via time-nuts
A more modern name for a synchronous motor is a permanent
magnet stepper motor. Any PM stepper, and a couple of
microfarad capacitor becomes a synchronous motor when
connected to the power line.
-Chuck Harris
jimlux wrote:
Alternatively, use a
synchronous motor driving a load
Naturally.
-Chuck Harris
paul swed wrote:
Chuck if you do rescan them Diddiers site would be a great location.
Regards
Paul
WB8TSL
On Wed, Mar 23, 2016 at 5:11 PM, Chuck Harris <cfhar...@erols.com> wrote:
Yes, those are copies of my manuals. I had hoped that Brooke
would free them o
Yes, those are copies of my manuals. I had hoped that Brooke
would free them one day, but not so far.
I plan to rescan them and release them.
-Chuck Harris
Dave M wrote:
There's a CDROM available from http://www.prc68.com/P/Prod.html#Austron that
contains
a manual for the 2010B, as well
.
-Chuck Harris
paul swed wrote:
James
Funny I thought that manual would be around also and its not.
So it is a disciplined oscillator and thats nice. The question is what does
it want to control it.
It may be quite a useful unit if as an example it took a 1pps in. But I
will speculate it wanted
capacitance
null and void.
Electrolytic capacitors marked "Mexico" reached the replace
on sight stage a good 20 years ago.
The trimmer caps on the reference aren't generally a problem.
-Chuck Harris
paul swed wrote:
Umm Joe.
A good sign of a recovering time-nut is to know when t
I would venture that your unit has a broken SMD part, or a bad
solder joint.
Try using a wooden chopstick, and lightly pressing here and there,
and touching various parts to see what happens.
-Chuck Harris
Artek Manuals wrote:
To further underscore Charles point and to add another dimension
Looks like the output of a simple single ended emitter follower
that isn't being loaded properly.
Try again, but this time with a 50 ohms load.
-Chuck Harris
Logan Cummings wrote:
Hi All,
Curious what could give this waveform (attached) - I presume this is
not correct output
them direct from
China cheaper than that... which is why I don't sell them
anymore.
-Chuck Harris
Bryan _ wrote:
Chuck, what do you use for a hot air source. The good ones are very expensive.
Wonder if there is something for the hobbyist. Have seen a few repair videos
where
they used just used
/2-2/3 the way to
the solder melting temperature, and use a little gentle
hot air source to head the pads the rest of the way to
molten. No need for soldering irons.
Practice on junk boards until it becomes natural.
-Chuck Harris
Bert Kehren via time-nuts wrote:
We have looked at the LMK
used one, but I have
heard good things from those that have. Not exactly cheap,
but getting old has its costs.
You can work in SMD electronics when you get old.
-Chuck Harris
Bert Kehren via time-nuts wrote:
Chuck
Thank you for your advice, I will print it out and when needed experiment.
We use
orchestrated by
the controller, the controller can easily interleave
things in a way that can cause unintended latency in a
critical instrument.
-Chuck Harris
Magnus Danielson wrote:
Poul-Henning,
On 01/17/2016 12:52 PM, Poul-Henning Kamp wrote:
In message <569b61cf.3
be trying to refresh the screen ;-)
-Chuck Harris
Mark Sims wrote:
Lady Heather predates QT by several years... actually back to 1985 when her
mommy
controlled Magellan GPS receivers. A version ran on HP95LX palmtops during the
first Gulf War. The server option just uses the server program to connect
that made it work
on this, or that variation of DOS, 'Doze, debug...
-Chuck Harris
Mark Sims wrote:
I wonder if I've got anywhere near the skills to do it...
Probably not right now... it's not so much as knowing C, it's knowing the ins
and out of knowing how your operating system (Windows, Linux, etc
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 Harris
Ed Armstrong wrote:
Has anyone
and tablets.
-Chuck Harris
jim s wrote:
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
Seems to me that there was a court case where Springer was ordered
to follow through on its promise to release all books and academic
papers to the public domain after something like 5 or 10 years.
Anybody else remember anything like that?
-Chuck Harris
Bob Camp wrote:
Hi
Actually it looks
... the exact value varies by the manufacturer.
-Chuck Harris
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
On 17 Dec 2015 21:00, "Anders Wallin" <anders.e.e.wal...@gmail.com> wrote:
First prototype assembled today, tested with 12 VDC SMPS wall-wart supply
and with 12 V lead-acid ba
Let's be serious here. Radar is the wrong part of the E-M
spectrum. Use light. It is cheap, easy to detect, and
there are plenty of reflections to go around.
Or better still, listen to the tic. Then you don't even
have to open the case Which brings this full circle.
-Chuck Harris
Jim
it sits in the
various "positions" (dial up, dial down, pendant up, down, right left...)
All of this from the feverish minds of horologists back at the dawn of
the vacuum tube.
I would suggest that any programming you use for your tools do similar
things.
-Chuck Harris
Andrea Baldon
is a waste.
Burning teflon wire has its own plethora of problems.
-Chuck Harris
Mark Spencer wrote:
I looked up the part number of the cable I installed and the data sheet says it
does have Teflon insulation. It does look different than other Teflon cables I
have seen though. My main concern
quot;F" connector, and crimping die.
Fortunately the Ideal crimping die has all three sizes.
-Chuck Harris
F. W. Bray wrote:
For those of us in the U.S., does anyone have suggestions of vendors or brands
of
quality connectors and installation tools?
Over the years, I worked my way up from cheap
insulation
as the Quad, only it should have fewer shield layers.
-Chuck Harris
Hal Murray wrote:
cfhar...@erols.com said:
It is important to note that RG58 <> RG6 <> Quad RG6. They are each
different in diameter, loss, and shielding capability.
Is the attenuation of RG6 significant
ot; explanation confuses things more
than it helps if you are actually doing physics, but does tend to
make an intuitive feeling for special and general relativity available
to the unwashed masses.
-Chuck Harris
Didier Juges wrote:
Wow. So elegantly simple explanation, thanks John!
On November
Or, you could just stay at high elevation for a longer
period of time and make the travel time less significant.
-Chuck Harris
Arthur Dent wrote:
Tom wrote: "I'll make just a one word correction to your
summary. The clocks run a bit faster not because of "the
spinning earth&qu
the metal can, and access the trimmer.
I would sure hate to toss away all that hard earned aged xtal for
a new one at this point.
-Chuck Harris
Pete Stephenson wrote:
Hi all,
Lady Heather just reported that my Thunderbolt's "osc age alarm" just activated.
The manual tells me
Magnus,
Thanks for the detailed reply. I haven't had a need (read: no customer
has paid me to do so...) to wallow through the GPS ICD, so that document
is foreign to me.
Your explanation clarifies the situation... Now it makes sense.
Thanks!
-Chuck Harris
Magnus Danielson wrote:
Chuck
Seems to me that there is more to this than just
getting the displayed date wrong.
It is true that the date will present wrongly, but
what about leap seconds?
If the GPS week rolls over at 1024, how will the
GPS figure out which is the proper calendar date
to apply the leap second?
-Chuck
, and is still way too
bright. I make my wife prop something to block it so that it
doesn't keep me awake.
-Chuck Harris
cdel...@juno.com wrote:
Anyone know about these displays?
If the display is getting dim do I need a new VFD module?
Thanks,
Corby
that board has been worked on by a technician... and not a
very proud one at that.
-Chuck Harris
Dimitri.p wrote:
How common is it to find undetected missing solder on 10811 parts after all
these years?
Dimitri
___
time-nuts mailing list -- time-nuts
You missed the part about the 10MHz being divided by 10 million
to produce a 1PPS signal that is compared to the second 1PPS signal...
-Chuck Harris
Will wrote:
Hi,
I'm new and trying to get to grips with things.
If I understand correctly, please forgive if I have it wrong, This
locks
temperature at
the helm.
-Chuck Harris
Poul-Henning Kamp wrote:
In message <1530394039.1439027.1441348869239.javamail.ya...@mail.yahoo.com>, Pe
rry Sandeen writes:
OK, but why? The temperature would be stable so the resistorsand
reference diode wouldn't drift.
No, the tempe
for the designers of the 5065.
-Chuck Harris
Bob Camp wrote:
Hi
As we go joyously bashing the poor guys that designed this beast, it’s worth
noting
just how old the design is. 741 op amps were indeed “modern” when they did much
of this and quite possibly to modern to be trusted. Most of the design would
... I ought to take it off of the shelf and give it a go
once again... should be easy... for an engineer that now has 35 years
more experience... Right?
-Chuck Harris
cdel...@juno.com wrote:
Hi, Just thought I'd share some info on repairing a defective HP 5065A
lamp oven.
These ovens can fail either
to allow it to cool... or, you
can toss it into a can full of white ashes from your fireplace.
Or, leave it be and wait until it really fails before fixing
it.
-Chuck Harris
Mike Niven wrote:
Thanks Bob and Chuck for the comments. As Bob says, the lamp is easily
replaceable (just unscrews
the price back up to $150.
I considered buying one about two such casts ago, and missed
the low price point... and then decided that I didn't really
need to play this game with the seller.
-Chuck Harris
paul swed wrote:
Bob
Just took a look and the pair seems to still be at $150. Maybe
cell are a specially matched set. Just any
lamp is not necessarily going to work with any filter cell.
-Chuck Harris
Mike Niven wrote:
Thanks for the comment Bob. Tracing Efratom through the ages, I see they are
now
Microsemi. I wonder whether they will still have a lamp for such a geriatric Rb
it even has a
copy of the disk that has all of our names stored in it.
My wife designed some of the ASICs used in New Horizons.
-Chuck Harris
John Laur wrote:
The link below is an updated version of the same paper:
http://www.boulder.swri.edu/~tcase/NH%20RF%20Telecom%20Sys%20ID1369
in place of the original
5370 Motorola processor?
Thanks!
-Chuck Harris
Magnus Danielson wrote:
Fellow time-nuts,
Since I haven't seen any reports on this, I though I would write down a few
lines.
While normal counters use a pair of phase-samples to estimate the frequency, now
called Pi counters
Hi Magnus,
John, et al, did such a nice job of making us a hammer for our 5370's, that
it has the rest of us searching for nails.
Maybe this could be a good place to start?
-Chuck Harris
Magnus Danielson wrote:
Hi Chuck,
On 07/14/2015 07:46 PM, Chuck Harris wrote:
Hi Magnus,
Am I
of the story is, if you want to be in with the in-crowd,
and you are just a mere mortal (like me), you had better
rehearse *all* of the steps in advance.
A happy Independence Day to everyone in the USA!
-Chuck Harris
___
time-nuts mailing list -- time-nuts
, the only testing required (after the initial
design phase) is to program an offset into the watch that makes up
for minor frequency variations in the crystal at nominal room
temperature. Crystal manufacture is an imperfect process, so they
have to do that anyway.
-Chuck Harris
Andy wrote
gadgets.
-Chuck Harris
Bryan _ wrote:
But wouldn't normal watch wear just balance itself over time, one wears their
watch for say 12 hours and the rest it sits on a counter at a much colder
temperature. So wonder if Casio would actually go to such lengths to compensate.
Maybe, interesting
... Once the bulb is cleared, you are good to
go for another lifetime.
-Chuck Harris
Sean Gallagher wrote:
Good afternoon everyone,
So I have a bunch of Datum and Efratom LPRO Rb oscillators. I know that one of
them
is bad and I already swapped it out. I was getting really long lock times (if
lock
Thees units were made for the phone company, and phone companies
are big on hot-swapping modules. The shorter pins are shortened
to make sure that their circuit doesn't make contact until the
longer pins have made contact. Don't fix them!
-Chuck Harris
billriches wrote:
Hi Ulli,
I heard
The easiest way of getting a new well supported version of
DOS, is to download FreeDOS. Anything that worked on any
version of MSDOS will run under FreeDOS... and so much more!
-Chuck Harris
davidh wrote:
Folks,
I'm also working on getting the MSDOS version running. What is the most recent
,
and then pulled the antenna cable back through the pipe, causing
the plug and antenna to pop into the pipe mounting the antenna.
-Chuck Harris
Bob Stewart wrote:
Hi Bob, Thanks for taking the time to explain the 4ns and 20ns wanders. I have
just been calling them constellation errors without being able
for a great number of different packages. The
scripts pull in any needed windows DLL's, and applications.
It's cheap to buy a years support, and they give all of their
enhancements back to the wine project.
-Chuck Harris
Bob Stewart wrote:
Hi Chuck, I've renamed this thread, and expect it to die
, seem
to work... even a few viruses.
When I tried timelab, on Wine, it seemed to work ok for me.
Lady Heather also works nicely on Wine.
-Chuck Harris
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To unsubscribe, go to https://www.febo.com/cgi-bin
a problem for those who routinely use SVG?
Maybe.
I expect that the solver of this problem will be someone who is
flexible enough to embrace a wide variety of new techniques, and
processes.
-Chuck Harris
-Original Message-
From: Poul-Henning Kamp
Sent: Saturday, May 09, 2015 7:16 AM
antenna lengths for
unlicensed services of this sort, in this frequency range.
I would quite imagine that any certification they may have
is for the transmitter and receiver, without an antenna.
-Chuck Harris
Alex Pummer wrote:
yes for transmitter antennas, but not for receiver antennas in Austria
My recollection is that in the US, certain requirements
exist for antenna length on the so called free bands.
I have no idea what the European requirements might be,
but, perhaps they can be foiled by their allowing their
minuscule amounts of power to flow into an over length
antenna?
-Chuck
accurately the angle of
rotation. If you plotted the GPS location relative to
the angular rotation, you could then know the offset
from the assumed physical center, and the real phase
center...
-Chuck Harris
Poul-Henning Kamp wrote:
In message fc02a5e8-5396-4474-a307-546e10909...@n1k.org, Bob
,
adds 20 to the year, and then sends it on to the rest of the
system. Everything that is not a date gets passed through
unmolested.
-Chuck Harris
Pete Stephenson wrote:
On Tue, May 5, 2015 at 2:42 AM, Andrew Cooper acoo...@keck.hawaii.edu wrote:
We also ran into the TS2100 1995 bug this weekend
the wisdom of ignoring the well
publicized 1024 week roll over bug, and not replacing/reflashing
the GPS receiver years ago.
-Chuck Harris
Tom Van Baak wrote:
Hi Chuck,
It's not that simple. First, it's not 20 years, but 1024 weeks (19.6 years). And
not UTC weeks (which may have leap seconds) but GPS
stopwatch... Which, oddly enough,
you can still buy.
-Chuck Harris
Bill Beam wrote:
On Sun, 19 Apr 2015 23:25:10 -0400, Chuck Harris wrote:
1/5th second is simply the rate at which the balance
wheel on a standard stopwatch ticks... 18000BPM.
-Chuck Harris
You must mean 18000BPH
1/5th second is simply the rate at which the balance
wheel on a standard stopwatch ticks... 18000BPM.
-Chuck Harris
Jim Lux wrote:
Hence the reason that horse races are traditionally timed in 1/5th second
increments. (1/5th second is also about 1 stride for a race horse at full
gallop
3.5-4
in a
container filled with naptha (aka lighter fluid, or fuel) and let
it soak over night. By morning, there will be this highly bloated
and fractured gelatinous mess all over the board.
-Chuck Harris
Bob Stewart wrote:
OK, that explains your comment. This is most likely a silicone based potting
compound
the
epoxy starts to feel hard again, pop it back in the oven.
-Chuck Harris
OBTW, we are not talking about crystal ovens here, but rather unpotting
power supply modules.
Al Wolfe wrote:
This seems a bit toasty and is equivalent to 284F. Maybe meant 140F not C?
An oven set to 140C is your
at whatever frequency it felt like...
-Chuck Harris
Bob Stewart wrote:
This is just a brief report, not a how-to.
I got a KS_24361 with a bad Lucent power module. Having nothing to lose I
thought
I'd see if it came apart. After unsoldering it from the motherboard, I found
the
usual potting
I can't help but notice that you have several of these entries:
Log 067:20150101.00:00:11: 5V is out of tolerance, value: 5.52
Log 068:20150101.00:00:11: 15V is out of tolerance, value: 19.46
I think you better look into them before anything else.
-Chuck Harris
Dr. David Kirkby (Kirkby
change the amplitude modulation frequency.
Otherwise it should work beautifully.
-Chuck Harris
Peter Reilley wrote:
Robert;
It seems that a Doppler system should work for you.
But first, you have a problem. If you want to track your rocket
to 100K feet (20 miles) using some form
One of those services is likely the full blown web server
that runs on the BBB to allow you to view the help pages.
-Chuck Harris
Attila Kinali wrote:
On Sat, 21 Mar 2015 16:23:30 -
David J Taylor david-tay...@blueyonder.co.uk wrote:
I've just put up my first draft of a comparison
I Do. She works with wine on linux, and likes it!
-Chuck Harris
Dave Mallery wrote:
hi
does anyone have the lady running on WINE under Linux??
On Wed, Mar 11, 2015 at 6:13 PM, Paul Berger phb@gmail.com wrote:
I have also used LH with a Thunderbolt 'E' and did not have any issues
electrolytic tantalum capacitor to cause
corrosion. However, burned epoxy circuit board is very corrosive.
-Chuck Harris
Bruce Hunter via time-nuts wrote:
Jurg,
I did not see your picture before responding earlier. Check the dipped tantalum
on the right for a hole that spouted acid. The device
dependent phase
shifters to your circuit.
-Chuck Harris
paul swed wrote:
Experimenting with a 74ls86 XOR doubler for 5 to 10 Mhz. Typically this
would use a 90 degree phase shift to the other gate. The gate acting as a
mixer to produce 10 Mhz.
The reason to experiment is that I have noticed most
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