http://www.google.com/url?sa=trct=jq=esrc=ssource=webcd=11ved=0CCMQFjAAOAourl=http%3A%2F%2Ftf.nist.gov%2Fgeneral%2Fpdf%2F1969.pdfei=nOEHU-TOI63p0QH93oHwBQusg=AFQjCNFEMeG-VSEQ_fkhNc301G2z9fc1eAsig2=wdsuOw8UDbWDB1Lu3HjfiQbvm=bv.61725948,d.dmQ
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activated, so if it burned..
Good only for 48 hours or so anyway if looking in the wrong place.
Maybe there is a market for Orbcomm asset tracking transmitters mounted
way up in an inaccessible location of the tail with own back up battery
supply.
--
Joe Leikhim
Leikhim and Associates
, but it was not
reliable. A friend was on Orbcomm and it had issues as well.
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One thing I don't fully understand are the spot beams. If this is a bent
pipe, how do they control which beam serves the terminal? And if ground
based command, would they not have a record of which spot beam that
MH370 was utilizing, therefore know approximate location and direction ?
--
Joe
landing since the signal drops suddenly.
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are trying to sort out the raw data
provided by Inmarsat. They have made assumptions about the stability of
the local oscillator in the satellite, but I think the aircraft
satellite terminal's master oscillator is a variable they have pushed
aside.
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Joe Leikhim
Leikhim and Associates
that trend is the dopler.
At least that's how I read the raw Inmarsat data. I may be wrong.
Need to think about it more.
-Brian, WA1ZMS/4
iPhone
Begin forwarded message:
*From:* Joe Leikhim jleik...@leikhim.com mailto:jleik...@leikhim.com
*Date:* August 18, 2014 at 12:53:24 PM EDT
*To:* time-nuts
it can adjust...
Guess it might be time to dig out the docs again.
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be larger and unknown in character... not sure. It is an error to
consider of course. Not clear to me how carefully it has been or what
possible factors have been considered. But surely the folks doing the
analysis know about these issues.
--
Joe Leikhim
Leikhim and Associates
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track enough to matter.
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of the observing satellite?
Cheers,
Magnus
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Looks like a clock to divide by 1000 and generate 59.99 Hz
A computer video card or monitor?
Some piece of Video gear?
A UPS?
A solar system power inverter?
A generator control panel?
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Leikhim and Associates
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jleik...@leikhim.com
407
wife tends to record everything on the air, it is not practical to
extend the recorder by a minute or a conflict occurs with other recordings.
Joe Leikhim
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leaving
the bulb and making a straight path to the filter cell, and
ultimately the detector end of the package. Look at the bulb
on the side where the light must exit, and if it is shiny
and black, heat it there until it clears.
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Joe Leikhim
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Probably a hermetically sealed inductor of some aort.
(snip)
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,
Jean-Louis
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Joe Leikhim
Leikhim and Associates
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noise components are -177dBm/Hz their sum is
-174dBm/Hz.
Bruce_
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I have just sent off an e-mail to David Howe of NIST Metrology
requesting clarification about this assertion that KTB is revised -3dB.
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it as the feed for a 4 foot
diameter F: 0.375 dish antenna for a dedicated WAAS receiving set up.
Thanks,
John Franke WA4WDL
4500 Ibis Ct.
Portsmouth, VA 23703
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Joe Leikhim
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Back when I was in product engineering there was a VCO design that used
a superfilter circuit. It consisted of a pass transistor and a filter
cap from base to ground. The gain of the transistor multiplied the
effective capacitance. I have not seen this configuration since.
--
Joe Leikhim
John; Are the voltages correct in the circuit? Perhaps something has
drifted such that the control voltage range is incorrect?
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Leikhim and Associates
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sort of buffering is required to make sure the data is transferred
during this interval. If your Ethernet device uses same technique, would
there not be jitter imposed by the relationship of your expected data
and the required synchronization of the power line signal?
--
Joe Leikhim
Leikhim
Will see you then thanks
Sent from my iPod
On Jun 4, 2013, at 2:11 PM, time-nuts-requ...@febo.com wrote:
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Much like injection locking one or more Magnetron oscillators from a
reference signal. --
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and a shortwave RX to the
TR and could tune the SW band faithfully.
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Funny when I go to the links and read about the subject, time seems to slowww
down
By the way, googling microwave weed burner to find this article turned
up another application of microwave heating for a very different kind of
weed.
--
Joe Leikhim
Leikhim and Associates
Communications
http://www.ebay.com/itm/2x-got-rubidium-Sticker-Die-Cut-Decal-vinyl-/160631582135?pt=Motors_Car_Truck_Parts_Accessorieshash=item2566636db7vxp=mtr
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Joe Leikhim
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are cleared. So if you are buying a house in a
particular neighborhood, do some walking around looking for signs of
buried facilities.
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Joe Leikhim
Leikhim and Associates
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jleik...@leikhim.com
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instruments.
$20 shipped media mail lower 48
. Contact me directly with your address. Paypal accepted.
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Joe Leikhim
Leikhim and Associates
Communications Consultants
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jleik...@leikhim.com
407-982-0446
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time
Sold to Mike Feher who was quickest to reply.
Thanks all.
On 12/22/2013 12:00 PM, time-nuts-requ...@febo.com wrote:
TIME AND SPACE Measuring Instruments from the 15th Century to
the 19th Century (Joe Leikhim)
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
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as this creates a conflict with recordings to follow, One would
thing the cable box would have a time adjustment.
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that was essentially a waveguide slot/ bandpass filter. It
was to test for out of band interference. This you might try at one or two
sites.
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they needed so many.
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:-)
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Maybe he became hard of hearing and started observing the muzzle flash?
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rights to the IP core for their IC.
I guess someone else could design their own IC...
Rick
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receiver on the USB port. Can
anyone recommend a software add on that will make this type receiver
appear as a standard RS232 Com port to my software?
Thanks
--
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Leikhim and Associates
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Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note
--
Joe Leikhim
President
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Oviedo Florida
407-982-0446
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and follow
awaiting their final home.
This latest firmware addresses the GPS date problem.
DT101E = TCXO
DT102E = OCXO
DT103E = Rubidium
Some guy is selling DT101E chips on eBay for $50 (sorry if you're on the
list...)
-Bob
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Joe Leikhim
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Personally I find the light spectrum from the CFL's and LED's to be very
unpleasant. I have had to add an incandescent to the lighting in my
office to keep my eyes from straining.
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Joe Leikhim President Leikhim and Associates Oviedo Florida 407-982-0446
jleik...@leikhim.com www.leikhim.com
to town telling us what we might want to see
etc.. I could recognize she had some unusual speech traits although AS
wasn't well known if at all at the time. Years later I saw Temple
Grandin on a TV show and realized she was probably the same cow girl!
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Joe Leikhim
Leikhim and Associates
It is a digital divider chip. It would be a very non linear device in that
application.
Sent from my iPod
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the inherent cable loss, and even if so the preamp
must be screaming in gain to make up for the loss. I intend to get a
proper antenna.
Here is a comparison of specs of these type antennas:
http://gpsinformation.net/main/gpsantrev1.htm
--
Joe Leikhim
Leikhim and Associates
Communications
-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Joe Leikhim
Sent: 02 November 2011 18:52
To: time-nuts@febo.com
Subject: [time-nuts] Monitoring the Rapco 1804M - how antenna changes affect
the unit
I tried a similar Garmin antenna with my Datum ET6000 and the lock
Try this or datawedge
http://www.taltech.com/products/winwedge
Sent from my iPod
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Fear Uncertainty and Doubt from Wireless For America dot Org (AKA
Lightsquared) . Approved by Republican and Democratic Regulators.
http://www.youtube.com/watch?v=HyyDIk8W6Kw
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
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jleik
Fun with 9 volt batteries! 8.4 x 52 =437 volts. Save those old batteries!
http://yourepeat.com/watch/?v=I2fD-hYVLxE
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Joe Leikhim
Leikhim and Associates
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Note to GMail Account users. Due
You could put two metal tabs on the pendulum arm to be influenced by two
proportionally biased electromagnets. A ferrous one to speed up the arm
and a non-ferrous one to slow down the arm using eddy current.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
I have been watching this thread and may have missed something. My
questions: What is the purpose of the outboard OCXO VECTRON 63.8976Mhz?
What model number does this RB most closely resemble?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
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good will,
than scrap them.
-Chuck Harris
Joe Leikhim wrote:
I have been watching this thread and may have missed something. My
questions: What is
the purpose of the outboard OCXO VECTRON 63.8976Mhz? What model
number does this RB
most closely resemble?
--
Joe Leikhim
Leikhim and Associates
could bring the planes down.
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Joe Leikhim
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jleik...@leikhim.com
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Note to GMail Account users. Due to an abnormally high volume of spam
originating from bogus GMail accounts, I have found
.
US officials skeptical of Iran's capabilities blame a malfunction, but so far can't
explain how Iran acquired the drone intact. One American analyst ridiculed Iran's
capability, telling Defense News that the loss was like dropping a Ferrari into an
ox-cart technology culture.
--
Joe Leikhim
tracking and locked, the screen flashes DOING GPS
CORRECTIONS periodically. Is this normal?
Any hints or tips to using this unit?
My needs are to provide reference for the HSO in my HP-8920B and to
provide precise timing and phase for some radio projects.
Thanks in advance
--
Joe Leikhim
antenna
3) Do people really run coax straight from a GPS antenna into their
house with no protection from lightening? Maybe a GPS antenna is a
small target compared to a 100 foot wire antenna in Florida
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Joe Leikhim
President
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407-982-0446
jleik
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details on your requirements?
Rob Kimberley (in UK)
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Joe Leikhim
Sent: 09 January 2011 11:01 PM
To: time-nuts@febo.com
Subject: [time-nuts] Fwd: Request
Anyone have any suggestions? Thanks
How the FCC behaves in response to this will be very interesting and
revealing. Hopefully this won't be another NEXTEL 800 MHz type decision.
Otherwise I may find myself avoiding airplane travel in the future ;-)
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Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
Hi;
I would like to change my settings to receive only one daily digest. The
website is not clear on how to make the change for existing subscribers.
Can the administrator adjust this for me? Thanks
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Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
Thanks; That explains the multi posts. I was sure I was set for daily
digest and apparently I am, but as you explain, daily is 30KB. I will
figure out a work around here to redirect to a folder. Thanks
On 2/14/2011 12:15 PM, John Ackermann N8UR wrote:
On 2/14/2011 11:45 AM, Joe Leikhim wrote
two such systems in phase etc?
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identification notation indicates which bits are modulo-2 added and fed
back to the input of the shift-register.
As an example the [7,1] sequence is generated by modulo-2 adding
register bits 1 and 7, inverting this and applying this to the input of
the shift register.
Thanks
--
Joe Leikhim
Leikhim
in the unscrambled data
stream. That error pattern will be the polynomial used for the LFSR. (It's
easy after you see it.)
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better to run a bit more math
and figure out the right sequence for the time you are at.
Bob
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Joe Leikhim
Sent: Wednesday, February 16, 2011 4:14 PM
To: time-nuts@febo.com
Subject: Re
the alarm flag it's not right. Not a lot to get done
in a second.
Bob
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wrote:
you *could* call the FCC and ask them...
Or, just build whatever, and wait for someone to complain, and say
you misinterpreted the rules. Unless you're a jerk, I suspect that
they won't fine you or anything else.
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Joe Leikhim
Leikhim and Associates
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ohm type however.
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utilize the new blank spaces in the spectrum and create
a new mode of multiple access service.
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this? I live near Orlando (Oviedo).
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of a country
where wireless Internet can reach every city, county and farm.
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80's.
If anyone wants a copy please send me an ORIGINAL email off list and I'll send
you a PDF.
I will also post a copy to Didier's web site in a few days.
Regards,
Perrier
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Joe Leikhim
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don't care much about start
and stop times. If I program something to record using the schedule,
often I miss the end of it. They frequently go over the half-hour or
hour mark by a minute or two. Occasionally they complicate it more by
starting a show a little early too. That irks me.
--
Joe
Delay lines, mixers, feedback, transmitters, PSTN
http://www.max-neuhaus.info/radionet.htm
http://www.max-neuhaus.info/audio-video/audio-video.htm#
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There is a great special about Einstein on PBS. I think there are two
episodes. I watched one, near the end there was some definite
time-nuttery going on with portable HP cesium clocks
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Joe Leikhim
Leikhim and Associates
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"The biggest variable will be the velocity factor."
If you determine the length electrically, you will already have the
electricallength. If you need the physical length, then multiply electrical
length times the inverse of the velocity factor.
--
Joe Leikhim
Leikhim and
Price reduced, final hours!
http://www.ebay.com/itm/162197662488?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
On 8/22/2016 10:47 PM, Joe Leikhim wrote:
For anyone still playing with old school CALIFORNIA MICROWAVE type
Microwave brick cavity oscillators.
http://www.ebay.com
For anyone still playing with old school CALIFORNIA MICROWAVE type
Microwave brick cavity oscillators.
http://www.ebay.com/itm/162150569755?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
I am cleaning out closets to make room for the next big project.
Also check out my other related
also remodeling an existing storage "shed" attached on the side of
my house into a walk in closet and intend to replicate this same
arrangement with a small wall mounted A/C to keep that space dry.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Flor
bench. Another time a diode was photosensitive.
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Great stuff. Helps understand Magnetrons, Injection locking, etc. Also
love those relaxation oscillators.
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Joe Leikhim
Leikhim and Associates
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