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With Best regards, Thomas S. Knutsen.
Please avoid sending me Word or PowerPoint attachments.
_
(-10V, 5V, 3.12V).
If anyone have any idea on where to get service info on this receiver, it
would be most helpfull.
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With Best regards, Thomas S. Knutsen.
Please avoid sending me Word or PowerPoint attachments.
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up so this issue is hardly
> unique to the
> loop amp.
>
> Bob
>
> > On Jun 28, 2017, at 6:29 AM, Thomas S. Knutsen <la3...@gmail.com> wrote:
> >
> > Hi.
> >
> > When measuring Phase Noise using PLL, what noise would be contribuded
> from
> >
.
Thomas.
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With Best regards, Thomas S. Knutsen.
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and follow
FWIW, Loran-C at Jan-Mayen was shut down at 1200NT (1100UTC).
Info from: http://jan.mayen.no/nyheter/en-aera-er-forbi/
I will check with a friend at Bø station on monday regarding the rest of
the norwegian stations.
BR.
Thomas.
2016-01-01 3:16 GMT+01:00 GandalfG8--- via time-nuts
>From what I understand there have been some strongly worded letters from
the russian goverment to the norwegian with regards to the shutdown of Bø
chain (Jan Mayen, Bø in Vesterålen and Berlevåg) all in Norway.
The russians dont seems to happy with the loss of LORAN, specialy when
aurora borealis
2014-11-29 16:24 GMT+01:00 Dave M dgmin...@mediacombb.net:
Yeah, that's a good way to completely avoid the issue. Since I'm the only
target audience for my efforts, then I don't mind the extra components.
I'm beginning to realize, as I get deeper into building my own stuff, that
a VNA is
John Miles did the phase noise measurments, they are avaible here:
http://nt7s.com/2014/11/si5351a-investigations-part-7/
BR
Thomas.
2014-11-11 21:49 GMT+01:00 Joseph Gray jg...@zianet.com:
Some of you have probably already heard of this new clock generator chip
from Si. News of a board
The potatochips are quite excelent high speed devices, and by selling them
on e-bay, they make it avaible to us who are not able to go through the
normal supplier chains.
Br.
Thomas.
2014-10-19 2:48 GMT+02:00 Tom Miller tmiller11...@verizon.net:
This looks pretty interesting:
74G series
The design of an VNA is an interesting thing. It requires quite high focus
on good RF practices and screening.
In the range 0-3GHz there is no low cost devices avaible, not counting the
copper mountain tech boxes ( http://www.coppermountaintech.com/ ). Up to
1.3GHz there is the DG8SAQ VNWA
There seems to be someone thinking that all LORAN-C stations are shut down,
and this is not correct.
I know first hand from the Eidi and Bø chain, that both are drifted by
their host nations, as this responcibility was transfered to them from the
USCG in 1995. I beleve most on foregin soil are
What you can do, is to have the program know the addresses and status code
of the items on the bus, then do an serial poll to get the status of each
item on the bus.
It wont work on all items, but it should be possible to avoid problems like
the one you describe and instrument not turned on.
In
An semester or two with linear algebra is an good start, but the homepage
of matlab have an excelent learning section.
No experience with Octave yet.
MIT OCW (open courseware) have lectures on linear algebra, in addition to
most of the other courses offered at MIT.
BR.
Thomas.
2013/1/7 Attila
This week it may be Visual Studio, avaible from:
http://www.microsoft.com/visualstudio/eng/products/visual-studio-express-products
73 de Thomas
2012/10/9 Bob Camp li...@rtty.us
Hi
I'm not sure I'd call it Basic, but Microsoft has VB Express (or what ever
they call it this week) for free if
Based on that PCB, I want to see an sweep to at least 1GHz.
The reason is that experience have shown that the inductance (perhaps 10nH)
in series with C2 and C6 would damage the stop-band rejection at UHF.
Used with an OXCO this would not matter, but the desire to make the
ultimate filter is
elements, they rotate
adjacent inductors to reduce mutual inductance.
10MHz is probably too low in frequency for practical stripline. You could
probably do active filters these days, but the power budget would not be
trivial.
--
*From: * Thomas S. Knutsen la3
I bougth one, and it seems like they have replaced the firmware with the
one from 58503A. When sending *IDN to it, it responds with HP 58503A.
Thomas.
2012/1/13 Hal Murray hmur...@megapathdsl.net
-
Does anybody know what Z3801A has been upgraded by us, which the feature
is
the
GPIB is not realy slow by todays standars. It's still capable of
transfering more data pr sec than USB 1, there is some notes about it at
NI.
The Prologix box consist of an an microcontroller and an USB chip or such,
but the programming involved in order to get it all working is extencive if
you
I do assume this is because of the 1024 week cycle? if so would it be
possible to tell the GPS what cycle it should be?
Would the 10MHz out still be accurate?
BR. Thomas.
2011/10/20 Mark Sims hol...@hotmail.com:
On July 30, 2017 all our Thunderbolts turn into back-dated pumpkins...
I think it is in Matthys, Crystal oscillator circuits. Can't quote
page number now, as my verson is somwhere I cant remember. It's an
excellent book if you do some experimentation.
I did write an letter to R.J. Matthys a couple of years ago, and
reveiced an answer.
73 de Thomas LA3PNA/AE5YS.
Thanks for all the information, this is an great group.
Does anyone have the shematic on the box?
BR.
Thomas.
2011/6/12 Ed Palmer ed_pal...@sasktel.net:
Is there more than one hardware version of the T'bolt?
Mine has U18 (right behind the RS-232 connector) as an Intersil ICL232IBE.
This is
I bougth an Thunderbolt off E-bay some time ago, to use as reference
for my spectrum analyzer and signal generators.
I had it connected up with a couple of power supplies and it worked as
it should.
Today I put together an voltage inverter to get the -12V to the GPS in
order to use it with an
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