Re: QEX Magazine
#tutorials
I was just going by the guy who said it was, specifically when he said it was a way to get QST issues. Dave?? AB7E
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Dave AB7E
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#8564
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Re: QEX Magazine
#tutorials
Did you actually look at TinyCat/LibraryThing that W0RW uses? It is not a download or copying service. https://www.librarything.com/ https://www.librarycat.org/ 73 -Jim NU0C "stone_ridge_road"
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Jim Shorney
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#8563
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Re: QEX Magazine
#tutorials
Not all.? I just think it's funny how easily people will rationalize their behavior, and I'm referring to the guy who started this thread as well as the guy who thinks W0RW isn't engaging in
By
Dave AB7E
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#8562
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Re: Calibration Algorithm
#calibration
Hello again Erik; It seems we are in complete agreement at my current level of understanding. This all being new to me, I've not yet attempted to dig into the details of how the calibration
By
Gary O'Neil
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#8561
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Re: Calibration Accuracy
@Bob Albert I understand that... It was more about accuracy over a smaller calibration range. Thanks...
By
Dave H <xwebsubs@...>
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#8560
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Re: Calibration Accuracy
@Larry Rothman I thought I had read about the "measurement points" That was what led me to asking the question.... Thanks :)
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Dave H <xwebsubs@...>
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#8559
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Re: Calibration Accuracy
Still, the calibration is based on the value of the load used for calibrating.? If it's 51 Ohms you will have SWR of 1.02 with a 50 Ohm load. However, this is usually a trivial error. Bob
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Bob Albert <bob91343@...>
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#8558
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Re: QEX Magazine
#tutorials
Wow, Dave! You got in the bus very late, didn¡¯t you? NONE of us are interested in this new QEX article for VNA theory! It¡¯s about the empirical comparison of the NanoVNA versus other higher grade
By
K4FMH
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#8557
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Re: Calibration Accuracy
Yes, for that narrow range, you will have a set of cal values.The Nanovna natively scans 101 points and if you narrow the freq range, it will still scann 101 points in the narrow range so the
By
Larry Rothman
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#8556
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Re: Choke Series resonant frequency measurement
Yes, you need to place the choke in its position ON THE INTENDED AMPLIFIER chassis. In this manner the exact distributive affects of shunt C are properly noted. And with all do respects to the VNA, I
By
alan victor
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#8555
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Calibration Accuracy
Hello, I'm new to VNA's and have just received my nanoVNA All the YouTubes show calibrating from 50Khz to 900MHz If you set the range to say 45MHz to 55Mhz, and then calibrate. will it provide more
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Dave H <xwebsubs@...>
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#8554
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Re: QEX Magazine
#tutorials
Actually a rather informative (and occasionally entertaining) thread. No complaints here. Good to know QEX may (will?) soon be electronically accessible to ARRL members, one of the more compelling
By
Jerry Gaffke
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#8553
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Re: Marker Menu ??
I figured out how the Marker Span button works.? You need to have TWO or more markers (M1-M4) enabled for the Span button to work.? Essentially, when you press the Marker Span button, the last two
By
Larry Rothman
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#8552
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Re: QEX Magazine
#tutorials
Here's a thought.? If you and others are so convinced that you have the moral high ground here, why don't you ask the author of the article for a summary via email (or a pdf scan like the other guy
By
Dave AB7E
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#8551
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Re: QEX Magazine
#tutorials
How about giving us the gist of his conclusion about it? Basically a thumbs-up, thumbs-down, or just what he liked and what he didn't like. Don't do any quoting...put it in your own words. Just a
By
Stan <K8LL.ham@...>
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#8550
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Making Homebrew SMA SOL Calibration Kit
#calibration
This link was posted on the NanoVNA Facebook group. Very interesting tests of homebrew Male and Female SOL calibrators. He compared 1, 2 and 3 resistor loads.
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Roger Need
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#8549
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Re: Screen replacement?
Hi Terry, it's a long time ago.. Because the seach problems of the replaced LCD, i post the link for Ali. You must choose the version with touch. But it is in Dutch. Search the exact same LCD in your
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ON1BES
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#8548
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Re: QEX Magazine
#tutorials
Can't we cease belly aching about *one article*? Agilent/Keysite has excellent tutorials on the care and feeding of a vector network analyzer. Just because it isn't the NANOVNA, the same theory
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W0LEV
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#8547
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Re: QEX Magazine
#tutorials
Andy, Agreed! Even copying and pasting the Abstract with this info is fair use as publishers frequently made titles and abstracts publicly available. Personally, I¡¯ve sent folks PDFs of articles
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K4FMH
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#8546
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Re: First PCB pictures of the V2
OK, I am a buyer. just tell me where to send the money! <martin_ehrenfried@...> a ¨¦crit :
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Pierre Martel <petem001@...>
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#8545
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