Re: Cases
I would be interested as well. Paul G0VKT
By
Paul Sayer
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#8363
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Thermal effect?
Recently, I measured a 30 m loading coil for a short vertical antenna with my NanoVNA. I powered the VNA, calibrated for a span from 9 MHz zu 11 MHz with Nano VNA Saver 0.2.0 and started measuring
By
Christoph Schw?rzler
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#8362
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Re: Cases
Hi, As soon as we have a case for testing, I will put the information up on the group. Thanks for your reply, it is good to know that there is interest out there for the case. 73, all the best for the
By
Les Brown
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#8361
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Re: Quality of shipped cables with NanoVNA-H
#measurement
#calibration
Hugen was aware of complaints about the quality of the coaxial cables being supplied by clone manufacturers and tried to address some of the issues with the new NanoVNA-H version (see following
By
hwalker
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#8360
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Thanks Herb. That will help a lot with my understanding. *Clyde K. Spencer*
By
Clyde Spencer
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#8359
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Hello Herb, thank you for answering this! :-) You're absolutely right. The impedance steps are only shown in one direction, though: Going up. I've yet to figure out quite *why*, but I am looking into
By
Rune Broberg
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#8358
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Re: Increasing measurement range (ohms) ?
That's wrong assumption. The Injoinic IP53xx chips are working as step-up converters when powered from LiPo, so it's always 5V on mixers.
By
Jacon Zar
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#8357
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Re: Cases
Hi Les I would like a case, let me know when you get some done, Thanks Dave Browne 2E0DMB
By
davebb123456
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#8356
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Re: Cases
Sorry, had to run and the keyboard hit the floor. I have downloaded a basic design, and we can mod it as we like. But as I keep saying, the cost will be min. For all Ham radio Lic. Holders. 73 Les
By
Les Brown
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#8355
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Re: Cases
Hi, All I have downloaded a basic design, this is
By
Les Brown
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#8354
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Re: Cases
Expensive I think. Bob
By
Bob Albert <bob91343@...>
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#8353
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Re: Cases
I found the same case that Terry VK5TM did on eBay, item 174039026524. Looks like an interesting case for the -H. The listing also led to this: https://www.thingiverse.com/thing:3818979 73 -Jim NU0C
By
Jim Shorney
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#8352
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Re: SWR readings off scale
On Tue, Dec 17, 2019 at 04:42 PM, <bing-wang@...> wrote: Anybody know how to set negative value for reference position. For example, -20dB. seems the num. keypad does not have "-" symbol.
By
hwalker
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#8351
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Re: First PCB pictures of the V2
Thanks for the update. Could you use a more robust switch like that on the NanoVNA-F? Looking forward to getting a unit. Mike N2MS
By
Mike N2MS
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#8350
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Re: SWR readings off scale
Hi Bing Wang Reference position is the grid lines from lower Line = 0 to top line 0=8 Kind regards Kurt -----Oprindelig meddelelse----- Fra: [email protected] <[email protected]> P? vegne
By
Kurt Poulsen
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#8349
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Re: NanoVNA Saver software version 0.2.1 TDR operation
On Sat, Dec 7, 2019 at 09:06 PM, Clyde Spencer wrote: In the TDR display there are two traces, One Red and one blue. I understand the red but not the blue. Would some please give me an explanation of
By
hwalker
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#8348
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Re: SWR readings off scale
Anybody know how to set negative value for reference position. For example, -20dB. seems the num. keypad does not have "-" symbol.
By
bing-wang@...
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#8347
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Reminds me of the rising edge of a square wave pulse, That's how i measure TDR using fast edge pulse from Schmitt trigger inverter and oscilloscope. Alan W2AEW has good youtube video on it.
By
GM0OTB
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#8346
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Clyde, I had the same question. Maybe the author of the software or someone else will reply. Roger
By
Roger Need
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#8345
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Re: First PCB pictures of the V2
Any chance you can add the option of rotating the display graphics 180 deg? I can see the cables coming out of the bottom being a nuisance in some instances. And please get rid of that ridiculous
By
Terry VK5TM
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#8344
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