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Re: Replacement of damaged NanoVNA circuit board #hardware
There *is* only one board, so you're probably looking at just buying a nanoVNA, and having a spare battery and LCD display.? You might ask whoever you bought yours from if they'll sell you just the
By Jim Lux · #28168 ·
Re: NanoVNA-Saver 0.1.3 MAC
Doesn't look like it. Will work on that thanks!
By Lynn Mears · #28167 ·
Re: NanoVNA-Saver 0.1.3 MAC
Do you have sip installed in Python?
By Tim Dawson · #28166 ·
Re: NanoVNA-Saver 0.1.3 MAC
How exactly do I change the PyQT restriction? I'm computer literate, but not familiar with Python at all. The original install instructions I found didn't have that step, so I'm wondering if that
By Lynn Mears · #28165 ·
Re: NanoVNA and VNAsaver
so then, try calibrating from the saver program... and if it crashes, try first to calibrate from the device itself? :)
By bruce blosser <bruce2@...> · #28164 ·
#crash NanoVNASaver crashes on startup #crash
Hello, I was using NanoVNASaver yesterday afternoon, successfully without any problems. I went to have dinner, using my laptop to document my work in PowerPoint. I came back home in the evening, fired
By Curt K7ZOO · #28163 ·
NanoVNASaver 0.4.0 crashes on start
Hi All, This afternoon I was succesfully using my NanoVNA H4 with NanoVNA Saver -- no problems. After working over dinner in PowerPoint on some documentation I came back home, tried to fire up NanaVNA
By Curt K7ZOO · #28162 ·
Replacement of damaged NanoVNA circuit board #hardware
I accidently transmitted 12w into my connected nanovna and caused some damage to the software or components, not sure but it cannot read SWR any longer. It still uploads firmware etc but does not
By mbwilliams@... · #28161 ·
Re: TDR or Cable Length on 75¦¸ cable
I suspected as much. Best to have a known length of the cable to be measured. Then one can get the actual VF. Thanks, Stan. Brian D KF6BL
By Brian Donaldson · #28160 ·
Re: NanoVNA-H4 Black Screen
Roger: Bingo! I used the wrong .dfu. Downloaded -H4 and I am back in business. I owe you big time. Thanks for all your help. Fred WD9HNU
By Fred Piering WD9HNU · #28159 ·
Re: NanoVNA-H4 Black Screen
On Mon, May 23, 2022 at 07:25 AM, Fred Piering wrote: Fred, Are you sure you are using the correct DFU file for the -H4? If you use the -H you will get a black screen. You need to use the "Upgrade"
By Roger Need · #28158 ·
Re: NanoVNA-H4 Black Screen
Hello Igor: Thank you for the comprehensive video. I performed the task as you showed, with the latest dfu file. It appeared to function as your video showed. However, I am still left with a black
By Fred Piering WD9HNU · #28157 ·
Re: SV4401A ?
IMO, this would be stupidly cheap if it wasn't for the fact that the other nanoVNAs are so ridiculously cheap. Check the price of any way less capable graphical antenna analyzer for comparison. Even
By Lou W7HV · #28156 ·
Re: SV4401A ?
Roger, Many thanks for your comments, links, and photos. I completely agree about the calibration kit, although I'm more likely to be using it with SMA devices most of the time. The dynamic range
By David J Taylor · #28155 ·
Re: SV4401A ?
Chris, Thanks for your comments. I agree about the price, although these days prices are always higher than expected! It was the large screen which attracted me, and I don't know of any other 7-inch
By David J Taylor · #28154 ·
Re: SV4401A ?
Attached are some photos showing what you get in the box and what it looks like inside. What I find disappointing is that it does not come with an N connector calibration kit. Inside it uses a SMA to
By Roger Need · #28153 ·
Re: SV4401A ?
This is the latest product from SYSJOINT (one of the developers of the NanoVNA-F). There is a Chinese version and an English version and they are not compatible according to the manufacturer. The Web
By Roger Need · #28152 ·
Re: WILTRON 6407 RF ANALYZER
WOW, you searched the internet... WOW, what a novel idea, would be cool if others were to think of that... AND put their name on their post... John
By John · #28151 ·
Re: WILTRON 6407 RF ANALYZER
A quick search on the internet yielded that it is a 75ohm-based VNA with a generator, like the NanoVNA. I also found a number of sites that had the manuals. 73 Evan AC9TU
By Evan Hand · #28150 ·
WILTRON 6407 RF ANALYZER
can anyone tell me what the WILTRON 6407 RF ANALYZER does,is it the same as a vna,or more,cheers.
By Paul M3VUV · #28149 ·