Re: #firmware NanoVNA SAA-2N firmware not loading
#firmware
Hi Tim, brevity did the trick, I was able to get back to life using the left jog and on-off switch. The SAA-2N showed up on the -QT software (on my MacBookPro) and got the prompt to load software.
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Robert Coleman
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#28400
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Thanks...
#rant
I guess I need to express my gratitude for allowing me to ACCESS the forum, again. I am still looking for any text form of "menu" symbols AKA "menu dictionary". ( No, I do not desire to be "part of
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Anne Ranch <anneranch2442@...>
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#28399
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Re: amazon.co.uk NanoVNA with 303 chip
#buying
#nanovna-h4
Still OK Neil Colin MM5AGM
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Colin Campbell
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#28398
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Re: "SAVE" stores what ?
#manuals
Wow, touchy, ta, ta. Mike C. PS I didn't know engines had ears!!
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Mike C.
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#28397
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Re: #firmware NanoVNA SAA-2N firmware not loading
#firmware
DFU mode does nothing with the screen . . . Perform the steps to enter it (DFU mode) on your unit, and see if it shows up on USB. -- Sent from my Android device with K-9 Mail. Please excuse my
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Tim Dawson
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#28396
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Re: #firmware NanoVNA SAA-2N firmware not loading
#firmware
Hi Tim, I would like to get to any mode, but the device does not respond to any input, button or tap. The screen is white and nothing gets a reaction. bob.c
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Robert Coleman
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#28395
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Re: amazon.co.uk NanoVNA with 303 chip
#buying
#nanovna-h4
Yes it is listed under Platform after you enter Config-Version. What I don't know if that is the actual chip on the board or what the developer of the firmware just entered as default text for that
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Roger Need
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#28394
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Re: amazon.co.uk NanoVNA with 303 chip
#buying
#nanovna-h4
Just out of curiosity, is the processor type listed on a display rather than opening up the unit and looking at the chip? [email protected]> wrote:
By
Fred Moore
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#28393
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Re: amazon.co.uk NanoVNA with 303 chip
#buying
#nanovna-h4
According to Hugen (manufacturer of -H4) the latest firmware can run on a STM32F302CCT6. /g/nanovna-users/message/24748 Comparison chart >>
By
Roger Need
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#28392
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measuring T equivalent circuit of an antenna
Hello all of you, I was wondering if someone measured the T equivalent circuit of an antenna? So the antenna is seen as having three ports: two going to the two points of say a dipole and the third
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Victor Reijs
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#28391
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Re: How to make nanoVNA "bulletproof" ?
Sigi, My cupboard yielded exactly 1 suitable box but, in the event, having a bigger format gets away from the "little and fiddly" form of the nano, as well as accommodating the nice R&S flex patch
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Peter Hall, VK6HP/VK6MJM
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#28390
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Re: How to make nanoVNA "bulletproof" ?
A photo please. Doug -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
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Doug <jdkearney@...>
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#28389
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Re: amazon.co.uk NanoVNA with 303 chip
#buying
#nanovna-h4
Hi Colin, is your NanoVNA still working okay? I ask because the one i have (bought off ebay a while ago i think) has now got lines all over the screen and is barely readable. Thanks Neil M7SVH
By
Neil Higgins - M7SVH
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#28388
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Re: How to make nanoVNA "bulletproof" ?
Nice job.... But i would bot use pl sockets but n sockets cause with v2 plus4 or saa2n i measure also on 13cm... Even at 70cm the n socket is better as pl... Your case is so big it should be easy to
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Siegfried Jackstien
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#28387
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Re: How to make nanoVNA "bulletproof" ?
Add sma to n adaptors...can or better should be with flange (others with big nut may work also) ... Screw flange on a sheet metal angled 90 degrees to form end and base plate... And then use thicker
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Siegfried Jackstien
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#28386
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Re: How to make nanoVNA "bulletproof" ?
Anne, I realize this is a bit different to the approach you're thinking about but maybe it's of some interest. I "re-packaged" my nanoVNA-F to address some of the issues you mention, and to provide
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Peter Hall, VK6HP/VK6MJM
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#28385
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Re: How to make nanoVNA "bulletproof" ?
Excellent idea - combine "rotator plate" ( for stability ) with superglue and Velcro ! I actually was not looking to buy those tiny screws to permanently mount the device onto the plate ... Vaclav
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Anne Ranch <anneranch2442@...>
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#28383
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Re: How to make nanoVNA "bulletproof" ?
I cut a piece of 1/4 inch plexiglass about 9 inches x 6 put Velcro on the nanovna and cables . It keeps the cables from damaging the connectors. De K8HTB
By
K8HTB
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#28382
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Re: How to make nanoVNA "bulletproof" ?
I have been using VNAs at work since the '80s. Professional "box" VNAs have extensive internal power supply and data line decoupling/shielding and are designed as a system with their
By
Donald S Brant Jr
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#28381
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Re: How to make nanoVNA "bulletproof" ?
That would depend on the test setup.? Most people, when measuring an antenna, use chokes and/or baluns at various points. In a anechoic chamber situation, like when doing a near field scan (which
By
Jim Lux
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#28380
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