Re: Still Looks For A good Unit
Yes¡ that¡¯s the one to buy¡ I got the kit with the attenuators. Sometimes they are necessary when the results are too large to fit on the screen. Jeff ve3ak =================== Jeff - VE3AK
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Jeff Davis <ve3coj@...>
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#7295
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Still Looks For A good Unit
I would really like to get one of these units to review on my YouTube channel but their are many to choose from and so many dealers. Here is one I found today. Can any one tell me if this is a good
By
hamrad45
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#7294
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Re: data outside expected valid range
Thank you very much, That got rid of my port ERROR - Tried to open /dev/ttyACM0 and failed I still have gibberish being swept up more work to do, Nels -- n_n
By
Nels Nelsen
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#7293
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Re: Batteries
Larry, thanks for the translated sheet for the FM9688. This sheet refers to there being 4 programmable charging currents. The two lowest might be appropriate for the NanoVNA with original battery. BUT
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Brian Ray <brianray1942@...>
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#7292
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Re: data outside expected valid range
sudo usermod -a -G dialout $USER replacing $USER with your user name
By
k9wkj
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#7291
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Re: Port Extension
I guess Rune is working on it but no details. Sam
By
Sam Reaves
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#7290
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Re: File updated in [email protected]
Hi Joe, The keyboard magic corner is shown in the document and is #16 on the list in that section. I will have a look in the firmware section regarding the jumper.? Although the document is listed as
By
Larry Rothman
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#7289
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Re: Running NanoVNA on MacBook Pro
Thanks Larry.
By
Wayne Johnson
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#7288
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Re: data outside expected valid range
Hi Nels, Try to replace the calibration wire and / or calibration tools with another one that may be causing the problem. Follow the calibration sequence, always starting with a Reset first. It's too
By
Gyula Molnar
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#7287
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Re: Is the NooElec nanoVNA any good?
I suppose that in theory tagging NanoVNA-H with a trademark ? superscript might help but I don't know if that would help on eBay.
By
Joe St. Clair AF5MH
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#7286
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data outside expected valid range
I have loaded Mate Ubuntu 19.10 on my laptop. The biggest problem is where the OS saves the Python files and it's permissions. I have gotten the nanoVNA-saver to compile and run and I think it is
By
Nels Nelsen
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#7285
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USBDeview - Uninstall USB Drivers and inactive COM Ports
About USBDeview The following tool is called "USBDeview" developed by Nir Sofer (2006- 2013) - all right reserved), a tool that will allow you to see active and inactive USB devices (ghost USB
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Gyula Molnar
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#7284
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Re: File updated in [email protected]
A very nice update. This now covers most of the areas that were the most puzzling to me. One thing I notice is that it assumes a newer firmware level that has the DFU command, etc. I didn't notice
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Joe St. Clair AF5MH
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#7283
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Re: Some required setting for NanoVNA-saver using female calibrations
Rune, For what it's worth, HP put "port extension" in the calibrate menus, but put "electrical delay" in the display scaling menu. I don't remember the details, but I think "port extension" actually
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John Gord
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#7282
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Re: Some required setting for NanoVNA-saver using female calibrations
Port extension very useful. Many cheap sma bnc adapter lossy. Port extension with loss compensation extreme useful.
By
pgc1682@...
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#7281
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Re: Batteries
WOW!?? Go to your local mobile phone shop/kiosk and just buy a thin/low-profile replacement battery and use that - like I did with my first Gecko Nanovna. I used a small nut as a spacer under each
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Larry Rothman
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#7280
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Re: Batteries
Only if you fear fire and explosions. Glenn -- ----------------------------------------------------------------------- Glenn Little ARRL Technical Specialist QCWA LM 28417 Amateur Callsign: WB4UIV
By
Glenn Little
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#7279
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Re: Batteries
There are some high specification batteries for sale on eBay, at quite a reasonable cost.
By
Dr. David Kirkby, Kirkby Microwave Ltd
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#7278
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Re: Batteries
The battery was already swollen when I got the nanoVNA. It is now even more swollen. Only used computer USB2.0 ports to charge, not even USB3.0. Never a separate charger Will contact hugen as I bought
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Erik Kaashoek
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#7277
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Re: Batteries
For the forum members that are unsure of the safety when charging their Nanos, try to obtain a low-current PolyFuse and place it in series with the positive lead on the battery. You can find info on
By
Larry Rothman
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#7276
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