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Hi Betex This is quite simple to understand why as the cable from you feeding point of the antenna incl. the NanoVNA with or without the USB cable is constituting a sort of dipole where the whip under

if calibration is ok, then also possible defect in OPEN load. Try to calibrate with open connector instead of OPEN load.

did you performed CAL => RESET before calibration?

yes, you can use NanoVNA to measure receiver input impedance

(from list co-owner) - As the initiator and one of the two co-owners of this list, I have configured the list to maximize user privacy to the best of my ability and understanding. With about 2800

It depends on how you've set up your profile and how active you are on the forum.? Have a look below and you see your email address.? Any time I get something suspicious, I browse the source of the

Rune, I understand your use of 3.7 save for when it becomes 3.8 or 4 then what? Python is a rapidly evolving language, That reason alone is why I dislike it. Stability is a good thing. It means you

Jim N7JA, I do not update willy nilly for fun and giggles. Next jump will be current soon as the 140GB backup is complete and I know I can recover if something breaks. Plus putting together a script

I can't see any members email addresses listed anywhere if you use the web interface, so don't think the archives being visible to anyone is a problem. Also, apologies to Michael VE3WMB, when I was

eddy_555 just released this 8 hours ago... ver 0.5.2 Now shows multiple marker information adds marker delta mode here :- https://github.com/ttrftech/NanoVNA/releases/tag/0.5.2

I noticed that the group message archives are visible to non-subscribers, I am not sure if this is intentional. If you look at group settings on the homepage it says : Archives are visible to anyone.

For me too the USB cable had problems. I put two ferrites and solved.

I had someone join our group on groups.io who I didn’t recognize … so blocked them… I wonder if this is part of a pattern to raid e mails… Dana VE3DS

Hey ya'll? I'm a total idiot but this is my first try at this. Kenwood ham radio 1200watt amplifier 80 meter input matching network was designed wrong, high radio SWR. Here is the deal.? Want to

Be sure to do a reset, before doing the cal.

Is correction (based on the calibration) enabled in the menu? -- NanoVNA Wiki: /g/nanovna-users/wiki/home NanoVNA Files: /g/nanovna-users/files Erik, PD0EK

Hello user group, I just realized having a problem with calibration OPEN Going through the device calibration process and everything goes well and I save data at Cal-x However when I check S0 on

PHISHING EMAIL ALERT Some entity appears to have scraped the email addresses of NanoVNA forum members and are sending emails supposedly with a link to Dropbox. If you click the link, it asks you to

From: Richard Perlman Several comments about buying the larger screen. However, all I can find are the 2.8" screen versions. Where/How can I find the larger version -- or, is the 2.8" screen the

The issue is not the VNA, but rather? your lack of undertsanding as to how antennas perform/function.The way you have it set up, the outside of the coax shield and your VNA are part of the antenna