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Why are you trying to calibrate it using the computer? You can perform the calibration using the builtin calibration functions that use the three provided plugs (open, short & 50 ohm) 73 David

yes i have to flash dislord but i want to backup my firmware first what is the best program to do that with? Thanks

Francois, Sorry for the delay but I've been too busy to pay much attention to this group. What I quoted was the IARU standard, which manufacturers follow to some extent. It would be better if they all

Post your issue on his github or group.

Thank-you and I also applied to be part of the beta group but still waiting. I got my in May, so I wonder if I have the "old" display. I guess my other question is if I have the newer display module

i had both found in the nanovna beta test group dislord uploaded it there (to make it easy for you i add the fw file for the plus4) and the nano vna app?? you find here

Siegfried Jackstien - do you have a link to the firmware and that software?? The only version of software i see is 2.09 Thanks

i use fw 1.3.07 (23rd of august) on the plus4 and i use nanovna app 210 works fine here dg9bfc sigi

This topic was discussed a few months ago and there is some good info there /g/nanovna-users/topic/88059902#26349 Roger

what fw is on the plus4?? (i use 1.3.7 from dislord) next is .. i see you are using version 209 of the nano vna app but there is a newer one so .. with new software and new fw here the plus4 just

Damn it, I was afraid you were going to say that. I don't like the other software :( How can I tell if I have the newer hardware? And if I do, what happens when I load your firmware into it? Will the

V2Plus4 on original fw not supported by NanoVNA-App (as i remember, Owo not want fix several things in firmware for support) Need fix several problems in exchange protocol on V2Plus4 side (or fix

Hi I tried to post a topic on the problem i am having but it hasnt been approved yet :( I am having problems (i can't calibrate) with OneOfEleven NanoVNA-App, I am using the nanoVNA V2 plus4 model

Hi I am having problems (i can't calibrate) with OneOfEleven NanoVNA-App, I am using the nanoVNA V2 plus4 model maybe its not compatible with that model. here is what i have done so far: re-installed

Are you measuring at the antenna? You can't measure SWR accurately at the rig unless your antenna is zero reactance at 50Ohms. Mike W9MDB

Hi guys. My original NanoVNA-H genuine (sourced from Eleshop in EU) has been working flawlessly with delivered 1.1.01 synchronised DiSlord firmware. After upgrading to DiSlord version 1.2.0 and

Yes, the antennas are mounted in the same positions, relative to each other, for all measurements. The reference antennas can be dipoles. There's no need for all 3 antennas to have the same

No, Gunk = sqrt(M1*M3/M2) >

M1 = Gunk * Gref1 M2 = Gref1 * Gref2 M3 = Gunk * Gref2 This assumes that Gunk Gref1 and Gref2 are constant during the three measurements. I do not see at all how one can fulfill this condition already

So Gunk = M1 * M3 / M2