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Dear Roger, The situation is: None on com ports menu and no any list. The next menu: "Disconnected" Looks like no com ports or Windows 10 can't see the program. Best regards, Stefan Dimitrov

Francois Losing 10 dB is HUGE for a closed 40m “loop” compared to a 40m dipole (doublet). That makes no sense. Something is wrong - bad coax, mismatch, …. ? Neither of my 40m antennas is showing

This 40 m closed loop (140 ft) has only been in operation for about two weeks. So far, it does as well as my simple 1/2 wave dipole (at same height). I found each of these four graphs complimented the

Back to this original statement of the problem: For SWR measurement, the 1.1.01 software build should work fine, so you may not need to upgrade. There are lots of new features in the newer versions,

David, I had a similar problem. DFUseDemo was loaded with the Bootloader driver which I use with STM32 CubeProgrammer for my Malahite DSP2 receiver. It uses the bootloader mode to update firmware.

StmDfuUsb app for Android... Istvaan

This is a Windows app what made DisLord... - start the exe file after download, search "upload VNA firmware" button then choose the "NanoVNA H4 v.1.2.24" button for your H4 device... Yes, possible

- sorry on the picture just the dfu file - but You can also download the app in the same way.

You can see the picture attached

Thank you for the link, but when I tried I received this message: 404 - page not found The main branch of NanoVNA-App does not contain the path Win32/Release*

if You see STM32 BOOTLOADER, - then You can use the app for fw upgrade. - You do not need anything else, firmware included:

Istvaan, I went to the URL and received this message: (Sorry about that, but we can’t show files that are this big right now.). Can you tell me about the app? Will I use it from my cell phone? Will

I did not know there was an app. I went to the URL and it says that a file this large cannot be viewed at this time.

Thanks, Roger. I've seen plenty of NanoVNA App plots here, but none with phase unwrapped. Brian

https://github.com/DiSlord/NanoVNA-App/blob/main/Win32/Release/NanoVNA-App.exe for the NanoVNA-H4 the app already included the latest firmware... here is only the fw:

STM32 BOOTLOADER is good if you using the app - here is the latest version from DisLord: https://github.com/DiSlord/NanoVNA-App/blob/main/Win32/Release/NanoVNA-App.exe The simplest and most

NanoVNA App has graph selections for S11 and S21 phase unwrap. This program only works on Windows and I prefer it to NanoVNA Saver for several reasons (easy graph selection, better scaling options,

for uploading use nano vna APP *https://github.com/DiSlord/NanoVNA-App/tree/main/Win32/Release* dg9bfc sigi Am 13.08.2023 um 19:56 schrieb David McGuire:

on my v2plus4 and my saa2n (a v2 clone with 4 inch and n sockets) the upload of a new fw is with pressing the left (connectors down) or the right (connectors up) button to switch the unit into bl mode

Hi John. My Device Manager says that it is STM32 BOOTLOADER. I cannot seem to get a driver for the software. I went into the location your suggested. Would you have another idea? Thank you. David