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Great work Dave. Thanks for your continuing contribution to our great hobby. Do you have in your stash a piece on conversion of dB attenuation to Zs= Rs + Xs ? 73, Ed McCann AG6CX

Larry, what folder should I look in? I see a couple files from you but am missing a modified EXE file....

On encouragement from a few posters, I have updated my construction and measurements of quite a number of CMCs. My hope and goal in all this is to encourage others to construct something simple which

You saved the device few to the same name as the new fw... you've overwritten it.? Read the wiki about defuse and grab my modified exe.in the files section with better naming of commands.? Also,

I did do the verify, it says its loaded.....but whn I go to config, to the splash screen, it says 0.5.0.....is that display a hardware or firmware version?

I think you use Upload Action button (this mean read firmware from device and store to selected file), check file size - should be 128k Need use Upgrade oe Verify Action buttons, select choose... and

I have a NanoVNA-H4, edy555 design, it says I have version 0.5.0 Feb 21-2020. I downloaded v1.0.39.rar, extracted it using 7 zip, am running the DfuSE demo softwate, I place the unit in DFU mode by

This is pretty late in the game, but it also depends on your receiver. Ham radio equipment is (usually) designed for 50 ohms, but SWL type radios typically had higher impedance antenna inputs. Are you

Hi,? Dan, My experience with the 240-31 core with 14 T RG 303 gives me ~7K at 160, >13K on 80/40, slowly rolling off to >4 K at 28 MHz Still >5 K on 12 . Mel, K6KBE

Hi, I run Linux and I have for decades now. I right click on the rar files and in the popup menu is "extract" and "extract here". Not to start an OS battle but other operating systems may have made it

Don Still curious about the 5k across 10 to 160? Been reading the mail and has been fun but it isn’t obvious to me you get 5k across the whole band? When you get time it might be fun to discuss your

In answering the 'accuracy' question, error bars must be considered. Evidently error analysis and calculus of variations is no longer taught in the schools. They both were part of the advanced physics

Ken, you may find /g/nanovna-users/files/Nano%20VNA%20Saver/nanoVNA-H4%20software%20support%20under%20Ubuntu.pdf to be useful. It explains how to set up a Python virtual environment

RAR is an alternative to ZIP. There are several free tools that will handle them. "7-zip" seemed the least atrocious to me. I try to avoid the fads for compression tools in favor of 1) STANDARDS, and

Pretty good for a man born in BC. And watches came on the seen in 16fh century Clayton Heilman "The world is run by those who show up." Richard George Weingardt

In the mid-January, my old 80m dipole broke due to icing and heavy snow. It had a direct connection with a coax for too many years .... and I decided to be with a Choke when the Weater improve.I

RAR is similar to a zip file- it's an archive with 1 or more files in it.? You need to extract it's contents.? Use 7zip or another archiving app On Sun., 7 Feb. 2021 at 9:14 a.m., Jamie

Total comander

Are there instructions somewhere on how to load the .rar files? I found them for the DFU files, but the firmware appears to be in the RAR format.....

Believe he is referring to a 0603 size chip cap that has 50 ohms reactance at 10 MHz . -Ray WB6TPU