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It is!!! Em 22/02/2022 19:26, Francesco escreveu:

/dev/ttyACM0 is the serial device dmesg | tail if you want to avoid printing the whole output.

This is CHINO I'm computer illiterate reale@reale-XPS-M1330:~$? dmesg [??? 0.000000] microcode: microcode updated early to revision 0x60f, date = 2010-09-29 [??? 0.000000] Linux version

The bus 005 is the NanoVNA "I belive? The Bus 005 Device 023: ID 04b4:0008 Cypress Semiconductor Corp. CDC-ACM Demo Bus 0 reale@reale-XPS-M1330:~$? lsusb Bus 002 Device 003: ID 05a9:2640 OmniVision

Try to access the device using the serial terminal. Plug the device, find the serial port (type dmesg in the terminal, you will see a message at the end of the output) and use that in a serial

Alan, I wish to test a handful of collins 455 filters here. They are 2.1 wide. I see in your picture you are using some capacitors but cannot see the hookup. Could you please help me with the hookup

Hi Kevin, The real clue was in the Smith Chart plot you posted. I am really surprised that the Smith Chart gurus out there did not pick up on this straight away. My expertise with Smith Charts is very

I think it was because the OP said >> "How can I get it? I'm using c# and rs232 communication."<< Most of us read that as he wanted to do serial communication between the NanoVNA and the computer.

Bob, thanks so much for your very helpful response. I apologize to everyone in the group that's participated in this discussion that I haven't responded much or quickly. I didn't realize that what I

Maybe after 78 years. I think it’s happening to me. Ed McCann AG6CX

Zahi Not sure why no one gave you the direct, easy answer. Chose the log mag display on your vna. That is return loss. Ron N4XD

Tnx Larry... Em qui., 17 de fev. de 2022 14:28, Larry Rothman <nlroth@...> escreveu:

I just threw out some 300 Ohm twin lead that was in a box of wire because it had deteriorated so much that the insulation cracked and pieces of it came off. That’s what happens to it after probably

I have found 300 ohm twin lead at garage sales or hamfests, etc. after I used the remaining length I had. In 2006 I made about a dozen J antennas for the Empire State Games (NY state). They were used

Maybe I'll just build some balanced line, or try some 100-120 ohm twisted pair.

Wireman has 300 ohm twin lead. I bought some about a year ago. https://thewireman.com/product/561-20-ga-str-copper-ladder-line-300-ohm/ > >

I needed some for a project about a year ago, and wound up buying a roll of "vintage" Radio Shack twin lead on Ebay. Wasn't expecting that.

Good luck finding 300 ohm twin lead in this day and age. When I go to Lowe's and Home Depot or other stores that sold TV hardware, I don't see it any longer. There's plenty of RG-6 and OTA TV antenna

Thanks, Roger. Larry - The SAA2 binary protocol is described in this document.... http://uglyduck.vajn.icu/PDF/vna/NanoVNA_GUI_UG1101.pdf Roger

Thanks Dave! Joe WB9SBD /W9ET