On Mon, Feb 21, 2022 at 06:27 AM, Ron Spencer wrote:
Zahi
Not sure why no one gave you the direct, easy answer. Chose the log mag
display on your vna. That is return loss.
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.
Roger
Roger Need