I just saw the box that has my DX-390 in it today. I like the idea you have. Someone mentioned the HackRF One. I have one of those as well (have had it for y

I just saw the box that has my DX-390 in it today. I like the idea you have. Someone mentioned the HackRF One. I have one of those as well (have had it for years) but never got it to work right. Maybe it was the antenna, maybe something dumb on my part.