On Fri, Sep 3, 2021 at 02:57 AM, Ray wrote:
...> I bought my nanoVNA V2, and also a spectrum analyzer, on Ali Express, well before I even knew about this user group...and said to myself: hey, this looks neat...
IMO, it seems you left out one crucial step after seeing it and before buying it, googling it. It's not only an amazing device, it's an amazing phenomenon. It's the Wild West. It's a jungle out there. Caveat emptor. etc.
Lou W7HV