Can anyone comment on real-world improvement at a site, e.g. where you previously didn’t have the smart antenna installed then you upgraded and installed the smart antenna?

Well, on AC radios the smart antenna hasn’t worked at all for most of the firmware versions. So it’s been just like not having the antenna , then you have the antenna, then you don’t. On top of that , even when it’s “technically working” I can’t say that I noticed any difference at all but there i…