Did I ever tell the story that, not with FM, but on AM MW, while setting up the Radio Systems: I Am Radio ATU Unit and rod antenna, I put the coax connection to the terminals of a 1979 Realistic stereo receiver? Yep, 15 years ago I did a 'what if???' doing that. The ATU's circuit is indeed very High 'Q' and narrow. However, I did see this. [
radio-locator.com] WZZW 1600AM from Milton, WV. Here, it's not a really strong signal on portables, but on the Eton E-10 portable, it may give a 3 outta' 5 bars in signal strength. With the AM1620's ATU, to the Realistic receiver, it pegged the meter on it. So, even just -20kHz down from the 1620kHz resonance, it still did that. Nothing really anywhere else on the AM Band, and that was kind of expected. So, makes me wonder if anyone has put a decent AM receiver to a commercial AM broadcasting tower? I have heard of HAM's using one for the 160M Amateur Radio Band, and getting great results there. Would be neat to try, but as with a commercial FM installation, it would have to be a location out in the middle of nowhere.