Indeed. For a guy who spends quite a few words trashing others, it’s pretty damning to be shown to have no idea what he’s talking about.
(There are a couple of comments now - including the author’s response - but it was pretty clear which one you meant. )
Yes. Anyone who has listened to a FM radio station in a car traveling down the highway would understand that FM stations (while clear and abundant) quickly fade away as you drive out of range.