(Rig IC 7410, antenna 70' Inverted L up to 25')
...and obviously working well for you.

Now, when you start to get intercom announcements from the lingerie department of a store in Johannesburg...
Haha, Wes, nice.
Actually, from the links supplied above, I think the transmitter I'm hearing isn't terribly far, a few miles maybe. And my car radio? It receives the signal at my QTH about as good as my HF rig. So, between that and the daytime AM DX that I can hear in my car, I'd say my car radio is pretty sensitive!