Not me. Being a novice in this area (reception and DX) I found the radio locator information and maps to be quite accurate and free. I was somewhat skeptical of their maps in the midwest (specifically kansas, Neb, and Iowa). Thought they showed too much of a signal coverage area (on thier maps) but after a trip out that way earlier this summer the maps were quite accurate. I was surprised how far daytime AM signals go out there (I can hear for miles and miles).