[SMGFan]

http://www.radio-locator.com/cgi-bin/pat?call=WOR&service=AM&status=L&hours=D

http://www.radio-locator.com/cgi-bin/pat?call=WOR&service=AM&status=L&hours=N

http://www.radio-locator.com/info/Wabc-AM

[Leo Carpathian]

Thanks for links.
WABC has single tower, omnidirectional pattern.
WOR has three towers producing directional patterns.
That would explain the difference in signals, both run 50 kW.
Same power, different coverage.
I am surprised Rush is refusing XM/Sirus.