WOR's transmitter is much weaker than WABC's. (WABC's transmitter range is legendary.)
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There are four stations on 98.7 in New York: WEPN, WGMN, WLZW, and WPAC. None are WOR! Indeed, none are even talk radio!
In New York City, Rush is on WOR 710 AM:
Compare WABC 770 AM: