On Feb 14, 6:00*am, Ron Hardin wrote:
Chicago WBBM 780 once again has their IBOC on
at 6am EST, taking out WABC 770 in NYC, listening
in Ohio.

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On the internet, nobody knows you're a jerk.

At 6:21am here in the Nati' both of them are coming in clear. Do they
only turn it on at certain times?