
The Tribune reports the five top billing stations are...
WBBM-AM with revenue of $45.7 million, down $2.3 million from 2011
WTMX-FM with revenue of $34.1 million, down $1.9 million from 2011
WGN-AM with revenue of $30.2 million, down $5.3 million from 2011
WBBM-FM with revenue of $25.8 million, up $7.8 million from 2011
WUSN-FM with revenue of $23.1 million, up $1.1 million from 2011
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