Thread: almost located directly between chicago, milwaukee and rockford...which antenna?
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Old 18-Sep-2015, 12:58 AM   #6
ADTech
Antennas Direct Tech Supp
 
Join Date: Jan 2010
Posts: 2,942
WBBM has a calculated noise margin of 34 dB. If that is accurate (it's really only an estimate), you could theoretically use an antenna with more than -20 dB of gain and still receive it.

The numbers say it will work.
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