This is a Coverage Map for WWMM Radio. The red contour represents our 60-dBu local coverage area. The purple contour represents our 50-dBu extended coverage area, and the blue contour represents our 40-dBu coverage zone which is applicable to car radios.
The WWMM signal serves a highly-populated area. Over 30,000 people reside within our 60-dBu contour alone, and thousands more reside within the 40-dBu zone.