WNAV-AM Radio Station Coverage Map (original) (raw)

Nighttime*Coverage Area for WNAV 1430 AM, Annapolis, MD

*Please note that this map only shows the predicted "groundwave" coverage of this radio station. At night, changes in the Earth's ionosphere can greatly extend the coverage of AM radio stations. This is known as skywave propogationwhich is not shown on this map. So at night, you may be able to hear this station from a distance much farther than indicated above.

How are these maps drawn? What do they mean?
For the answer to these and other questions, please see ourCoverage Maps FAQ