OpenSignalMaps - Cell Phone Tower and Signal Heat Maps

About

With your help, OpenSignalMaps are creating a comprehensive database of cell phone towers, cell phone signal strength readings, and access points around the world. This data is collected via their Android application and uploaded to OpenSignalMaps servers, taking care to use as little processing power and battery as possible.

You can use this website to browse the data OpenSignalMaps have collected, including heat maps that show exactly how strong signal is in any particular area, as well as all the nearby towers for your carrier.

Go to the site to explorer.