Population: 597,867
Worst Carrier: T-Mobile
Best Carrier: Sprint
Among the 75 cities with populations over 250,000—according to U.S. Census Bureau estimates for 2011—Sprint generally had the best average signal readings and T-Mobile had the worst; Milwaukee is no exception. For this project, OpenSignalMaps focused only on the four big nationwide carriers: AT&T, Verizon, Sprint and T-Mobile. Their mission is to advise customers, particularly American ones, on the best network for their specific part of the world.
(MORE: The Connected Human: How the World Is About to Get Even Smaller)