How did U.S. wireless carriers stack up in Q4?

The flurry of fourth-quarter earnings announcements from Leap Wireless, MetroPCS, T-Mobile USA and U.S. Cellular brought the industry's earnings season to a close. How did all of the major U.S. carriers stack up in the quarter? The following charts the top 10 U.S. wireless carriers in the fourth quarter of 2009 by subscriber base, according to research firm Strategy Analytics, and includes major metrics--such as churn, ARPU and revenue--of each carrier. The subscriber figures include both retail and wholesale customers. Special feature. Also, don't forget to check out our fourth-quarter earnings page.