How Dish Network's Charlie Ergen built a spectrum powerhouse--and what's next

Phil Goldstein, FierceWirelessDish Network (NASDAQ: DISH) is spending around $10 billion to acquire a wide range of spectrum licenses in the FCC's now-completed AWS-3 spectrum auction. That's on  top of a boatload of spectrum the company already owns. Just how did Charlie Ergen's company become such a spectrum powerhouse, and what exactly does Ergen plan to do with it? For a thorough analysis, check out FierceWireless Editor Phil Goldstein's take here.