The Federal Communications Commission’s 3.45 GHz service auction, also known as Auction 110, generated gross proceeds of $22.5 billion with AT&T (NYSE:T) spending $9.1 billion to win the most licenses. Dish Network — bidding as Weminuche LLC — spent $7.3 billion and T-Mobile US (NYSE:TMUS) spent $2.9 billion, according to the FCC’s Jan. 14 announcement. […]