T-Mobile has done a lot to shake up the American wireless industry over the last year but it still faces a sizable gap in network quality compared to Verizon and ATT, America’s twin wireless titans that both have access to the best spectrum money can buy. And now The Center for Public Integrity has put together a lengthy report detailing how Verizon and ATT are ramping up their lobbying operations ahead of another low-frequency spectrum auction that has the potential to give them a killer advantage over T-Mobile and Sprint for years to come. Next year the government plans to auction off spectrum on the 600MHz band that will be potentially even more valuable to wireless carriers than the 700MHz