At the conclusion of today’s penultimate round, the total bids of the E-block economic area licenses hit the FCC reserve of $904 million. That’s important because now four of the five blocks have hit their reserves, meaning their ultimate winners are free and clear to claim their spectrum once the auction ends. The exception, of course, is the D-block public safety spectrum, which hasn’t garnered a bid since round one. So the fate of the auction depends ultimately on what the FCC decides to do with D block when the last bids come in. more