Sprint CEO Dan Hesse has laid out a schedule for the company’s much-awaited WiMAX deployment, which will now be launched in Baltimore in September. Washington DC, and Chicago will also get coverage before the end of the year. While Hesse was addressing NXTcomm, his CTO, Barry West, was extolling the utility of their WiMAX network at the WiMAX Forum in Amsterdam, as reported by telecoms.com. He admitted that the original schedule has slipped. Despite having 575 operational cell sites, the back office system has proved more complex than anticipated.