Towerstream (Nasdaq: TWER), a leading fixed WiMAX service provider, announced it will be powering one of New York City's landmark skyscrapers with building-wide access to its high-speed, wireless broadband solution. The 50-story building, which extends a full city block, will also serve as Towerstream's sixth point-of-presence (PoP) in its New York City wireless broadband network, extending broadband coverage to much of Manhattan's north side.