EchoStar T1 (was TerreStar-1)

In 2009 SSL launched EchoStar T1 (formerly TerreStar-1), the world’s largest commercial satellite. Built for TerreStar Networks, EchoStar T1 has an 18-meter antenna reflector that enables voice, data, and video communications to be transmitted to mobile devices the size of a typical smartphone using 2GHz spectrum. The spacecraft uses a two-way Ground-Based Beam Forming (GBBF) system making it capable of generating hundreds of spot beams covering the Continental U.S., Canada, Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands. EchoStar T1 is located at a geostationary orbital slot at 111.0 degrees West longitude..