EchoStar IV

EchoStar IV is a communications satellite operated by EchoStar. Launched in 1998 it was operated in geostationary orbit at a longitude of 77 degrees west for 12 years.

Satellite
The launch of EchoStar IV made use of a Proton rocket flying from Site 81 at the Baikonur Cosmodrome, Kazakhstan. The launch took place at 23:45 UTC on May 7, 1998, with the spacecraft entering a geosynchronous transfer orbit. EchoStar IV carried 32 Ku band transponders to provide direct voice and video communications to small dishes in North America after parking over 119° W or 148° W longitude.

Specifications

 * Launch mass: 3,478 kg
 * Power: 2 deployable solar arrays, batteries
 * Stabilization: 3-axis
 * Propulsion: LEROS-1C
 * Longitude: 77° west