出典:Wikipedia
出典:『Wikipedia』 (2010/05/13 11:36 UTC 版)
Galaxy 4R is a Panamsat-owned communications satellite previously at an orbital location of 99° W, a slot once occupied by the Galaxy IV, which suffered a failure in 1998. G4R was launched on April 18, 2000, with an Ariane launch vehicle, and covered North America with twenty-four transponders each on the C- and Ku bands. The satellite is currently at 76.8°W, inclined.