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.[2]

Specifications

See also

References

  1. ^ a b c d e f g N2yo. "ECHOSTAR 4". Retrieved November 28, 2017.{{cite web}}: CS1 maint: numeric names: authors list (link)
  2. ^ "EchoStar 4". SatBeams. Retrieved September 28, 2017.


Allikas: https://en.wikipedia.org/wiki/EchoStar_IV
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