Galaxy 18 is a

Space Systems/Loral SSL, formerly Space Systems/Loral, LLC (SS/L), of Palo Alto, California, is a wholly owned manufacturing subsidiary of Maxar Technologies. SSL designs and builds satellites and space systems for a wide variety of government and commercial cust ...

(SS/L) 1300-series hybrid

communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. C ...

owned by

Intelsat Intelsat S.A. (formerly INTEL-SAT, INTELSAT, Intelsat) is a multinational satellite services provider with corporate headquarters in Luxembourg and administrative headquarters in Tysons Corner, Virginia, United States. Originally formed as In ...

and located in

geosynchronous orbit A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day). The synchronization of rotation and orbital ...

at 123° W

longitude Longitude (, ) is a geographic coordinate that specifies the east–west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter l ...

, serving the continental United States,

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

, Mexico, and Canada with 24 C band, and 24 K_u band

transponders In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''. In air navigation or radio frequency identification, a flight trans ...

. Galaxy 18 replaced

Galaxy 10R Galaxy 10R was an American communications satellite which was operated by PanAmSat, and later Intelsat. It was constructed by Hughes and is based on the HS-601HP satellite bus. Launch occurred on 25 January 2000, at 01:04. The launch was contracte ...

near the end of its design life. Galaxy 18 was launched on May 21, 2008. The launch took place successfully at 09:43

GMT Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London, counted from midnight. At different times in the past, it has been calculated in different ways, including being calculated from noon; as a cons ...

Free-to-air television

Galaxy 18 is the home of a number of minor television networks, and in the past hosted the stations of

Equity Media Holdings Equity Media Holdings Corporation was a broadcasting company based in Little Rock, Arkansas that owned and operated television stations across the United States. Prior to March 30, 2007, the company was known as Equity Broadcasting, a name later ...

before its 2009 bankruptcy, where it used the satellite to beam several major network affiliates to their appropriate local transmitters, along with the local cable providers carrying them as Equity hubbed their

master control Master control is the technical hub of a broadcast operation common among most over-the-air television stations and television networks. It is distinct from a production control room (PCR) in television studios where the activities such as switc ...

from a hub in

Little Rock, Arkansas (The Little Rock, The "Little Rock") , government_type = council-manager government, Council-manager , leader_title = List of mayors of Little Rock, Arkansas, Mayor , leader_name = Frank Scott Jr. , leader_ ...

References

External links

* * {{Orbital launches in 2008 Communications satellites in geostationary orbit Satellite television Spacecraft launched in 2008 Spacecraft launched by Zenit and Energia rockets Satellites using the SSL 1300 bus