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The highly elliptical orbit of the Sirius satellite constellation can pose difficulties for the reliable delivery of the signal to stationary antennas in certain parts of the country. To eliminate this potential problem, Sirius launched a new geostationary satellite , FM-5, to improve service to non-mobile customers such as those of SiriusXM ...
Astra 4A (originally Sirius 4) is one of the Astra communications satellites owned and operated by SES at the Astra 5°E orbital slot providing digital television and radio broadcasts, data, and interactive services to Nordic countries, eastern Europe and sub-Saharan Africa in the 11.70 GHz-12.75 GHz range of the K u band and 18.8 GHz-21.75 GHz range of the K a band.
Sirius' Radiosat 5, also to be built by Loral, was slated to have a similar single large antenna. In American and Canadian metropolitan areas, XM and its Canadian licensee "Canadian Satellite Radio" (CSR) and operating as Sirius XM Canada , owned and operated a network of approximately 900 terrestrial repeater stations, meant to compensate for ...
A highly elliptical orbit (HEO) is an elliptic orbit with high eccentricity, usually referring to one around Earth. Examples of inclined HEO orbits include Molniya orbits , named after the Molniya Soviet communication satellites which used them, and Tundra orbits .
Yagi antenna being used to communicate through an FM satellite. A number of low Earth orbit (LEO) OSCAR satellites use frequency modulation (FM). [6] These are also commonly referred to as "FM LEOs" or the "FM Birds". Such satellites act as FM amateur radio repeaters that can be communicated through using commonly available amateur radio equipment.
1990: Sirius Satellite Radio, known then as Satellite CD Radio Inc., proposes the concept of a satellite-delivered digital radio service to the Federal Communications Commission. 1995 January: The FCC sets aside 50 MHz (2310 MHz through 2360 MHz) in the S-band for Satellite Digital Audio Radio Service, also known as SDARS and now commonly known ...
Sirius FM-5, also known as Radiosat 5, is an American communications satellite which is operated by Sirius XM Radio. It was constructed by Space Systems Loral , based on the LS-1300 bus , and carries a single transponder designed to transmit in the NATO E, F and I bands (IEEE S and X bands).
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite. The term most commonly means a dish which receives direct-broadcast satellite television from a direct broadcast satellite in geostationary orbit.
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