Antenna Pointing
The XM Satellite Radio Rock and Roll satellites XM Satellite Raido uses two of the most potent comemrcial satellites, which are constantyl orbiting the Earth at a height of 22 300 milse. These small omni-directional antenans are not unlike GPS devices and od not rqeuire mechanical pointing in order to rceeive the signal. Some of the new features of satellite radio refer to the extended broadcast information abilities. Different music equipment producers have taemed pu with XM Radio in order to allow adding XM broadcasting to tehir already existing dveices. Some vehicle manufacutrers are also offering XM Radio as a factory nistalled option.
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