Satellite A satellite is defined as any object that orbits any other object. Satellites can be celestial‚ such as a moon orbiting a planet in the solar system‚ or a planet in the solar system orbiting the sun. Satellites can also be man-made. Man-made satellites are typically launched into outer space from earth to collect data‚ photos and other information about Earth and all the many things that exist around it. FLOW OF CONTENTS
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Satellite Telecommunications Network and Telecommunications Concepts 360 September 11‚ 2005 Table of Contents Introduction Satellite Communications History Sputnik Changed Everything America ’s Response Future Trends in Satellite Communications GEO vs. LEO Bent-Pipe Satellite Relay vs. the Switch in the Sky Companies Involved in Satellite Communications Regulatory Issues in Satellite Communications Global implications for the
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of satellite communication systems have been proposed using geosynchronous (GEO) satellites‚ as well as low earth orbit (LEO) constellations operating in the Ka-band and above. At these frequencies satellite networks are able to provide broadband services requiring wider bandwidth than the current services at C or Ku-band. As a consequence‚ some of the new services gaining momentum include mobile services‚ private intranets and high data rate internet access carried over integrated satellite-fiber
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Artificial satellites are those put into orbit by man. Equipment on a satellite is hardened to survive in the radiation and vacuum of space. Since there is no air in space and therefore no air resistance‚ satellites come in many shapes and sizes. Types of Satellites and their Uses We use satellites for different purposes and all satellites can be placed in one of the following categories: Communications Satellites Distribution of television and audio signals‚ and telephone connections via satellite
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Subject : Introduction to satellite (SCM01D4) Introduction Eclipses can only occur when the Sun‚ Earth‚ and Moon are all in a straight line. Solar occur at new moon‚ when the Moon is between the Sun and Earth and in contrast‚ lunar eclipses occur at full moon‚ when Earth is between the Sun and Moon. The apparent size of the Moon is roughly the same as that of the Sun‚ with both being viewed at close
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INTRODUCTION For three decades‚ satellite communications have been used for public switched telephone network (PSTN) and video broadcasting applications. However‚ with daily technology advancements made in society and the requirement for global data connectivity‚ satellites are increasingly being used to provide data communication links at all data rates ranging from 64 Kbps to 155 Mbps (Buchsbaum). Wireless technology allows data to be sent out into space to a satellite and back to earth to provide
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History changed on October 4‚ 1957‚ when the former Soviet Union successfully launched Sputnik I. The world’s first artificial satellite was about the size of a basketball‚ weighed only 183 pounds‚ and took about 98 minutes to orbit the Earth on its elliptical path. That launch ushered in new political‚ military‚ technological‚ and scientific developments. While the Sputnik launch was a single event‚ it marked the start of the space age and the U.S.-U.S.S.R space race. The story begins in 1952
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Polar Satellite Launch Vehicle commonly known by its abbreviation PSLV‚ is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into sun synchronous orbits‚ a service that was‚ until the advent of the PSLV‚ commercially viable only from Russia. PSLV can also launch small size satellites into geostationary transfer orbit (GTO). The PSLV has launched 55 satellites / spacecrafts
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HOW SATELLITE BENEFITS SOCIETY Satellites are used almost everyday by everyone. Even though you can’t see it‚ there will probably be one traveling above you today. Satellites are used for many things such as communication‚ oceanography‚ astronomy‚ surveillance‚ and a variety of other things as well . They help many scientists get a perceptive view at all kinds of objects anywhere in the world. Communications Communication satellites work non-stop 24 hours a day to keep the entire world
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What is a satellite? A satellite is a small thing orbiting or circling a larger thing. The complete path it follows is called an orbit. The moon is a example of a natural satellite of the earth. Manmade‚ or artificial satellites are placed into orbit by rockets or space shuttles. After World War II‚ the former Soviet Union successfully launched Sputnik I‚ the first artificial satellite in 1951‚ into space. In 1958‚ the United States launched its first artificial satellite Telstar I into orbit.
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