Communication Satellites Introduction Communications Satellites have been around since 1958. A communications satellite is a spacecraft that orbits the Earth and relays messages‚ radio‚ telephone and television signals. Stations on the ground‚ called earth stations‚ transmit signals to the satellite‚ which then relays the signal to other earth stations. As a newer form of communications‚ communications satellites are very useful in bringing the people in the world together. Communications between
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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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important. By far‚ satellites are the most important objects today. Most everything‚ including smartphones and computers‚ are present today because of satellites and have capabilities such as Wi-Fi and 4G because of the role satellites play. Even Socrates‚ who lived centuries before the first satellite‚ realized the importance of a view from space when he said‚ "Man must rise above the Earth…to the top of the atmosphere and beyond…for only thus will he fully understand the world in which he lives
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EDU E. AKPAN REG NO: 05423047 DR. AGBER COMMUNICATION TECHNOLOGY AND SOCIETY (THA 718) FEBRUARY‚ 2007 SATELLITE COMMUNICATION AND SOCIETY IN THE THIRD WORLD INTRODUCTION The importance of communication in any country whether developed or developing is so obvious. Every human society‚ from the most primitive to the most advanced; depend on some form of communication network. It will be virtually impossible for any group of people to define their collective identities or make decisions about
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The Telephone “Before the telephone came to Magdaluna‚ Im Kaleem’s house was bustling at just about any time of day‚ especially at night‚ when its windows were brightly lit with three large oil lamps‚ and the loud voices of the men talking‚ laughing‚ and arguing could be heard in the street below—a reassuring‚ homey sound” Anwar F. Accawi (p. 46). It’s hard to imagine that a single device such as the telephone‚ albeit a breakthrough in technology‚ could change not only a person’s day to day
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* Vishal Patel TRANFORMATION OF TELEPHONES Modern man enjoys a number of wonderful gifts of science. The telephone is one of them. It is the quickest means of conveying messages from one place to another. After the invention of this instrument‚ man has conquered time and space. Our lives have become so busy in the new world and have no time for our family members and relatives. But this distance is not the end because the new technologies have changed our lives in many ways and have connected
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SATELLITE COMMUNICATIONS SATELLITE COMMUNICATIONS - AN OVERVIEW INTRODUCTION The outer space has always fascinated people on the earth and communication through space evolved as an offshoot of ideas for space travel. The earliest idea of using artificial satellites for communications is found in a science fiction Brick Moon by Edward Evert Hale‚ published in 1869-70. While the early fictional accounts of satellite and space communications bear little resemblance to the technology as it exists
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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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The Telephone About 100 years ago‚ Alexander Graham Bell invented the telephone by accident with his assistant Mr. Watson. Over many years‚ the modern version of the telephone makes the one that Bell invented look like a piece of junk. Developments in tone dialing‚ call tracing‚ music on hold‚ and electronic ringers have greatly changed the telephone. This marvelous invention allows us to communicate with the entire globe 24 hours a day just by punching in a simple telephone number. It is the
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Question No. 01. Anwar F. Accawi starts the essay “The Telephone” by telling about the way people in his village looked at the time was to notify that time was not important for the people who lived in his village at his period. Accawi in his first paragraph writes that “time didn’t mean much to anybody‚ except may be to those who were dying ‚ or those waiting appear in court…” from these lines Accawi tries to states that time was not important for every people in his village except for some who
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