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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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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“computers” or “ice cream.” While these may be important‚ they are definitely not the most 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
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Sirius Satellite Radio Inc (initially called Satellite CD Radio) was one of the two initial players in the satellite radio industry created by two passionate guys David Margolese and Robert Brckman back in 1997 in Canada. The second player in the industry was XM Radio‚ backed by AMS Corp.‚ and Hughes Electronic (a subsidiary of GM). Market situation for both companies was similar‚ but Sirius somehow fell a few steps behind XM Radio‚ therefore I will analyze in particular problems of and opportunities
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infared satellite. I say this because it is looking underground‚ even if it is just a foot‚ and seeing things that you wouldn’t be able to see with just your eye. These Egyptologists‚ are taking these devices and looking at different denser areas in the ground to find out if there was once a city‚ tomb‚ or road there. "If I had approched this as a traditional foot survey‚ it would have taken me three and a half years" (Article 3‚ Paragraph 5)‚ this shows how effective the infared satellite is.
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Radio Analysis 1. Introduction Every day‚ many people tune in to radio news. In Britain alone‚ every week over 12 million listen to news bulletins from the British Broadcasting Corporation (BBC) on five radio networks. The language of the news media‚ especially of radio news‚ offers a number of areas which are worth researching and investigating. An investigation of the linguistic features of the language in radio news - similar to any other investigation - needs a definition of what is to be
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Television is a powerful medium. However‚ Turkish viewers ignore Dutch television and point their dishes to receive TV-stations from their home country. The commercial Turkish stations are more popular than the state broadcast TRT INT‚ receivable through cable. Do these stations actually interfere with integration or are the Dutch stations not making enough efforts to attract Turkish viewer ship? TRT INT is the international TV-station of the Turkish state-owned broadcasting system TRT. It broadcasts
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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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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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1 SATELLITE COMMUNICATION – AN INTRODUCTION Contents 1.1 Introduction 1.2 Basics 1.3 Applications of Satellites o Weather Forecasting o Radio and TV Broadcast o Military o Navigation o Global Telephone o Connecting Remote Areas o Global Mobile Communication 1.4 Frequency Allocation of Satellites 1.5 Types of Orbits o GEO o LEO o MEO o Sun Synchronous Orbit o Hohmann Transfer Orbit o Prograde Orbit o Retrograde Orbit o Polar Orbits 1.6 Examples o INTELSAT o U.S. Domsats o Polar Orbiting Satellites
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