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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History of Satellite Communications The first idea of satellite communication came from an article in 1945 named Wireless World‚ where Author C. Clarke described the use of manned satellites in 24 hour orbits to distribute television programs. However‚ the first person to carefully evaluate the technical and financial aspects of such a venture was John R. Pierce of Bell Telephone Laboratories (Whalen‚ n.d.). In a 1954 speech and 1955 article‚ Pierce described the usefulness of a communications
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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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Marketing Plan By: Jaleesa Howard Due: 12/16/2012 Table of Contents * Executive Summary * Company Description * Strategic Focus and Plan * Mission/Vision * Goals * Core Competency and Sustainable Competitive Advantage * Situation Analysis * SWOT analysis * Industry Analysis * Competitor Analysis * Company Analysis * Customer Analysis * Market-Product Focus * Marketing and Product Objectives * Target Markets * Points
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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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With the development of digital technologies the future of television lies with Satellite or Cable Broadcasting. The era of Terrestrial Broadcasting is now over. In my life‚ I have only witnessed first hand‚ the effects of media and its development since about 1995‚ as this is the earliest I can remember. However‚ my huge interest in the subject has lead me to broaden my knowledge over the way media had developed in the 1980’s and even earlier. I believe that what I have witnesses is in fact
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Bello Adria Bello Period 1 12 English Mrs. Miller Has Reality TV Overrun Television? Thirteen years ago‚ the most popular television shows were Frasier‚ Friends‚ and E.R: fun loving sitcoms. The top rating shows currently on primetime television are American Idol and The Voice: reality shows (Fahner‚ par. 3). Television has become overrun by reality television‚ pushing sitcoms and other programs to the side. Reality television is infamous for its questionable depictions of life‚ and it id
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Internet Protocol television (IPTV) is a system through which Internet television services are delivered using the architecture and networking methods of the Internet Protocol Suite over a packet-switched network infrastructure‚ e.g.‚ the Internet and broadband Internet access networks‚ instead of being delivered through traditional radio frequency broadcast‚ satellite signal‚ and cable television (CATV) formats. IPTV services may be classified into three main groups: live television‚ time-shifted
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MARKETING PLAN AND STRATEGY FOR VIKING iMow "[ENTER THE COMPANY AND PRODUCT NAME HERE]" Written and Submitted by: "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" "[ENTER YOUR ID NUMBER AND NAME HERE]" SUBMISSION DATE: 23rd JUNE 2014 Table of Content 1. Executive Summary The overall
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Underground Cables 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 11.10 11.11 11.12 11.13 11.14 11.15 11.16 11.17 11.18 11.19 11.20 11.21 11.22 11.23 Underground Cables Construction of Cables Insulating Materials for Cables Classification of Cables Cables for 3-Phase Service Laying of Underground Cables Insulation Resistance of a Single-Core Cable Capacitance of a Single-Core Cable Dielectric Stress in a Single-Core Cable Most Economical Conductor Size in a Cable Grading
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