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12/11/2003 |
MLESAT Satellite Feature Articles: |
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Frequencies for Satellite Communications explains how the electro-magnetic spectrum is divided into different segments, each with its own unique properties. The S, C,Ku, and Ka band satellite frequency segments are defined and differentiated from one another. In addition, unique band performance characteristics are delineated. Satellite Signal Encryption explains the basic elements of an analog video wave form, how encryption systems manipulate this waveform, and the role of "electronic keys" in smart cards and conditional access systems. Satellite Installations covers locating the satellite arc, pouring the pad, assembling the dish, mounting the LNB & feed horn, running the cables, dish alignment settings, and antenna tracking procedures. Satellite Receiving Antennas is a complete tutorial covering the various different types of antenna designs that are employed in the development of satellite TV and broadband-via-satellite receiving systems. |
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Feedhorns and LNBs describes the relationship between the parabolic receiving antenna, the feedhorn which captures the incoming signal and the electronic amplifier, which dramatically increases the signal level. |
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Satellite TV Receivers and IRDs discusses the "ins and outs" of choosing a satellite TV receiver. This tutorial makes a distinction between satellite TV services which are transmitted in an analog format and those which are digitally compressed. |
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Receiving International Satellite TV Signals examines the problems faced by satellite TV installers and viewers when attempting to access international satellites with technical characteristics that do not conform to typical system parameters. |
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MLESAT Broadband Feature Articles: |
Broadband News: |
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Understanding Digital Video Compression is a basic tutorial that explains the role of compression standards developed by the Moving Pictures Experts Group and Digital Video Broadcasting Group. |
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The Evolution of U.S. Broadcast TV Technology is an overview of the evolution of TV transmission standards in the USA, from the inception of broadcast television itself, to the introduction of encrypted pay TV services and the arrival of the U.S. DTV standard. |
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2001: A Satellite Odyssey. A "crystal ball" view of what's in store in the way of the convergence of multimedia entertainment and information services in the new millenium. |
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Gambling On Digital Convergence? Digital multimedia promises to be the "can do anything" entertainment technology of the 21st century. But you'd better hold on to your hats, because its going to be a long, bumpy ride. |
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HDTV: The Long and Winding Road. For an innovation, HDTV is a twenty-something year-old concept that is only now becoming a regular part of America's entertainment universe. Here's how it works. |
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Sound Decisions: The Dolby Digital audio has become an accepted multichannel audio format for digital video broadcasting (DVB) applications worldwide. Here's what Digital Dolby promises to deliver to satellite TV viewers in the new millennium. |
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MLESAT Asia/Pacific Satellite System Reports: |
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