ÿþ<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="zh-CN" /> <meta content="all" name="robots" /> <meta name="Copyright" content="ANTESKY SCIENCE TECHNOLOGY INC." /> <meta name="description" content="When selecting and siting antennas, systems engineers rarely consider the earth station antenna's vulnerability to damage or destruction by the forces of nature or man. This article will tell you how to select the earth station antenna site. 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When selecting and siting antennas, systems engineers rarely consider the earth station antenna's vulnerability to damage or destruction by the forces of nature or man. This article will tell you how to select the earth station antenna site.</DIV><br><DIV>&nbsp;</DIV><br><DIV><B>Content </B>When selecting the location for an <A href="http://www.antesky.com/Earth-Station-Antenna.html"><STRONG>earth station antenna</STRONG></A> of any size, the primary consideration is to ensure a clear view of the orbital arc, which allows the antenna to "see" the maximum number of satellites. Placing an antenna on a rooftop is often the optimal solution. However, extremely high winds can damage or destroy a parabolic dish antenna. </DIV><br><DIV>&nbsp;</DIV><br><DIV>Most properly installed earth station antennas are designed to survive winds of at least 60 or 70 miles per hour. When located in areas prone to hurricanes, tornadoes, or seasonal periods of high winds that can exceed these speeds, special considerations should be made in selecting the location of the antenna.</DIV><br><DIV>&nbsp;</DIV><br><DIV>Properly siting the antenna can increase the chances of surviving high wind conditions. Locating an antenna on the leeward side of buildings or hillsides, or using large roof structures, such as air conditioning units as windbreaks, while maintaining a clear view of the orbital arc, can make the difference between an antenna's survival or destruction in a storm. As every rooftop antenna installation is unique, it is important to work with the building owner or landlord in order to determine the optimum location.</DIV><br><DIV>&nbsp;</DIV><br><DIV>Many manufacturers make antennas and antenna mounts capable of surviving higher wind conditions, than standard units. High wind antennas are more robust, and reinforced mounts should be considered in areas having an elevated risk of wind damage to outdoor structures.</DIV><br><DIV>&nbsp;</DIV><br><DIV>In the case of non-penetrating roof mounted antennas being installed in high wind areas, the maximum amount of ballast recommended by the manufacturer must be installed, or even exceeded, in order to ensure that the antenna does not move from its moorings during high wind conditions. The ability of the roof to bear this additional load must be considered to avoid damaging the building upon which the antenna is mounted. In general, hard mounting an antenna to a building is preferred over the use of a non-penetrating roof mount.</DIV><br><DIV>&nbsp;</DIV><br><DIV>Having a replacement antenna available in the event of an emergency is a costly, yet highly effective means of mitigating the risk of prolonged outages in crucial networks. Installing a second, fully equipped and operational antenna on a nearby building provides full redundancy, and "pace diversity" for the system. While costly, this risk mitigating option may be appropriate in high priority, high value communications networks.</DIV><br><DIV>&nbsp;</DIV><br><DIV><STRONG><A href="http://www.antesky.com/Earth-Station-Antenna.html">Earth station antennas</A></STRONG> providing high value, critical communications links must be protected against natural, and man-made threats. While some devastating situations are unavoidable, it is incumbent upon systems engineers to design a level of security and survivability into earth station facilities, which is commensurate with the importance of the communications traffic being carried by the facility. Selecting an appropriate location for the antenna can greatly increase its chances for surviving a storm or avoiding deliberate attack. Providing sufficient spares, and or redundancy/diversity can avoid outages or greatly reduce down time in the event of an interruption caused by either weather or attack.</DIV><br><DIV>&nbsp;</DIV><br><DIV>About Antesky</DIV><br><DIV>&nbsp;</DIV><br><DIV><A href="http://www.antesky.com"><STRONG>Antesky Science Technology Inc</STRONG></A>. is specially engaged in designing, manufacturing and installing satellite communication earth station antenna and relevant servo equipments. We can offer a complete line of earth station antenna products and systems, such as <A href="http://www.antesky.com/Earth-Station-Antenna.html"><STRONG>Satellite communication antennas</STRONG></A>,&nbsp;<STRONG><A href="http://www.antesky.com/Earth-Station-Antenna.html">earth station antenna</A></STRONG> , <A href="http://www.antesky.com/Rx-Antenna.html"><STRONG>Rx antennas</STRONG></A>, SNG Antennas, <STRONG><A href="http://www.antesky.com/Flyaway-Antenna.html">Flyaway antennas</A></STRONG>, antenna control system and tracking system.</DIV></td> </tr> </table> <table width="98%" border="0" cellspacing="0" cellpadding="0"> <tr> <td>&nbsp;</td> </tr> </table> <table width="98%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class="xhx01">&nbsp;</td> </tr> </table><table width='98%' border='0' cellspacing='0' cellpadding='0'><tr><td class='navlb' align='left'>Related Articles</td></tr></table><div class='xginfo'><ul><li><a href='Maintenances-of-Earth-Station-Antenna.html' >The Maintenances of Earth Station Antenna from Antesky</a></li><li><a href='Earth-Station-Antenna-Control-System.html' >Maintenance and Protection for Satellite Earth Station Ante...</a></li><li><a href='4.5m-Earth-Station-Antennas.html' >Antesky Introduces 4.5m Earth Station Antenna With High Qua...</a></li><li><a href='7.3m-Earth-Station-Antennas.html' >Antesky Introduces 7.3m Earth Station Antenna With Self-ali...</a></li><li><a href='Satellite-Antenna-Systems.html' >Antesky Satellite Antenna Systems and Service</a></li><li><a href='9.0m-Earth-Station-Antennas.html' >Antesky Introduces 9.0 meter Dual-Reflector Earth Station A...</a></li> </ul> </div><table width="98%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class="xhx01">&nbsp;</td> </tr> </table><table width='98%' border='0' cellspacing='0' cellpadding='0'><tr><td class='navlb' align='left'>Main Products</td></tr></table><div class='xgcp'><table><tr><td align='left' style='padding-left:5px;'><a href='/products/1.8m-Flyaway-antenna.html' ><img src='/uploadfiles/201121146857921.jpg' width='160' height='133' class='imgb02' /></a><br/><a href='/products/1.8m-Flyaway-antenna.html' class='ptext02'>1.8M Flyaway Antenna (C band)</a></td><td align='left' style='padding-left:5px;'><a href='/products/4.3m-Rx-antenna.html' ><img src='/uploadfiles/2010112462701517.jpg' width='160' height='133' class='imgb02' /></a><br/><a href='/products/4.3m-Rx-antenna.html' class='ptext02'>4.3M Rx Antenna</a></td><td align='left' style='padding-left:5px;'><a href='/products/4.5m-earth-station-antenna.html' ><img src='/uploadfiles/2010112980129753.jpg' width='160' height='133' class='imgb02' /></a><br/><a href='/products/4.5m-earth-station-antenna.html' class='ptext02'>4.5M VSAT Antenna</a></td><td align='left' style='padding-left:5px;'><a href='/products/6.2m-earth-station-antenna.html' ><img src='/uploadfiles/2010112455329609.jpg' width='160' height='133' class='imgb02' /></a><br/><a href='/products/6.2m-earth-station-antenna.html' class='ptext02'>6.2M Earth Station Antenna</a></td></tr></table></div></div></div> <div id="right"><div class='rightnav'> <table width='100%' border='0' cellspacing='0' cellpadding='0'> <tr><td align='left'>Products</td></tr> </table></div><div class='rightcp'><ul><li ><a href='/Earth-Station-Antenna.html'>Earth Station Antenna</a></li><li ><a href='/SNG-Antenna.html'>SNG Antenna</a></li><li ><a href='/Flyaway-Antenna.html'>Flyaway Antenna</a></li><li ><a href='/Rx-Antenna.html'>Rx Antenna</a></li><li ><a href='/Antenna-Control-System.html'>Antenna Control System</a></li><li ><a href='/Antenna-Tracking-System.html'>Antenna Tracking System</a></li></ul></div><div class='rightnav'> <table width='100%' border='0' cellspacing='0' cellpadding='0'> <tr><td align='left'>Related Articles</td></tr> </table></div><div class='rightnews02'><ul><li class='fgbg'><a href='/article/How-to-Site-VSAT-Antenna-Rx-Tx-antenna.html'>How to Site VSAT Antenna - 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