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      <title>ESTACIONES TERRENAS by </title>
      <link>https://padlet.com/moises_molinari/m84wiv61rv7z</link>
      <description>Estaciones Terrenas</description>
      <language>en-us</language>
      <pubDate>2017-01-24 21:35:53 UTC</pubDate>
      <lastBuildDate>2026-03-24 20:12:24 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>ELEMENTOS DE UNA ESTACION TERRENA</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149182670</link>
         <description><![CDATA[<div> El segmento terreno es la parte de un sistema de telecomunicaciones por satélite constituida por las estaciones terrenas, las cuales transmiten y reciben de los satélites las señales. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 21:41:28 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149182670</guid>
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      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149183016</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 21:43:26 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149183016</guid>
      </item>
      <item>
         <title>Algunas ET solo tienen capacidad de Tx o Rx</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149184913</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 21:54:54 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149184913</guid>
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      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185598</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 21:59:27 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185598</guid>
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      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185699</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:00:16 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185699</guid>
      </item>
      <item>
         <title>TIPOS DE ET DE ACUERDO AL TAMAÑO DEL REFLECTOR PRINCIPAL</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185846</link>
         <description><![CDATA[<div>ET grandes: D &gt;15m <br>ET medianas: 15m &gt; D &gt; 7m <br>ET pequeñas: 7m &gt; D &gt; 3m <br>Microestaciones VSAT : 4 m&gt; D &gt; 0,7m </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:01:26 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149185846</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149186482</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:05:43 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149186482</guid>
      </item>
      <item>
         <title>CARACTERISTICAS DE UNA ESTACION TERRENA</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149186805</link>
         <description><![CDATA[<div>Alta ganancia en transmisión y recepción.&nbsp;<br>Bajo nivel de interferencia (en transmisión) y sensibilidad de interferencia (en recepción).&nbsp;<br>&nbsp;Radiación con gran pureza de polarización.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:07:57 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149186805</guid>
      </item>
      <item>
         <title>LNA</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149187151</link>
         <description><![CDATA[<div> Se usa un LNA (Low Noise Amplifier) como un preamplificador de microondas en los receptores de las ET, porque este es el que influye menos en la temperatura total de los sistemas en cascada </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:10:34 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149187151</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188030</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:17:08 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188030</guid>
      </item>
      <item>
         <title>TOP (Tubos de Ondas progresivas ó TWT)</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188353</link>
         <description><![CDATA[<div> Son amplificadores de banda ancha, que cubre toda la banda utilizable del satélite (500 Mhz o más). </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:19:06 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188353</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188715</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:21:22 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149188715</guid>
      </item>
      <item>
         <title>Modem (modulador / demodulador).</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149189325</link>
         <description><![CDATA[<div> Estos equipos superponen (modulador) las señales a la portadora de FI o las extraen (demodulador) de la misma. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:24:59 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149189325</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149189483</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:26:08 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149189483</guid>
      </item>
      <item>
         <title>APUNTAMIENTO DE LAS ANTENAS DE LA ESTACION TERRENA</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149190283</link>
         <description><![CDATA[<div> Para orientar la antena de la estación terrena hacia el satélite es necesario conocer los ángulos de vista: azimut y elevación. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:31:58 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149190283</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149190386</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:32:50 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149190386</guid>
      </item>
      <item>
         <title>Cassegrain</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191274</link>
         <description><![CDATA[<div>Es similar a la de Foco Primario, sólo que tiene dos reflectores; el mayor apunta al lugar de recepción, y las ondas al chocar, se reflejan y van al Foco donde está el reflector menor; al chocar las ondas, van al último Foco, donde estará colocado el detector.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:38:44 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191274</guid>
      </item>
      <item>
         <title>Foco primario</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191319</link>
         <description><![CDATA[<div>La superficie de la antena es un paraboloide de revolución, todas las ondas inciden paralelamente al eje principal se reflejan y van a parar al Foco. El Foco está centrado en el paraboloide.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:38:59 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191319</guid>
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      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191629</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:41:19 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149191629</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192592</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:48:47 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192592</guid>
      </item>
      <item>
         <title></title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192706</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-01-24 22:49:35 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192706</guid>
      </item>
      <item>
         <title>Antenas planas o de &quot;Offset</title>
         <author>moises_molinari</author>
         <link>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192724</link>
         <description><![CDATA[<div>Se están utilizando mucho actualmente para la recepción de los satélites de alta potencia (DBS)</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-01-24 22:49:41 UTC</pubDate>
         <guid>https://padlet.com/moises_molinari/m84wiv61rv7z/wish/149192724</guid>
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