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    Boas.<br>
    <br>
    O processamento necess&aacute;rio para os SDR's usb em windows ou em linux
    nem &eacute; maior nem menor, &eacute; igual.<br>
    <br>
    73, Renato<br>
    <br>
    On 09-06-2012 02:40, Paulo Mendes wrote:
    <blockquote
cite="mid:CAJVR2POE6GfE=Vkn3S57bVe1BNMfDdwPgy5jZAgvJaoFWBdWmA@mail.gmail.com"
      type="cite">A ideia &eacute; boa, mas o processamento necess&aacute;rio para os
      SDR&acute;s usb (RTL2832U) &eacute; elevado (pelo menos em Windows), em Linux
      dever&aacute; ser muito mais baixo no entanto nada como testar.
      <div><br>
      </div>
      <div>73&acute;s</div>
      <div>Bom fim de semana.</div>
      <div><br>
      </div>
      <div>Paulo Mendes - CT2HQT</div>
      <div><br>
      </div>
      <div><br>
        <br>
        <div class="gmail_quote">No dia 8 de Junho de 2012 14:54, Jo&atilde;o
          Gon&ccedil;alves Costa <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:joao.a.costa@ctt.pt" target="_blank">joao.a.costa@ctt.pt</a>&gt;</span>
          escreveu:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div link="blue" vlink="purple" lang="PT">
              <div>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Definitivamente
                    est&aacute;s, ou melhor, estamos rendido &agrave;s Novas
                    Tecnologias.</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                    _\\|//_</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                    ( o o )</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">
                    ------------------ooO-(_)-Ooo------------</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                    73 de:</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;
                    ************************************</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;
                    *&nbsp; CT1FBF / Jo&atilde;o Gon&ccedil;alves Costa&nbsp;&nbsp;&nbsp; </span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;*&nbsp;
                    QTH Locator : IM58kq &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;</span><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d"
                    lang="EN-US">*&nbsp; CQ Zone: 14&nbsp; /&nbsp; ITU Zone: 37&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d"
                    lang="EN-US">&nbsp;&nbsp;*&nbsp; E-mail and Address, see in: </span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d"
                    lang="EN-US">&nbsp;&nbsp;</span><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">*&nbsp;
                    <a moz-do-not-send="true" href="http://www.qrz.com"
                      target="_blank">www.qrz.com</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;*&nbsp;
                    QSL Card via Eqsl: <a moz-do-not-send="true"
                      href="http://www.eqsl.cc" target="_blank">www.eqsl.cc</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                  </span></p>
                <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;&nbsp;**************************************</span></p>
                <p class="MsoNormal"><span
                    style="font-size:10.0pt;font-family:&quot;Courier
                    New&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">De:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
                    <a moz-do-not-send="true"
                      href="mailto:cluster-bounces@radio-amador.net"
                      target="_blank">cluster-bounces@radio-amador.net</a>
                    [mailto:<a moz-do-not-send="true"
                      href="mailto:cluster-bounces@radio-amador.net"
                      target="_blank">cluster-bounces@radio-amador.net</a>]
                    <b>Em nome de </b>Carlos Mourato<br>
                    <b>Enviada:</b> sexta-feira, 8 de Junho de 2012
                    14:25<br>
                    <b>Para:</b> Resumo Noticioso ARLA/CLUSTER<br>
                    <b>Assunto:</b> Re: ARLA/CLUSTER: Usar 1 computador
                    de 25 Dolares no Servi&ccedil;o de Amador</span></p>
                <div>
                  <div class="h5">
                    <p class="MsoNormal">&nbsp;</p>
                    <p class="MsoNormal">Eu j&aacute; me registei. &nbsp;Acredito
                      que esta unidade de computa&ccedil;&atilde;o vai ter um enorme
                      leque de aplica&ccedil;&otilde;es, come&ccedil;ando pelo nosso hobby,
                      onde prevejo que venha a entar em todas as
                      frentes. &Eacute; realmente interessante o grau de
                      miniaturiza&ccedil;&atilde;o da unidade e o pre&ccedil;o.</p>
                    <div>
                      <p class="MsoNormal">As vendas est&atilde;o de novo
                        suspensas, porque assim que apareceram no
                        mercado&nbsp;&nbsp;as mais de 200.000 unidades
                        construidas&nbsp;esgotaram-se no instante, vendendo
                        apenas uma unidade por cliente com pedido de
                        reserva.</p>
                    </div>
                    <div>
                      <p class="MsoNormal">J&aacute; pensaram num SDR com uma
                        "coisita" destas l&aacute; dentro?...Um gajo pega num
                        SDR, coloca l&aacute; uma unidade destas...Um TFT
                        desses das molduras no painel, umas teclas com
                        atalhos tambem no painel e mais uns encoders
                        para mudar a frequencia, e temos um super
                        transceiver home made e topo de gama!!</p>
                    </div>
                    <div>
                      <div>
                        <p class="MsoNormal">&nbsp;</p>
                      </div>
                      <div>
                        <p class="MsoNormal">&nbsp;</p>
                      </div>
                      <div>
                        <p class="MsoNormal">&nbsp;</p>
                      </div>
                      <p class="MsoNormal"><b>Best 73 from: regards
                          from: CT4RK Carlos Mourato - Sines - Portugal</b><br>
                        <br>
                        &nbsp;<b><span style="color:red">Warning</span></b></p>
                      <div>
                        <p class="MsoNormal"><b><span style="color:red">Save
                              the Radio Spectrum! Eliminate Broadband
                              over Power Line.&nbsp;</span></b></p>
                      </div>
                      <div>
                        <p class="MsoNormal">&nbsp;</p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="margin-bottom:12.0pt"><b><span
                              style="color:red">Salve o espectro
                              electromagn&eacute;tico!. N&atilde;o use a rede
                              electrica para transmitir dados. Os
                              "homeplugs power line" e a tecnologia
                              "power line" causa fortes interferencias
                              noutro servi&ccedil;os sem voce se aperceber.
                              Diga n&atilde;o &agrave; tecnologia power line. Proteja
                              o ambiente electromagn&eacute;tico. Utilize
                              tecnologia de redes sem fio, denominadas
                              wireless.</span></b><br>
                          -----------------------------------------------------------
                        </p>
                      </div>
                      <p class="MsoNormal" style="margin-bottom:12.0pt"><br>
                        <br>
                      </p>
                      <div>
                        <p class="MsoNormal">2012/6/8 Jo&atilde;o Gon&ccedil;alves
                          Costa &lt;<a moz-do-not-send="true"
                            href="mailto:joao.a.costa@ctt.pt"
                            target="_blank">joao.a.costa@ctt.pt</a>&gt;</p>
                        <div>
                          <div>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">Raspberry Pi* used for
                                Amateur Radio</span></p>
                            <p><span
style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">Informa&ccedil;&otilde;es
                                sobre o computador Linux de baixo custo
                                (~15 UKP ou 25USD) da Funda&ccedil;&atilde;o Raspberry
                                Pi para o ensino de programa&ccedil;&atilde;o de
                                computadores para as crian&ccedil;as. A
                                Funda&ccedil;&atilde;o Raspberry Pi &eacute; uma institui&ccedil;&atilde;o
                                de caridade registrada no Reino Unido
                                (N&uacute;mero de Registro 1129409), que existe
                                para promover o estudo da ci&ecirc;ncia da
                                computa&ccedil;&atilde;o e assuntos relacionados,
                                especialmente ao n&iacute;vel escolar, e trazer
                                de volta o aprendizado de computa&ccedil;&atilde;o
                                como divers&atilde;o. Esperamos que esse
                                computador tenha muitas outras
                                aplica&ccedil;&otilde;es, tanto no mundo desenvolvido
                                quanto no mundo em desenvolvimento. </span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">AMSAT-UK and AMSAT-NA
                                member Dave Johnson, G4DPZ, has been
                                using the Raspberry Pi to run amateur
                                radio satellite software.</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">The &pound;22 Model B Raspberry
                                Pi is a credit-card sized ARM-based
                                computer board that plugs into a TV and
                                a keyboard. </span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">Based around the 700 MHz
                                ARM11 processor the board has 256 MB
                                SDRAM, two USB ports, Ethernet with
                                composite and HDMI video outputs.
                                Low-level peripherals are GPIO pins,
                                SPI, I&sup2;C, I&sup2;S and UART.</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">It was developed in
                                Cambridgeshire by a UK registered
                                charity, the Raspberry Pi Foundation,
                                which exists to promote the study of
                                computer science and related topics,
                                especially at school level, and to put
                                the fun back into learning computing.</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">Dave's Raspberry Pi runs
                                Debian Squeeze with Xwindows and is
                                accessed using VNC over his shack
                                network.</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">The first amateur radio
                                application he got running was GPredict
                                (thanks go to Alex Csete OZ9AEC for
                                making such a portable implementation).
                                Updates of Keplerian Two Line Elements
                                (KEP / TLE) from the Internet worked
                                perfectly.</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">GPredict free real-time
                                satellite tracking and orbit prediction</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US"><a moz-do-not-send="true"
                                  href="http://gpredict.oz9aec.net/"
                                  target="_blank">http://gpredict.oz9aec.net/</a></span></p>
                            <p class="MsoNormal">
                              <span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">Raspberry Pi computer now
                                on sale</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US"><a moz-do-not-send="true"
href="http://www.southgatearc.org/news/march2012/raspberry_pi_computer_now_on_sale.htm"
                                  target="_blank">http://www.southgatearc.org/news/march2012/raspberry_pi_computer_now_on_sale.htm</a>
                              </span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US">AMSAT-UK</span></p>
                            <p class="MsoNormal"><span
                                style="font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"
                                lang="EN-US"><a moz-do-not-send="true"
                                  href="http://www.uk.amsat.org/"
                                  target="_blank">http://www.uk.amsat.org/</a></span></p>
                            <p class="MsoNormal">
                              <span lang="EN-US">&nbsp;</span></p>
                            <p class="MsoNormal"><span lang="EN-US">&nbsp;</span></p>
                          </div>
                        </div>
                        <p class="MsoNormal"
                          style="margin-bottom:12.0pt"><br>
_______________________________________________<br>
                          CLUSTER mailing list<br>
                          <a moz-do-not-send="true"
                            href="mailto:CLUSTER@radio-amador.net"
                            target="_blank">CLUSTER@radio-amador.net</a><br>
                          <a moz-do-not-send="true"
                            href="http://radio-amador.net/cgi-bin/mailman/listinfo/cluster"
                            target="_blank">http://radio-amador.net/cgi-bin/mailman/listinfo/cluster</a></p>
                      </div>
                      <p class="MsoNormal">&nbsp;</p>
                    </div>
                  </div>
                </div>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            CLUSTER mailing list<br>
            <a moz-do-not-send="true"
              href="mailto:CLUSTER@radio-amador.net">CLUSTER@radio-amador.net</a><br>
            <a moz-do-not-send="true"
              href="http://radio-amador.net/cgi-bin/mailman/listinfo/cluster"
              target="_blank">http://radio-amador.net/cgi-bin/mailman/listinfo/cluster</a><br>
            <br>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        <div>Com os melhores cumprimentos.</div>
        Paulo Mendes - CT2HQT<br>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
CLUSTER mailing list
<a class="moz-txt-link-abbreviated" href="mailto:CLUSTER@radio-amador.net">CLUSTER@radio-amador.net</a>
<a class="moz-txt-link-freetext" href="http://radio-amador.net/cgi-bin/mailman/listinfo/cluster">http://radio-amador.net/cgi-bin/mailman/listinfo/cluster</a>
</pre>
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