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    <div class="moz-cite-prefix">Um par em cada sentido ...<br>
      Parecidos com estes ( <a class="moz-txt-link-freetext" href="http://www.netcom-cz.cz/nokia/bb512.pdf">http://www.netcom-cz.cz/nokia/bb512.pdf</a> )
      mas a vers&atilde;o que s&oacute; d&aacute; 180kbit/s<br>
      <br>
      73!<br>
      <br>
      On 19-02-2014 18:41, Lu&iacute;s Garcia Filipe wrote:<br>
    </div>
    <blockquote
cite="mid:CAOcrdxZT90EaeUQvs_jAMrFxvV_4N=SNFpCLfYksYvzmMELnyQ@mail.gmail.com"
      type="cite">
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            Boas.<br>
            <br>
            <br>
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          180 kb/s num par ( 1-rx&nbsp; 2-tx) ou s&oacute; num fio?<br>
          <br>
          <br>
          73,<br>
          <br>
        </div>
        CS7AEL<br>
        <div><br>
          <br>
        </div>
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      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">
          No dia 19 de Fevereiro de 2014 &agrave;s 18:32, Pedro Ribeiro <span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:ct7abp@gmail.com" target="_blank">ct7abp@gmail.com</a>&gt;</span>
          escreveu:<br>
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            .8ex;border-left:1px #ccc solid;padding-left:1ex">
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              <div>Tenho aqui dois Nokia que com dois pares de cobre
                davam 180kbit/s, algo que de vez em quando uso no
                laborat&oacute;rio para mostrar aos alunos, coisas que ainda se
                apanham por a&iacute; em produ&ccedil;&atilde;o em alguns locais.<br>
                E ficam a conhecer a "monstra" ficha do standard de
                facto nesses equipamentos que &eacute; a do V.35 (s&iacute;ncrono).<br>
                <br>
                73!<br>
                <br>
                On 19-02-2014 17:54, Filipe Pereira wrote:<br>
              </div>
              <blockquote type="cite">
                <p dir="ltr">Que saudades dos modems de banda base da
                  ericsson usados nas chamadas linhas mortas, que n&atilde;o
                  eram mais do que uma liga&ccedil;&atilde;o ponto a ponto entre o par
                  de cobre. <br>
                  73<br>
                  Filipe Pereira<br>
                  CS7AFP</p>
                <div class="gmail_quote">Em 19/02/2014 11:40, "Renato
                  Encarna&ccedil;&atilde;o" &lt;<a moz-do-not-send="true"
                    href="mailto:ct7abr@gmail.com" target="_blank">ct7abr@gmail.com</a>&gt;

                  escreveu:<br type="attribution">
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                    .8ex;border-left:1px #ccc solid;padding-left:1ex">
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                      <div>Um termo mais apropriado agora no Sec. XXI
                        ser&aacute; "banda de base"!<br>
                        <br>
                      </div>
                      73, Renato<br>
                    </div>
                    <div class="gmail_extra"><br>
                      <br>
                      <div class="gmail_quote">No dia 19 de Fevereiro de
                        2014 &agrave;s 11:21, AV <span dir="ltr">&lt;<a
                            moz-do-not-send="true"
                            href="mailto:radiophilo@gmail.com"
                            target="_blank">radiophilo@gmail.com</a>&gt;</span>
                        escreveu:<br>
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                          0 0 .8ex;border-left:1px #ccc
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                                        <div>Ol&aacute; Luis,<br>
                                          <br>
                                        </div>
                                        Bom dia.<br>
                                      </div>
                                      Realmente o termo baixa frequ&ecirc;ncia
                                      era aplicados aos telefones
                                      convencionais onde as
                                      audio-frequ&ecirc;ncias viajavam pelos
                                      condutores de cobre e n&atilde;o
                                      recorriam &agrave; modula&ccedil;&atilde;o de uma
                                      portadora de alta frequ&ecirc;ncia.<br>
                                    </div>
                                    <br>
                                  </div>
                                  Mesmo nos casos dos telefones fixos
                                  actuais quando ainda se usa a "baixa
                                  frequ&ecirc;ncia" entre a central e o
                                  telefone, a voz passa j&aacute; passa por
                                  toda a sorte de dispositivos de
                                  microondas e j&aacute; n&atilde;o se pode falar
                                  exclusivamente em "baixa frequ&ecirc;ncia".<br>
                                  <br>
                                </div>
                                No entanto a express&atilde;o ficou.<br>
                                <br>
                              </div>
                              <div>Tamb&eacute;m revela uma ideia interessante,
                                que embora a tecnologia de r&aacute;dio seja
                                usada em milhentas coisas, n&atilde;o &eacute;
                                normalmente associada como tal.<br>
                              </div>
                              <div>Ningu&eacute;m pega num telem&oacute;vel e diz:
                                "vou falar aqui pelo meu r&aacute;dio".<br>
                              </div>
                              <div><br>
                                <br>
                                73,<br>
                              </div>
                              Ant&oacute;nio Vilela<br>
                            </div>
                            CT1JHQ<br>
                            <div>
                              <div>
                                <div class="gmail_extra"><br>
                                  <br>
                                  <div class="gmail_quote">2014-02-19
                                    10:55 GMT+00:00 Lu&iacute;s Garcia Filipe <span
                                      dir="ltr">&lt;<a
                                        moz-do-not-send="true"
                                        href="mailto:afterhours36@gmail.com"
                                        target="_blank">afterhours36@gmail.com</a>&gt;</span>:<br>
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                                      style="margin:0 0 0
                                      .8ex;border-left:1px #ccc
                                      solid;padding-left:1ex">
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                                                  <div>Bons dias.<br>
                                                    <br>
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                                                  Aos colegas mais
                                                  antigos, porque
                                                  designamos por atender
                                                  um telem&oacute;vel por
                                                  "baixa frequ&ecirc;ncia" ?<br>
                                                  <br>
                                                </div>
                                                Sendo que a frequ&ecirc;ncia
                                                mais baixa, representada
                                                pelo 2g GSM, andar&aacute; na
                                                casa dos 900 mhz, mais
                                                coisa menos coisa, n&atilde;o
                                                lhe dever&iacute;amos chamar
                                                por "alta-frequ&ecirc;ncia" ?<br>
                                                <br>
                                                <br>
                                              </div>
                                              Fica a duvida e a
                                              curiosidade<br>
                                              <br>
                                              73,<br>
                                              <br>
                                              <br>
                                            </div>
                                            CS7AEL<span><font
                                                color="#888888"><br
                                                  clear="all">
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                                                      <div>
                                                        <div><br>
                                                          -- <br>
                                                          Cumprimentos;<br>
                                                          <br>
                                                          Lu&iacute;s Filipe
                                                          Garcia S. </div>
                                                      </div>
                                                    </div>
                                                  </div>
                                                </div>
                                              </font></span></div>
                                          <br>
                                        </div>
                                      </div>
                                      <div>_______________________________________________<br>
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                                          href="http://radio-amador.net/cgi-bin/mailman/listinfo/cluster"
                                          target="_blank">http://radio-amador.net/cgi-bin/mailman/listinfo/cluster</a><br>
                                        <br>
                                      </div>
                                    </blockquote>
                                  </div>
                                  <br>
                                </div>
                              </div>
                            </div>
                          </div>
                          <br>
_______________________________________________<br>
                          CLUSTER mailing list<br>
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                            target="_blank">http://radio-amador.net/cgi-bin/mailman/listinfo/cluster</a><br>
                          <br>
                        </blockquote>
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                      <br>
                    </div>
                    <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><br>
                    <br>
                  </blockquote>
                </div>
                <br>
                <fieldset></fieldset>
                <br>
                <pre>_______________________________________________
CLUSTER mailing list
<a moz-do-not-send="true" href="mailto:CLUSTER@radio-amador.net" target="_blank">CLUSTER@radio-amador.net</a>
<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><span class="HOEnZb"><font color="#888888">
</font></span></pre>
                <span class="HOEnZb"><font color="#888888"> </font></span></blockquote>
              <span class="HOEnZb"><font color="#888888"> <br>
                  <br>
                  <pre cols="72">-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 
Callsign: CT7ABP
QRA: Pedro Ribeiro
GRID Locator: IM58mr
QTH: S&atilde;o Francisco, Alcochete, Portugal
NET: <a moz-do-not-send="true" href="http://www.qrz.com/db/CT7ABP" target="_blank">http://www.qrz.com/db/CT7ABP</a>
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= </pre>
                </font></span></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">
        <br>
        -- <br>
        Cumprimentos;<br>
        <br>
        Lu&iacute;s Filipe Garcia S.
      </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>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 
Callsign: CT7ABP
QRA: Pedro Ribeiro
GRID Locator: IM58mr
QTH: S&atilde;o Francisco, Alcochete, Portugal
NET: <a class="moz-txt-link-freetext" href="http://www.qrz.com/db/CT7ABP">http://www.qrz.com/db/CT7ABP</a>
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= </pre>
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