A evolução no áudio
Autor: PY1BT | Publicado: 2012-03-05T12:25:00-08:00

                                    
<!--
 /* Font Definitions */
 @font-face
 {font-family:"Cambria Math";
 panose-1:2 4 5 3 5 4 6 3 2 4;
 mso-font-charset:0;
 mso-generic-font-family:roman;
 mso-font-pitch:variable;
 mso-font-signature:-1610611985 1107304683 0 0 159 0;}
@font-face
 {font-family:Verdana;
 panose-1:2 11 6 4 3 5 4 4 2 4;
 mso-font-charset:0;
 mso-generic-font-family:swiss;
 mso-font-pitch:variable;
 mso-font-signature:536871559 0 0 0 415 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
 {mso-style-unhide:no;
 mso-style-qformat:yes;
 mso-style-parent:"";
 margin:0cm;
 margin-bottom:.0001pt;
 mso-pagination:widow-orphan;
 font-size:12.0pt;
 font-family:"Times New Roman","serif";
 mso-fareast-font-family:"Times New Roman";}
span.EstiloDeEmail15
 {mso-style-type:personal;
 mso-style-noshow:yes;
 mso-style-unhide:no;
 mso-ansi-font-size:10.0pt;
 mso-bidi-font-size:10.0pt;
 font-family:"Arial","sans-serif";
 mso-ascii-font-family:Arial;
 mso-hansi-font-family:Arial;
 mso-bidi-font-family:Arial;
 color:windowtext;}
.MsoChpDefault
 {mso-style-type:export-only;
 mso-default-props:yes;
 font-size:10.0pt;
 mso-ansi-font-size:10.0pt;
 mso-bidi-font-size:10.0pt;}
@page Section1
 {size:612.0pt 792.0pt;
 margin:70.85pt 3.0cm 70.85pt 3.0cm;
 mso-header-margin:36.0pt;
 mso-footer-margin:36.0pt;
 mso-paper-source:0;}
div.Section1
 {page:Section1;}
-->

                                    
<!--
 /* Font Definitions */
 @font-face
 {font-family:"Cambria Math";
 panose-1:2 4 5 3 5 4 6 3 2 4;
 mso-font-charset:0;
 mso-generic-font-family:roman;
 mso-font-pitch:variable;
 mso-font-signature:-1610611985 1107304683 0 0 159 0;}
@font-face
 {font-family:Verdana;
 panose-1:2 11 6 4 3 5 4 4 2 4;
 mso-font-charset:0;
 mso-generic-font-family:swiss;
 mso-font-pitch:variable;
 mso-font-signature:536871559 0 0 0 415 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
 {mso-style-unhide:no;
 mso-style-qformat:yes;
 mso-style-parent:"";
 margin:0cm;
 margin-bottom:.0001pt;
 mso-pagination:widow-orphan;
 font-size:12.0pt;
 font-family:"Times New Roman","serif";
 mso-fareast-font-family:"Times New Roman";}
p
 {mso-style-priority:99;
 mso-margin-top-alt:auto;
 margin-right:0cm;
 mso-margin-bottom-alt:auto;
 margin-left:0cm;
 mso-pagination:widow-orphan;
 font-size:12.0pt;
 font-family:"Times New Roman","serif";
 mso-fareast-font-family:"Times New Roman";}
.MsoChpDefault
 {mso-style-type:export-only;
 mso-default-props:yes;
 font-size:10.0pt;
 mso-ansi-font-size:10.0pt;
 mso-bidi-font-size:10.0pt;}
@page Section1
 {size:612.0pt 792.0pt;
 margin:1.0cm 1.0cm 1.0cm 1.0cm;
 mso-header-margin:35.45pt;
 mso-footer-margin:35.45pt;
 mso-paper-source:0;}
div.Section1
 {page:Section1;}
-->
  
<!--[if gte mso 9]>     Normal   0         21         false   false   false      PT-BR   X-NONE   X-NONE                                                     MicrosoftInternetExplorer4                                                   <!--[endif]--><!--[if gte mso 9]>  <w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"
  DefSemiHidden="true" DefQFormat="false" DefPriority="99"
  LatentStyleCount="267">   <w:LsdException Locked="false" Priority="0" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Normal"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="heading 1"/>                                                         <w:LsdException Locked="false" Priority="10" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Title"/>      <w:LsdException Locked="false" Priority="11" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Subtitle"/>   <w:LsdException Locked="false" Priority="22" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Strong"/>   <w:LsdException Locked="false" Priority="20" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Emphasis"/>   <w:LsdException Locked="false" Priority="59" SemiHidden="false"
   UnhideWhenUsed="false" Name="Table Grid"/>      <w:LsdException Locked="false" Priority="1" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="No Spacing"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 1"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 1"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 1"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 1"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 1"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 1"/>      <w:LsdException Locked="false" Priority="34" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="List Paragraph"/>   <w:LsdException Locked="false" Priority="29" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Quote"/>   <w:LsdException Locked="false" Priority="30" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Intense Quote"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 1"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 1"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 1"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 1"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 1"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 1"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 1"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 1"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 2"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 2"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 2"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 2"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 2"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 2"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 2"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 2"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 2"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 2"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 2"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 2"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 2"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 2"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 3"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 3"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 3"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 3"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 3"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 3"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 3"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 3"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 3"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 3"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 3"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 3"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 3"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 3"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 4"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 4"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 4"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 4"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 4"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 4"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 4"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 4"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 4"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 4"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 4"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 4"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 4"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 4"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 5"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 5"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 5"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 5"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 5"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 5"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 5"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 5"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 5"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 5"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 5"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 5"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 5"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 5"/>   <w:LsdException Locked="false" Priority="60" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Shading Accent 6"/>   <w:LsdException Locked="false" Priority="61" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light List Accent 6"/>   <w:LsdException Locked="false" Priority="62" SemiHidden="false"
   UnhideWhenUsed="false" Name="Light Grid Accent 6"/>   <w:LsdException Locked="false" Priority="63" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/>   <w:LsdException Locked="false" Priority="64" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/>   <w:LsdException Locked="false" Priority="65" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/>   <w:LsdException Locked="false" Priority="66" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/>   <w:LsdException Locked="false" Priority="67" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/>   <w:LsdException Locked="false" Priority="68" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/>   <w:LsdException Locked="false" Priority="69" SemiHidden="false"
   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/>   <w:LsdException Locked="false" Priority="70" SemiHidden="false"
   UnhideWhenUsed="false" Name="Dark List Accent 6"/>   <w:LsdException Locked="false" Priority="71" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/>   <w:LsdException Locked="false" Priority="72" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful List Accent 6"/>   <w:LsdException Locked="false" Priority="73" SemiHidden="false"
   UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/>   <w:LsdException Locked="false" Priority="19" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/>   <w:LsdException Locked="false" Priority="21" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/>   <w:LsdException Locked="false" Priority="31" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/>   <w:LsdException Locked="false" Priority="32" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/>   <w:LsdException Locked="false" Priority="33" SemiHidden="false"
   UnhideWhenUsed="false" QFormat="true" Name="Book Title"/>         <![endif]-->
<!--
 /* Font Definitions */
 @font-face
 {font-family:"Cambria Math";
 panose-1:2 4 5 3 5 4 6 3 2 4;
 mso-font-charset:0;
 mso-generic-font-family:roman;
 mso-font-pitch:variable;
 mso-font-signature:-1610611985 1107304683 0 0 159 0;}
@font-face
 {font-family:Verdana;
 panose-1:2 11 6 4 3 5 4 4 2 4;
 mso-font-charset:0;
 mso-generic-font-family:swiss;
 mso-font-pitch:variable;
 mso-font-signature:536871559 0 0 0 415 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
 {mso-style-unhide:no;
 mso-style-qformat:yes;
 mso-style-parent:"";
 margin:0cm;
 margin-bottom:.0001pt;
 mso-pagination:widow-orphan;
 font-size:12.0pt;
 font-family:"Times New Roman","serif";
 mso-fareast-font-family:"Times New Roman";}
p
 {mso-style-priority:99;
 mso-margin-top-alt:auto;
 margin-right:0cm;
 mso-margin-bottom-alt:auto;
 margin-left:0cm;
 mso-pagination:widow-orphan;
 font-size:12.0pt;
 font-family:"Times New Roman","serif";
 mso-fareast-font-family:"Times New Roman";}
.MsoChpDefault
 {mso-style-type:export-only;
 mso-default-props:yes;
 font-size:10.0pt;
 mso-ansi-font-size:10.0pt;
 mso-bidi-font-size:10.0pt;}
@page Section1
 {size:612.0pt 792.0pt;
 margin:1.0cm 1.0cm 1.0cm 1.0cm;
 mso-header-margin:35.45pt;
 mso-footer-margin:35.45pt;
 mso-paper-source:0;}
div.Section1
 {page:Section1;}
-->
<!--[if gte mso 10]> 
 /* Style Definitions */
 table.MsoNormalTable
 {mso-style-name:"Tabela normal";
 mso-tstyle-rowband-size:0;
 mso-tstyle-colband-size:0;
 mso-style-noshow:yes;
 mso-style-priority:99;
 mso-style-qformat:yes;
 mso-style-parent:"";
 mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
 mso-para-margin:0cm;
 mso-para-margin-bottom:.0001pt;
 mso-pagination:widow-orphan;
 font-size:11.0pt;
 font-family:"Calibri","sans-serif";
 mso-ascii-font-family:Calibri;
 mso-ascii-theme-font:minor-latin;
 mso-fareast-font-family:"Times New Roman";
 mso-fareast-theme-font:minor-fareast;
 mso-hansi-font-family:Calibri;
 mso-hansi-theme-font:minor-latin;
 mso-bidi-font-family:"Times New Roman";
 mso-bidi-theme-font:minor-bidi;}
 <![endif]-->  Quantos de nós já não fomos surpreendidos, com o avançar da hora, durante o dia ou à noite, por estarmos engajados na construção, desenvolvimento e aprimoramento de antenas, amplificadores lineares, linhas de transmissão, equipamentos de construção próprios, filtros, microfones etc... Alguns de nós mais adeptos à prática de uma modalidade, outros mais ligados a outras.
Quantas vezes deixamos de estar com nossos familiares e amigos em detrimento dos estudos, pertinentes ao nosso hobby, sobre os mais variados assuntos. 
Uma conversa amiga, um encontro casual em determinada freqüência ou simplesmente uma sintonia que resulta, na maioria das vezes, em um pedido de desculpas, pois não se teve a intenção em prejudicar a outra estação.
Radioamadorismo é assim, caracteriza-se pela ajuda mútua entre os seus integrantes e principalmente pela pesquisa, e através desta, grandes avanços já foram incorporados aos equipamentos de amador.&nbsp; 
Já não é de hoje, que convivemos com o ingresso cada vez mais intenso, da digitalização, nos transceptores de amador, no que tange à recepção e a transmissão de sinais variados, sem levarmos em conta, a facilidade com a qual o processo digital interage nas mais variadas modalidades inseridas no radioamadorismo.S meters, Tuners, Memórias, Scans, Menus, Displays, mudanças e avanços em geral, sejam através de um simples controle de equalizador interno de microfone ou em um sofisticado sistema de variação na banda passante de RX e TX, através de processadores cada vez mais rápidos, precisos e eficientes.
Vemos e presenciamos a cada dia, que as experiências realizadas por nós, radioamadores, foram e continuarão sendo incorporadas aos lançamentos dos fabricantes. 
No campo do áudio, por exemplo, podemos destacar o equalizador paramétrico introduzido nos equipamentos da linha Yaesu, modelos, FT 950, FT2000/D, FT5000DX/D/MP, FT9000DX/D/MP, este ultimo com entrada balanceada para microfone no painel frontal, sem contar os inúmeros transceptores de outros fabricantes que hoje em dia, possuem variações na banda passante de RX e TX e outros tantos facilitadores de operação.
A tecnologia digital trouxe uma série de benefícios para a humanidade, inclusive para nós radioamadores. Contudo para aqueles que se identificam com o processamento de áudio, dentro do radioamadorismo, o upgrade foi surpreendente. Módulos de conversão AD/DA, diagramações cada vez mais elaboradas e custos cada vez mais reduzidos, nos oferecem a possibilidade de aprimorar não só a qualidade da transmissão dos sinais de áudio, mas principalmente a recepção destes. 
É muito importante que os avanços tecnológicos, com os quais nos relacionamos todos os dias, sejam entendidos, assimilados e aceitos cada vez mais por nós amadores, para que assim desenvolvamos o nosso hobby. 
As palavras áudio e processamento foram incorporadas e estão mais do que nunca presentes no dia a dia do radioamadorismo, ao contrário do que alguns, infelizmente pensam e defendem como um modismo, haja vista a importância que este binômio espelha na nossa pesquisa diária para melhorar os sinais de áudio na RX e TX.
Humberto,py1ttn@yahoo.com.br