<div dir="ltr">Se fizermos as contas e mantendo os canais de salvaguarda no inicio e fim do segmento, chegamos à conclusão e é possivel ter 30 canais a 6,25 kHz de separação.<br><br>Como este segmento é completamente "livre", tem de se ter bastante cuidado de ler com muita atenção os dados tecnicos dos equipamentos a adquirir, especialmente quando estes fazem uso dos sistemas de voz digital. Relativamente ao sistema analogico, a coisa é muito mais simples, pois tendo uma separação de 6,25 kHz entre canais será em principio em FM Estreito (NFM), no entanto e pelos exemplos já dados, um "canal 1" nuns pode não corresponder em termos de frequencias noutros. <div><br></div><div>Parece-me que se esta recomendação for aceite pelo um numero significativo de entidades, vamos ter rapidamente equipamentos com aproximadamente 30 canais, mas que na pratica vão ser menos, pois tal como se passou no CB (caso dos canais intermedios e particularmente do canal 23) e para efeitos de compatibilidade historica com o que já existe, o "gap" entre os canal 8 e 9 terá a tendencia de se manter.<div><br></div><div>João Costa (CT1FBF)</div><div><p align="justify" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px">A lacuna existente entre o canal 22 e o canal 23, foi preenchida pelos canais 24 e 25 por razões históricas. Nos U.S.A. (Estados Unidos da América), antes de a Banda do Cidadão ser uma frequência atribuída à população em geral, já existia uma faixa de frequência na banda dos 11 metros (26,960 a 27,230 MHz), utilizada por radioamadores, e uma frequência para os dispositivos de rádio-controlo (27,255 MHz).<br>Só mais tarde, a partir de 1953, é que foi autorizado o serviço de rádio-pessoal - Citizen’s Band (Banda do Cidadão ou CB) funcionando, inicialmente, só com 23 canais nos 27 MHz.</p><table border="1" align="center" cellpadding="0" cellspacing="0" class="excel16" style="font-family:"times new roman""><colgroup><col width="215" style="width:161pt"><col width="117" style="width:88pt"><col width="39" style="width:29pt"><col width="215" style="width:161pt"><col width="117" style="width:88pt"></colgroup><tbody><tr height="27" style="height:20.25pt"><td height="27" class="gmail-tx_005" width="215" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:20.25pt;width:161pt"><div align="center">CANAIS</div></td><td class="gmail-tx_005" width="117" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-left:none;width:88pt"><div align="center">FREQUÊNCIA</div></td><td class="gmail-tx_005" width="39" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-left:none;width:29pt"> </td><td class="gmail-tx_005" width="215" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-left:none;width:161pt"><div align="center">CANAIS</div></td><td class="gmail-tx_005" width="117" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-left:none;width:88pt"><div align="center">FREQUÊNCIA</div></td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 1</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">26,965 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 19</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,185 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 2</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">26,975 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal intermédio 5 </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,195 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 3</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">26,985 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 20</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,205 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal intermédio 1</td><td class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">26,995 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 21</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,215 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 4</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,005 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 22</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,225 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 5</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,015 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">Canal 23</td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">27,255 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 6</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,025 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">Canal 24</td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">27,235 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 7</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,035 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">Canal 25</td><td class="gmail-tx_005 gmail-style1" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;font-weight:bold;border-top:none;border-left:none">27,245 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal intermédio 2</td><td class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,045 MHz </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 26</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,265 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 8</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,055 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 27</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,275 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 9</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,065 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 28</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,285 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 10</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,075 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 29</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,295 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 11</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,085 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 30</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,305 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal intermédio 3</td><td class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,095 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 31</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,315 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 12</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,105 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 32</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,325 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 13</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,115 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 33</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,335 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 14</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,125 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 34</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,345 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 15</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,135 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 35</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,355 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal intermédio 4</td><td class="gmail-tx_005 gmail-style2" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,145 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 36</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,365 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 16</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,155 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 37</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,375 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 17</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,165 MHz </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 38</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,385 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none">Canal 18</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,175 MHz</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 39</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,395 MHz</td></tr><tr height="21" style="height:15.95pt"><td height="21" class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;height:15.95pt;border-top:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none"> </td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">Canal 40</td><td class="gmail-tx_005" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:11px;border-top:none;border-left:none">27,405 MHz</td></tr></tbody></table><p style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium"><span class="gmail-tx_003" style="font-family:verdana,geneva,arial,helvetica,sans-serif;color:rgb(42,42,42);font-size:9px">Fonte: Portugal Rádio CB - 23 de Junho de 2010</span></p><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">Em 11 de outubro de 2016 12:20, CS7AGH <span dir="ltr"><<a href="mailto:cs7agh@sapo.pt" target="_blank">cs7agh@sapo.pt</a>></span> escreveu:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div class="m_2831988681622150399moz-cite-prefix">Bom complemento, como sempre João.<br>
Obrigado.<br>
<br>
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<blockquote type="cite">
<pre>Basicamente trata-se de harmonizar o segmento PMR analógico (canais 1
a 8) com o digital (canais 9 a16).
No entanto, continua a existir um "gap", ainda não resolvido entre o
canal 8 e o 9:
Canal 01: 446,00625 MHz
Canal 02: 446,01875 MHz
Canal 03: 446,03125 MHz
Canal 04: 446,04375 MHz
Canal 05: 446,05625 MHz
Canal 06: 446,06875 MHz
Canal 07: 446,08125 MHz
Canal 08: 446,09375 MHz
</pre>
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<pre>Canal 09: 446,10625 MHz
Canal 10: 446,11875 MHz
Canal 11: 446,13125 MHz
Canal 12: 446,14375 MHz
Canal 13: 446,15625 MHz
Canal 14: 446,16875 MHz
Canal 15: 446,18125 MHz
Canal 16: 446,19375 MHz
Para complicar a questão existe um segmento de 16 canais no sistema de
voz digital (FDMA) que não é compatível com a anterior canalização
muito embora respeite a norma da recomendação de 6,25 kHz de separação
entre canais:
(CHANNEL) FREQUENCY MODE
(PMRD1) 446.103125 MHz dPMR or NFM Simplex
(PMRD2) 446.109375 MHz dPMR or NFM Simplex
(PMRD3) 446.115625 MHz dPMR or NFM Simplex
(PMRD4) 446.121875 MHz dPMR or NFM Simplex
(PMRD5) 446.128125 MHz dPMR or NFM Simplex
(PMRD6) 446.134375 MHz dPMR or NFM Simplex
(PMRD7) 446.140625 MHz dPMR or NFM Simplex
(PMRD8) 446.146875 MHz dPMR or NFM Simplex
(PMRD9) 446.153125 MHz dPMR or NFM Simplex
(PMRD10) 446.159375 MHz dPMR or NFM Simplex
(PMRD11) 446.165625 MHz dPMR or NFM Simplex
(PMRD12) 446.171875 MHz dPMR or NFM Simplex
(PMRD13) 446.178125 MHz dPMR or NFM Simplex
(PMRD14) 446.184375 MHz dPMR or NFM Simplex
(PMRD15) 446.190625 MHz dPMR or NFM Simplex
(PMRD16) 446.196875 MHz dPMR or NFM Simplex
Basicamente o que a norma da recomendação preconiza é que o segmento
entre 446,0 a 446,2 MHz, com uma canalização de 6,25 kHz de separação
entre canais passa a ser consignado mediante aprovação local, pais a
pais, ao PMR. Daqui se depreende que no futuro podem vir a existir
mais canais recorrendo a uma outra canalização mantendo a separação
entre canais de 6,25 kHz entre 446,0 a 446,200000 MHz.
João Costa (CT1FBF)
2016-10-10 17:53 GMT+01:00 CS7AGH <a class="m_2831988681622150399moz-txt-link-rfc2396E" href="mailto:cs7agh@sapo.pt" target="_blank"><cs7agh@sapo.pt></a>:
</pre>
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<pre>16 Channel PMR “Legal Across All EU” UHF CB Starts?
<a class="m_2831988681622150399moz-txt-link-freetext" href="http://simonthewizard.com/2016/10/10/16-channel-pmr-legal-across-all-eu-uhf-cb-starts" target="_blank">http://simonthewizard.com/<wbr>2016/10/10/16-channel-pmr-<wbr>legal-across-all-eu-uhf-cb-<wbr>starts</a>
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<pre class="m_2831988681622150399moz-signature" cols="72">--
73,
Paulo
CS7AGH
A.R.L.A. #100 / DMC #08386 / EPC #25379 / Field Radio Operator #IFR212 / Portuguese QRP Radio Club #079 / QRP Respect #295 / SKCC #12615</pre>
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