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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0><tr><td valign=top style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:PT'>short dipole for 60 meter Tropical Band</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:PT'><br><br><i>By Enrique A. Wembagher, Argentina</i><br></span><span lang=EN-US style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666;mso-fareast-language:PT'>HCDX Antenna Special, 1 August 2004</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:PT'><br><br></span><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'>This is an antenna specially calculated for the tropical 60 meter band, with instructions for those who do not possess a lot of space attheir locations. <br><br>This antenna is a short dipole made up of inductores (L1 /L2) in half of each arm, based with the concept of inductive load.<br><br></span><span style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'><img width=475 height=210 id="Imagem_x0020_1" src="cid:image001.png@01CC4C60.26F05DC0" alt="Descrição: Dimensions of 60 meter tropicall dipole"></span><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'><br>The dimensions are shown in the figure. The L1/L2 can be built on tubes of PVC; the feeding slope to the receiver can be either coax of 50 or 75 ohms. <br><br><b>Construction</b><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'>Antenna:</span></b><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'> A total of 12 meters of wire, with a diameter of about 2 mm, divided into four sections. Insulators cn be of porcelain or PVC. To fasten the antenna one can use , thread of clothes for the anchorage. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'>L1/L2:</span></b><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'> Two tubes of PVC of 5 cm (2 inches) of diameter and approximately 20 cm of longitude. Roll 60 turns of wire of 1.5 mm on each tube, closely wound. A length of 10 meters of wire should be sufficient for each inductor. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:12.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:PT'>The diagram above show the disposition of the antenna with its respective inductors L1/L2.</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:PT'><o:p></o:p></span></p></td></tr></table><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>