{"id":3083,"date":"2018-12-02T23:07:02","date_gmt":"2018-12-02T23:07:02","guid":{"rendered":"https:\/\/ct1jqj.eu\/?p=3083"},"modified":"2018-12-02T23:07:02","modified_gmt":"2018-12-02T23:07:02","slug":"j-pole-dual-band","status":"publish","type":"post","link":"https:\/\/ct1jqj.eu\/?p=3083","title":{"rendered":"J-Pole Dual Band"},"content":{"rendered":"<div class=\"pld-like-dislike-wrap pld-template-4\">\r\n    <div class=\"pld-like-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-like-trigger pld-like-dislike-trigger  \" title=\"\" data-post-id=\"3083\" data-trigger-type=\"like\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                        <i class=\"far fa-smile\"><\/i>\r\n                    <\/a>\r\n    <span class=\"pld-like-count-wrap pld-count-wrap\">    <\/span>\r\n<\/div><div class=\"pld-dislike-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-dislike-trigger pld-like-dislike-trigger  \" title=\"\" data-post-id=\"3083\" data-trigger-type=\"dislike\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                        <i class=\"far fa-frown\"><\/i>\r\n                    <\/a>\r\n    <span class=\"pld-dislike-count-wrap pld-count-wrap\"><\/span>\r\n<\/div><\/div><p style=\"text-align: justify;\">Mais um achado&#8230;<\/p>\n<p style=\"text-align: justify;\">Data original de publica\u00e7\u00e3o: 05\/04\/2007<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #808080;\">Provavelmente os OM mais antigos (e mais experientes que eu) dever\u00e3o ter ouvido falar nestas antenas para VHF e UHF. Depois de ver este <a style=\"color: #808080;\" href=\"http:\/\/www.antennamania.net\/144-430_jpole.htm\" target=\"blank\" rel=\"noopener noreferrer\">site<\/a> decidi construir uma de testes e gostei dos resultados, testada com um medidor MFJ obtive os seguintes resultados:<\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"color: #808080;\">VHF 144-146 Mhz: 1.2 SWR, 99% rendimento<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #808080;\">UHF 430-440 Mhz: 1.8 SWR, 87% rendimento<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #808080;\">Nada mau para uma constru\u00e7\u00e3o caseira, fica aqui em tom de ideia para quem quiser testar! Algumas fotografias do meu prot\u00f3tipo:<\/span><\/p>\n\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-3083 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ct1jqj.eu\/?attachment_id=4070'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/ct1jqj.eu\/wp-content\/uploads\/2018\/12\/06042007440-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ct1jqj.eu\/?attachment_id=4071'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/ct1jqj.eu\/wp-content\/uploads\/2018\/12\/06042007441-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ct1jqj.eu\/?attachment_id=4069'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/ct1jqj.eu\/wp-content\/uploads\/2018\/12\/06042007439-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify;\">Curiosamente houve quem na altura criticasse a antena pelo desenho artesanal, mas o que \u00e9 certo \u00e9 que foi levada para uma feira algum tempo depois e foi logo vendida!<\/p>\n<p>73&#8217;s<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mais um achado&#8230; Data original de publica\u00e7\u00e3o: 05\/04\/2007 Provavelmente os OM mais antigos (e mais experientes que eu) dever\u00e3o ter ouvido falar nestas antenas para VHF e UHF. Depois de ver este site decidi construir uma de testes e gostei dos resultados, testada com um medidor MFJ obtive os seguintes resultados: VHF 144-146 Mhz: 1.2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[32,42,144,202],"class_list":["post-3083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fundo-do-bau","tag-144mhz","tag-430mhz","tag-dualband","tag-jpole"],"_links":{"self":[{"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/posts\/3083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3083"}],"version-history":[{"count":0,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/posts\/3083\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=\/wp\/v2\/media\/4346"}],"wp:attachment":[{"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ct1jqj.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}