{"id":129,"date":"2016-06-06T19:30:04","date_gmt":"2016-06-06T17:30:04","guid":{"rendered":"http:\/\/www.iz2zph.eu\/?page_id=129"},"modified":"2016-08-25T14:19:41","modified_gmt":"2016-08-25T12:19:41","slug":"antenne-verticali-accorciate","status":"publish","type":"post","link":"https:\/\/www.iz2zph.eu\/?p=129","title":{"rendered":"Verticali accorciate"},"content":{"rendered":"<p>Un compromesso? certo come ogni antenna&#8230;.<\/p>\n<p>ma ci si pu\u00f2 divertire&#8230;&#8230;<\/p>\n<p style=\"text-align: center;\"><strong>30 metri \/ verticale caricata al centro \/ singolo radiale coassiale elevato da 1\/4wl<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>supporto 4 metri<\/strong><\/p>\n<figure id=\"attachment_515\" aria-describedby=\"caption-attachment-515\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-515 size-full\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/30m.jpg\" alt=\"30m\" width=\"500\" height=\"252\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/30m.jpg 500w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/30m-300x151.jpg 300w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/30m-250x126.jpg 250w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/30m-150x76.jpg 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-515\" class=\"wp-caption-text\">bobina 40 metri<\/figcaption><\/figure>\n<figure id=\"attachment_163\" aria-describedby=\"caption-attachment-163\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-163\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_21_29_59_Pro1-1024x910.jpg\" alt=\"loadedvert[1]\" width=\"500\" height=\"444\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_21_29_59_Pro1-1024x910.jpg 1024w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_21_29_59_Pro1-300x266.jpg 300w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_21_29_59_Pro1-768x682.jpg 768w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_21_29_59_Pro1.jpg 1736w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-163\" class=\"wp-caption-text\">bobina 30 metri<\/figcaption><\/figure>\n<figure id=\"attachment_165\" aria-describedby=\"caption-attachment-165\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_19_53_46_Pro1-1024x577.jpg\" alt=\"vert\" width=\"500\" height=\"282\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_19_53_46_Pro1-1024x577.jpg 1024w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_19_53_46_Pro1-300x169.jpg 300w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/WP_20160525_19_53_46_Pro1-768x433.jpg 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-165\" class=\"wp-caption-text\">antenna 30 metri in costruzione<\/figcaption><\/figure>\n<figure id=\"attachment_166\" aria-describedby=\"caption-attachment-166\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-166\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/vert30.jpg\" alt=\"vert40\" width=\"500\" height=\"888\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/vert30.jpg 563w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/vert30-169x300.jpg 169w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-166\" class=\"wp-caption-text\">40 metri \/ verticale caricata al centro \/ singolo radiale coassiale elevato da 1\/4wl\/supporto 4 metri<\/figcaption><\/figure>\n<p style=\"text-align: left;\">I radiali coassiali da 1\/4wl si realizzano semplicemente con un tratto di cavo coassiale di lunghezza pari a 1\/4 onda moltiplicato per il VF del cavo (0.66 per rg58 o 174, 0.8 per cavi sat o foam)<\/p>\n<p style=\"text-align: left;\">dopo averlo misurato si collega in parallelo alla discesa e dalla parte opposta i due conduttori sono circuitati. Meccanicamente si semplifica molto utilizzando un connettore a &#8216;T&#8217; e intestando il radiatore ed il radiale con un pl, come nelle foto sopra..Inizialmente il radiale avr\u00e0 una lunghezza maggiore di quella calcolata, che andr\u00e0 progressivamente ridotta fino al raggiungimento del perfetto adattamento. Il radiale deve essere sollevato dal terreno di almeno un metro.<\/p>\n<figure id=\"attachment_744\" aria-describedby=\"caption-attachment-744\" style=\"width: 220px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-744\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/radel.jpg\" alt=\"radel\" width=\"220\" height=\"182\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/radel.jpg 400w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/radel-300x248.jpg 300w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/radel-182x150.jpg 182w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/radel-150x124.jpg 150w\" sizes=\"(max-width: 220px) 100vw, 220px\" \/><figcaption id=\"caption-attachment-744\" class=\"wp-caption-text\">singolo radiale coassiale realizzato con RG58\/223\/174<\/figcaption><\/figure>\n<hr \/>\n<p style=\"text-align: center;\">in alternativa radiali sintonizzabili\u00a0oppure con un elemento analogo al radiatore<\/p>\n<figure id=\"attachment_185\" aria-describedby=\"caption-attachment-185\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-185 size-full\" src=\"http:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/taper.jpg\" alt=\"taper\" width=\"400\" height=\"124\" srcset=\"https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/taper.jpg 400w, https:\/\/www.iz2zph.eu\/wp-content\/uploads\/2016\/06\/taper-300x93.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-185\" class=\"wp-caption-text\">radiale flessibile regolabile<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Un compromesso? certo come ogni antenna&#8230;. ma ci si pu\u00f2 divertire&#8230;&#8230; 30 metri \/ verticale caricata al centro \/ singolo radiale coassiale elevato da 1\/4wl supporto 4 metri I radiali coassiali da 1\/4wl si realizzano semplicemente con un tratto di<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/www.iz2zph.eu\/?p=129\">Continua a leggere <span class=\"screen-reader-text\">Verticali accorciate<\/span><span class=\"meta-nav\"> &#8250;<\/span><\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,92,93],"tags":[90],"class_list":["post-129","post","type-post","status-publish","format-standard","hentry","category-antenne","category-hf","category-portatile","tag-verticali-hf-accorciate"],"_links":{"self":[{"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/posts\/129"}],"collection":[{"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=129"}],"version-history":[{"count":19,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":747,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions\/747"}],"wp:attachment":[{"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iz2zph.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}