{"id":1902,"date":"2026-07-21T10:32:09","date_gmt":"2026-07-21T08:32:09","guid":{"rendered":"https:\/\/f5len.org\/blog\/?p=1902"},"modified":"2026-07-21T10:37:17","modified_gmt":"2026-07-21T08:37:17","slug":"open-wire-feedline-multiband-antenna-calculator","status":"publish","type":"post","link":"https:\/\/f5len.org\/blog\/open-wire-feedline-multiband-antenna-calculator\/","title":{"rendered":"Open wire feedline multiband antenna calculator"},"content":{"rendered":"<p>Autrement dit, calculateur d&rsquo;antenne L\u00e9vy pour les fran\u00e7ais.<br \/>\nCar oui ces dip\u00f4les aliment\u00e9s au centre par une ligne bifilaire ne s&rsquo;appellent \u00ab\u00a0L\u00e9vy\u00a0\u00bb qu&rsquo;en France.<br \/>\nPour m\u00e9moire, vous pouvez vous reporter utilement aux articles sur ces antennes:<br \/>\n<a href=\"http:\/\/www.f5len.org\/articles\/antennes\/zeppelin_et_levy.pdf\">Les antennes d\u2019\u00e9mission Zeppelin et L\u00e9vy<\/a>\u00a0F8JD Radio-REF 1947.<br \/>\n<a href=\"http:\/\/www.f5len.org\/articles\/antennes\/Propos_sur_les_antennes.pdf\" target=\"_blank\" rel=\"noopener\">Propos sur les antennes<\/a>\u00a0F3LG Radio REF 1966<br \/>\n<a href=\"http:\/\/www.f5len.org\/articles\/antennes\/Antennes_et_lignes_a_ondes_stationnaires.pdf\" target=\"_blank\" rel=\"noopener\">Antennes et lignes \u00e0 ondes stationnaires<\/a>\u00a0I et II F3LG Radio REF 1977<br \/>\n<a href=\"http:\/\/www.f5len.org\/articles\/antennes\/L_antenne_levy.pdf\" target=\"_blank\" rel=\"noopener\">L\u2019antenne L\u00e9vy\u00a0<\/a>F8OP Radio REF 1980<\/p>\n<p><a href=\"http:\/\/f5len.org\/blog\/wp-content\/uploads\/2026\/07\/feedline_length.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1905\" src=\"http:\/\/f5len.org\/blog\/wp-content\/uploads\/2026\/07\/feedline_length.png\" alt=\"\" width=\"762\" height=\"373\" srcset=\"https:\/\/f5len.org\/blog\/wp-content\/uploads\/2026\/07\/feedline_length.png 762w, https:\/\/f5len.org\/blog\/wp-content\/uploads\/2026\/07\/feedline_length-300x147.png 300w, https:\/\/f5len.org\/blog\/wp-content\/uploads\/2026\/07\/feedline_length-500x245.png 500w\" sizes=\"auto, (max-width: 762px) 100vw, 762px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>L&rsquo;id\u00e9e de ce calculateur est de permettre d&rsquo;\u00e9valuer l&rsquo;imp\u00e9dence en bas de la ligne<br \/>\npour permettre de savoir si on se trouve dans une plage d&rsquo;imp\u00e9dance faible ou mod\u00e9r\u00e9e (couplage s\u00e9rie) ou \u00e9lev\u00e9e (couplage parall\u00e8le).<br \/>\nOn indique les bandes sur lesquelles on souhaite travailler, la longueur disponible pour le dip\u00f4le et la longueur de la ligne d&rsquo;alimentation. C&rsquo;est tout.<br \/>\nAttention, pas de miracle \u00e0 attendre, les bandes doivent se trouver en relation harmonique et une antenne de ce type qui couvre toute les bandes n&rsquo;existe pas.<br \/>\nOu alors, il y a un gros soucis de pertes&#8230;<\/p>\n<p>Le calculateur se trouve ici:<br \/>\n<a href=\"https:\/\/f5len.org\/tools\/calculateurs\/Levy\/calculateur-levy.html\">https:\/\/f5len.org\/tools\/calculateurs\/Levy\/calculateur-levy.html<\/a><br \/>\net une version anglais ici:<br \/>\n<a href=\"https:\/\/f5len.org\/tools\/calculateurs\/Levy\/calculateur-levy-en.html\">https:\/\/f5len.org\/tools\/calculateurs\/Levy\/calculateur-levy-en.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Autrement dit, calculateur d&rsquo;antenne L\u00e9vy pour les fran\u00e7ais. Car oui ces dip\u00f4les aliment\u00e9s au centre par une ligne bifilaire ne s&rsquo;appellent \u00ab\u00a0L\u00e9vy\u00a0\u00bb qu&rsquo;en France. Pour m\u00e9moire, vous pouvez vous reporter utilement aux articles sur ces antennes: Les antennes d\u2019\u00e9mission Zeppelin &hellip; <a href=\"https:\/\/f5len.org\/blog\/open-wire-feedline-multiband-antenna-calculator\/\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[266,267,183,265,264],"class_list":["post-1902","post","type-post","status-publish","format-standard","hentry","category-general","tag-antenne-levy","tag-antenne-multibandes","tag-calculator","tag-multiband-antenna","tag-open-wire-feedline"],"_links":{"self":[{"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/posts\/1902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/comments?post=1902"}],"version-history":[{"count":2,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/posts\/1902\/revisions"}],"predecessor-version":[{"id":1906,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/posts\/1902\/revisions\/1906"}],"wp:attachment":[{"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/media?parent=1902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/categories?post=1902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f5len.org\/blog\/wp-json\/wp\/v2\/tags?post=1902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}