{"id":1707,"date":"2024-11-26T11:37:04","date_gmt":"2024-11-26T10:37:04","guid":{"rendered":"https:\/\/www.scouts-europe.org\/scoutorama\/?p=1707"},"modified":"2025-02-11T14:52:53","modified_gmt":"2025-02-11T13:52:53","slug":"construire-son-antenne-dp27","status":"publish","type":"post","link":"https:\/\/www.scouts-europe.org\/scoutorama\/construire-son-antenne-dp27\/","title":{"rendered":"Construire son antenne DP27"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1707\" class=\"elementor elementor-1707\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8041808 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8041808\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7caf085\" data-id=\"7caf085\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4eb47f7 elementor-widget elementor-widget-heading\" data-id=\"4eb47f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Construire son antenne DP27<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-721ab5e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"721ab5e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d46eb97\" data-id=\"d46eb97\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c306bc5 elementor-widget elementor-widget-spacer\" data-id=\"c306bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f4c36d elementor-widget elementor-widget-text-editor\" data-id=\"4f4c36d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"chapo_article\"><div id=\"chapo_article li\"><div id=\"chapo_article\"><div id=\"chapo_article li\"><p>Lors des phases d\u2019\u00e9mission, dans l\u2019\u00e9metteur, l\u2019antenne, les radians et le c\u00e2ble coaxial, circulent des courants haute fr\u00e9quence de forte intensit\u00e9\u00a0! Afin d\u2019\u00e9viter tout risque d\u2019\u00e9lectrocution, il est indispensable d\u2019\u00e9viter tout contact avec ceux-ci. En cas d\u2019installation fixe (au Kraal par exemple), il peut \u00eatre prudent de baliser une zone de protection autour des dispositifs radio\u00e9lectriques.<\/p><p>En lisi\u00e8re de for\u00eat ou de sous-bois, l\u2019antenne DP27 permet d\u2019\u00e9tablir de bonnes liaisons partout o\u00f9 la \u00ab\u00a0PT27\u00a0\u00bb n\u2019est pas utilisable. D\u2019une construction robuste et simple, elle se glisse dans la poche du sac et se monte tr\u00e8s rapidement.<\/p><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5a854b elementor-widget elementor-widget-image\" data-id=\"b5a854b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"480\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/sde-170-ft-fm-transmission-construire-antenne-dp27-1-f1689.png\" class=\"attachment-large size-large wp-image-1709\" alt=\"sde 170 ft fm transmission construire antenne dp27 1 f1689\" srcset=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/sde-170-ft-fm-transmission-construire-antenne-dp27-1-f1689.png 400w, https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/sde-170-ft-fm-transmission-construire-antenne-dp27-1-f1689-250x300.png 250w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d924bf9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d924bf9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1730870\" data-id=\"1730870\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3776f13 elementor-widget elementor-widget-spacer\" data-id=\"3776f13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc64d2e elementor-widget elementor-widget-heading\" data-id=\"dc64d2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mat\u00e9riel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f26f0e elementor-widget elementor-widget-text-editor\" data-id=\"1f26f0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul class=\"spip\"><li>Deux brins de fil \u00e9lectrique gain\u00e9 de 2,60 m. Prendre de pr\u00e9f\u00e9rence du fil de cuivre tress\u00e9 pour courant fort (1,5 mm de diam\u00e8tre ou plus).<\/li><li>Trois morceaux de tube plastique. Fixer les bouts de brins de fil \u00e9lectrique sur les morceaux de tube comme indiqu\u00e9 sur le croquis. Les deux brins ne doivent pas \u00eatre reli\u00e9s entre eux sur le morceau du milieu.<\/li><li>Du c\u00e2ble coaxial de 75 Ohms (t\u00e9l\u00e9) avec sur un bout une prise pour raccord au poste de radio (type PL259, TNC ou BNC suivant mod\u00e8le). \u00c0 l\u2019autre bout du c\u00e2ble, raccorder l\u2019\u00e2me \u00e0 l\u2019un des brins de fil et la tresse \u00e0 l\u2019autre (enlever la gaine du fil pour obtenir un contact \u00e9lectrique).<\/li><li>Un lest attach\u00e9 \u00e0 l\u2019un des morceaux de tube (pierre, morceau de bois\u2026).<\/li><li>De la ficelle, un lasso pour attacher l\u2019antenne \u00e0 une branche d\u2019arbre.<\/li><\/ul><p>Attention \u00e0 bien respecter les longueurs de fil indiqu\u00e9es sur le croquis lors du montage pour obtenir le meilleur rendement.<\/p><p>L\u2019antenne sera d\u2019autant plus performante que le terrain autour de l\u2019arbre est d\u00e9gag\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d729aa6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d729aa6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-51648cf\" data-id=\"51648cf\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c83561 elementor-widget elementor-widget-spacer\" data-id=\"2c83561\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cac87b elementor-widget elementor-widget-heading\" data-id=\"5cac87b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Assemblage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26af085 elementor-widget elementor-widget-text-editor\" data-id=\"26af085\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le dessin ci-dessous te montre comment assembler l\u2019antenne DP27.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a4eabd elementor-widget elementor-widget-image\" data-id=\"6a4eabd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"266\" height=\"550\" src=\"https:\/\/www.scouts-europe.org\/scoutorama\/wp-content\/uploads\/sites\/99\/2024\/11\/sde-170-ft-fm-transmission-construire-antenne-dp27-2-7a73b.gif\" class=\"attachment-large size-large wp-image-1710\" alt=\"sde 170 ft fm transmission construire antenne dp27 2 7a73b\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lors des phases d\u2019\u00e9mission, dans l\u2019\u00e9metteur, l\u2019antenne, les radians et le c\u00e2ble coaxial, circulent des courants haute fr\u00e9quence de forte intensit\u00e9\u00a0! Afin d\u2019\u00e9viter tout risque d\u2019\u00e9lectrocution, il est indispensable d\u2019\u00e9viter tout contact avec ceux-ci. En cas d\u2019installation fixe (au Kraal par exemple), il peut \u00eatre prudent de baliser une zone de protection autour des dispositifs radio\u00e9lectriques.<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[63,24],"tags":[],"class_list":["post-1707","post","type-post","status-publish","format-standard","hentry","category-radio-telephone","category-transmissions"],"_links":{"self":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/1707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/comments?post=1707"}],"version-history":[{"count":10,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/1707\/revisions"}],"predecessor-version":[{"id":6575,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/posts\/1707\/revisions\/6575"}],"wp:attachment":[{"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/media?parent=1707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/categories?post=1707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.scouts-europe.org\/scoutorama\/wp-json\/wp\/v2\/tags?post=1707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}