{"id":1577,"date":"2021-07-30T11:31:42","date_gmt":"2021-07-30T09:31:42","guid":{"rendered":"http:\/\/f6kmf.fr\/?p=1577"},"modified":"2021-07-30T11:31:44","modified_gmt":"2021-07-30T09:31:44","slug":"antenne-topfkreis-bande-70-cm-et-pmr-facile-a-regler","status":"publish","type":"post","link":"https:\/\/f6kmf.fr\/index.php\/2021\/07\/30\/antenne-topfkreis-bande-70-cm-et-pmr-facile-a-regler\/","title":{"rendered":"Antenne TOPFKREIS Bande 70 cm (et PMR). Facile \u00e0 r\u00e9gler."},"content":{"rendered":"\n<p style=\"text-align:right\"><strong>Par Pierre.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"471\" height=\"640\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous.png\" alt=\"\" class=\"wp-image-1578\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous.png 471w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous-221x300.png 221w\" sizes=\"auto, (max-width: 471px) 100vw, 471px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-background has-light-green-cyan-background-color\">La principale difficult\u00e9 pour la r\u00e9alisation d\u2019une antenne Topfkreis, c\u2019est de trouver la bonne hauteur o\u00f9 mettre la prise HF qui se situe en g\u00e9n\u00e9rale sur le cot\u00e9 de l\u2019antenne.<br>Si le trou perc\u00e9 n\u2019est pas bon, il faut tout recommencer.<br>La deuxi\u00e8me difficult\u00e9, c\u2019est de faire l\u2019\u00e9tanch\u00e9it\u00e9 et de fixer la prise.<br>Enfin la derni\u00e8re, c\u2019est de faire la liaison \u00e9lectrique avec l\u2019antenne en faisant une belle soudure, autant dire un v\u00e9ritable jeu de patience \u2026.<br>En g\u00e9n\u00e9ral, les r\u00e9alisations sont toutes en tube de cuivre et donc il faut un fer \u00e0 souder tr\u00e8s, \u2026. tr\u00e8s puissant.<\/p>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\">Pour \u00e9viter tous ces \u00ab\u00a0\u00e9cueils\u00a0\u00bb, je me suis fix\u00e9 le cahier des charges suivant:<br><br> 1) Utiliser des pi\u00e8ces faciles \u00e0 trouver<br> 2) Utiliser un tube en aluminium ( pour l\u2019ext\u00e9rieur et le tube d\u2019antenne)<br> 3) Faire sortir la prise SMA par le dessous.<br> 4) Obtenir un r\u00e9glage facile du TOS (gr\u00e2ce au pratique gamma match interne)<br> 5) Faire une r\u00e9alisation facilement reproductible.<br> 6) Pour le m\u00eame prix, (si possible) une belle antenne<br><br>Plus qu\u2019un grand discours, j\u2019ai pr\u00e9f\u00e9r\u00e9 faire un dessin d\u2019ensemble plus parlant.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"909\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/topfk000.jpg\" alt=\"\" class=\"wp-image-1580\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/topfk000.jpg 674w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/topfk000-222x300.jpg 222w\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\">Pour aider dans la fabrication, voici quelques photos.<br>Note:  Si vous souhaitez mettre une FICHE N \u00e0 la place de la SMA, pas de souci, il faudra prendre un tube mini de diam\u00e8tre 45mm et reprendre presque toutes les dimensions.<\/p>\n\n\n\n<ul class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"311\" height=\"640\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/re\u0301glage-Topfkreis.jpeg\" alt=\"\" data-id=\"1581\" data-link=\"https:\/\/f6kmf.fr\/?attachment_id=1581\" class=\"wp-image-1581\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/re\u0301glage-Topfkreis.jpeg 311w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/re\u0301glage-Topfkreis-146x300.jpeg 146w\" sizes=\"auto, (max-width: 311px) 100vw, 311px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"179\" height=\"640\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-de-cote.jpeg\" alt=\"\" data-id=\"1583\" data-link=\"https:\/\/f6kmf.fr\/?attachment_id=1583\" class=\"wp-image-1583\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-de-cote.jpeg 179w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-de-cote-84x300.jpeg 84w\" sizes=\"auto, (max-width: 179px) 100vw, 179px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"382\" height=\"640\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-Dessus.jpeg\" alt=\"\" data-id=\"1584\" data-link=\"https:\/\/f6kmf.fr\/?attachment_id=1584\" class=\"wp-image-1584\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-Dessus.jpeg 382w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-Dessus-179x300.jpeg 179w\" sizes=\"auto, (max-width: 382px) 100vw, 382px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"470\" height=\"640\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous.jpeg\" alt=\"\" data-id=\"1585\" data-link=\"https:\/\/f6kmf.fr\/?attachment_id=1585\" class=\"wp-image-1585\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous.jpeg 470w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Topfkreis-vue-dessous-220x300.jpeg 220w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Test-VNA-par-DIMITRI-1-1.jpg\" alt=\"\" data-id=\"1587\" data-link=\"https:\/\/f6kmf.fr\/?attachment_id=1587\" class=\"wp-image-1587\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Test-VNA-par-DIMITRI-1-1.jpg 640w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2021\/07\/Test-VNA-par-DIMITRI-1-1-300x169.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Par Pierre. La principale difficult\u00e9 pour la r\u00e9alisation d\u2019une antenne Topfkreis, c\u2019est de trouver la bonne hauteur o\u00f9 mettre la<\/p>\n","protected":false},"author":4,"featured_media":1578,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[11,21,14],"tags":[],"class_list":["post-1577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activites-radio","category-antenne","category-realisations"],"_links":{"self":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/1577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1577"}],"version-history":[{"count":3,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/1577\/revisions"}],"predecessor-version":[{"id":1588,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/1577\/revisions\/1588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media\/1578"}],"wp:attachment":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/categories?post=1577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/tags?post=1577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}