{"id":3782,"date":"2025-09-02T21:26:01","date_gmt":"2025-09-02T19:26:01","guid":{"rendered":"https:\/\/f6kmf.fr\/?p=3782"},"modified":"2025-09-02T21:26:01","modified_gmt":"2025-09-02T19:26:01","slug":"quelques-informations-concernant-les-satellites-sur-les-bandes-radioamateurs","status":"publish","type":"post","link":"https:\/\/f6kmf.fr\/index.php\/2025\/09\/02\/quelques-informations-concernant-les-satellites-sur-les-bandes-radioamateurs\/","title":{"rendered":"Quelques informations concernant les satellites sur les bandes radioamateurs"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"235\" height=\"214\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-1.png\" alt=\"\" class=\"wp-image-3783\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le satellite radioamateur<strong> MO-122 (MESAT1)<\/strong> ne r\u00e9pond plus &#8230;.<\/h2>\n\n\n\n<p class=\"has-background\" style=\"background-color:#abb7c224\">Le satellite radioamateur<strong> MO-122 (MESAT1),<\/strong> qui transporte un module transpondeur lin\u00e9aire AMSAT, est devenu silencieux quelque temps apr\u00e8s la collecte de la derni\u00e8re trame de t\u00e9l\u00e9m\u00e9trie enregistr\u00e9e le 25 ao\u00fbt 2025 \u00e0 19h09:49 UTC.<br><br>L&rsquo;analyse des donn\u00e9es t\u00e9l\u00e9m\u00e9triques collect\u00e9es ne r\u00e9v\u00e8le rien de suspect ou d&rsquo;anormal et l&rsquo;\u00e9quipe de commandement de l&rsquo;AMSAT travaille avec les propri\u00e9taires des satellites pour voir si les op\u00e9rations peuvent \u00eatre r\u00e9tablies.<br><br>Les op\u00e9rateurs de satellites sont encourag\u00e9s \u00e0 surveiller les fr\u00e9quences des balises et des transpondeurs pour d\u00e9tecter les signaux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Activation des transpondeurs des satellites TEVEL2<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"580\" height=\"330\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-2.png\" alt=\"\" class=\"wp-image-3784\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-2.png 580w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-2-300x171.png 300w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/figure>\n\n\n\n<p class=\"has-background\" style=\"background-color:#8dd2fc7a\"><strong>Depuis quelques jours les transpondeurs des satellites TEVEL2 sont activ\u00e9s pendant 72 heures \u00e0 des fins d&rsquo;essais.<\/strong><br><br>Rappel : Le projet Tevel 2 rassemble des lyc\u00e9ens de tous les secteurs de la soci\u00e9t\u00e9 isra\u00e9lienne, Juifs, Arabes et Druzes. Les \u00e9l\u00e8ves ont int\u00e9gr\u00e9 le programme en classe de seconde et sont actuellement en Terminale. Ils ont con\u00e7u et construits les nanosatellites sous la direction de sp\u00e9cialistes de la Facult\u00e9 d\u2019ing\u00e9nierie de l\u2019Universit\u00e9 de Tel-Aviv, dans des centres de recherche et d\u00e9veloppement implant\u00e9s dans neuf municipalit\u00e9s du pays.<br><br>Il y a 9 satellites TEVEL2-1 \u00e0 TEVEL2-9 et ils utilisent les m\u00eames fr\u00e9quences puis qu&rsquo;ils sont activ\u00e9s alternativement.<br>Fr\u00e9quence descendante :  <strong>436.400 MHz en FM<\/strong><br>Fr\u00e9quence montante : <strong>145.970 MHz en FM <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"TEVEL2-7 2025:08:28 10h over Europe\" width=\"800\" height=\"600\" src=\"https:\/\/www.youtube.com\/embed\/N1Brb142AtE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le transpondeur FM de l&rsquo;AO-123 est en service continu.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"530\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-3.png\" alt=\"\" class=\"wp-image-3785\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-3.png 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-3-170x300.png 170w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p class=\"has-background\" style=\"background-color:#00d1848f\">Le transpondeur FM de l&rsquo;AO-123 a \u00e9t\u00e9 activ\u00e9 p\u00e9riodiquement depuis son lancement fin 2024. Depuis ao\u00fbt 2025, il est en service continu.<br>AO-123 (ASTRU-1) est une mission Cubesat 12U con\u00e7ue par des \u00e9tudiants russes et chinois pour l&rsquo;\u00e9ducation et le radio amateurisme.<br>La liaison montante est sur <strong>145,850 MH<\/strong>z avec une tonalit\u00e9 CTCSS de 67 Hz et la liaison descendante est sur <strong>435,400 MHz<\/strong>.<br><br>AO-123 (ASTRU-1) est \u00e9quip\u00e9 d&rsquo;une cam\u00e9ra et diffuse des images au format<strong> SSDV<\/strong> (ci-dessous)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"695\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-4.png\" alt=\"\" class=\"wp-image-3786\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-4.png 900w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-4-300x232.png 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-4-768x593.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le satellite radioamateur MO-122 (MESAT1) ne r\u00e9pond plus &#8230;. Le satellite radioamateur MO-122 (MESAT1), qui transporte un module transpondeur lin\u00e9aire<\/p>\n","protected":false},"author":1,"featured_media":3784,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[8],"tags":[121,120,100,101,105],"class_list":["post-3782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-satellites","tag-ao-123","tag-astru-1","tag-tevel2-2","tag-tevel2-3","tag-tevel2-7"],"_links":{"self":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3782","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/comments?post=3782"}],"version-history":[{"count":1,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3782\/revisions"}],"predecessor-version":[{"id":3787,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3782\/revisions\/3787"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media\/3784"}],"wp:attachment":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media?parent=3782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/categories?post=3782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/tags?post=3782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}