{"id":3842,"date":"2025-10-05T18:33:24","date_gmt":"2025-10-05T16:33:24","guid":{"rendered":"https:\/\/f6kmf.fr\/?p=3842"},"modified":"2025-10-05T18:33:24","modified_gmt":"2025-10-05T16:33:24","slug":"lenigme-spoutnik-resolue-au-radio-club-f6kmf","status":"publish","type":"post","link":"https:\/\/f6kmf.fr\/index.php\/2025\/10\/05\/lenigme-spoutnik-resolue-au-radio-club-f6kmf\/","title":{"rendered":"L&rsquo;\u00e9nigme Spoutnik r\u00e9solue au radio club F6KMF !"},"content":{"rendered":"\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\"><strong>Le 4 octobre 2025 les jeunes du radio club ont jou\u00e9 les d\u00e9tectives pour d\u00e9coder le message crypt\u00e9 pour la comm\u00e9moration du premier satellite dans l&rsquo;espace le 4 octobre 1957.<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/f6kmf.fr\/index.php\/2025\/10\/01\/spoutnik-commemoration-du-premier-satellite-dans-lespace\/\">Voir le pr\u00e9c\u00e9dent article<\/a><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#c7c7c75e\">Il fallait donc dans un premier temps recevoir le satellite <strong>UmKA-1<\/strong>&nbsp;qui transmettait un code ASCII sp\u00e9cial dans ses donn\u00e9es de t\u00e9l\u00e9m\u00e9trie <strong>en GMSK USP Baud 2400 sur 437.625 MHz<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1076\" style=\"aspect-ratio: 1912 \/ 1076;\" width=\"1912\" controls src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/enigme_sputnik.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-pale-ocean-gradient-background has-background\">Il fallait ensuite saisir le code <strong>Sputnik1957USSR<\/strong> dans le robot Telegram (\u00a0<a href=\"https:\/\/t.me\/AmateurSat_bot\">https:\/\/t.me\/AmateurSat_bot<\/a>\u00a0) pour obtenir des instructions d\u00e9taill\u00e9es.<br><br>F\u00e9licitations, Gilles F1EFW ! Vous avez r\u00e9ussi \u00e0 obtenir et saisir le mot de code.<br><br>Dans le message ci-dessous, vous trouverez un tableau avec des blocs vides.<br><br>La cl\u00e9 pour remplir les blocs peut \u00eatre obtenue depuis le satellite UmKA-1.<br>Le 3 octobre \u00e0 22h18 UTC, UmKA-1 commencera la transmission de la cl\u00e9 au format SSTV.<br>Les intervalles durent 120 secondes. Mode Robot 36 et il y avait autre chose&#8230; Ah oui ! Il faut r\u00e9ussir \u00e0 obtenir la cl\u00e9 avant le 4 octobre \u00e0 19h28 UTC, apr\u00e8s quoi UmKA-1 commencera une autre transmission !<br>Bonne chance<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mail.google.com\/mail\/u\/0?ui=2&amp;ik=0c2f396b52&amp;attid=0.1&amp;permmsgid=msg-a:r2872265414037893144&amp;th=199ae979cfc445a6&amp;view=fimg&amp;fur=ip&amp;permmsgid=msg-a:r2872265414037893144&amp;sz=s0-l75-ft&amp;attbid=ANGjdJ9NQoRWsmQJfSk3SctNwM6WI9wbb3TXUAhsZDCbvGDy-DqPNDtI1j_2e5wex37qEhcNcYZUcZZdAg2-vnhoK1uTE_f2SibadGdzv-8hX3salmwiN9hJ3NRa_mA&amp;disp=emb&amp;realattid=ii_mgbcagyl0&amp;zw\" alt=\"image.png\"\/><\/figure>\n\n\n\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\">Le jour suivant, il fallait recevoir les images SSTV (en fait 2 images, envoy\u00e9es plusieurs fois)<br>En consultant les plus nettes, on pouvait comprendre qu&rsquo;il suffisait de noircir les cases pour obtenir une autre image, un code ou un QRCode ? Myst\u00e8re &#8230;.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"537\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9-1024x537.png\" alt=\"\" class=\"wp-image-3845\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9-1024x537.png 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9-300x157.png 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9-768x402.png 768w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9-390x205.png 390w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/image-9.png 1206w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-light-green-cyan-to-vivid-green-cyan-gradient-background has-background has-medium-font-size\"><strong> Et voil\u00e0 le r\u00e9sultat obtenu, il a fallut du temps \u00e0 APPOLINE, MAXIME et THEO pour reconnaitre les lettres de l&rsquo;alphabet Cyrillique (certaines se ressemblent) et colorier les cases correspondantes.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"767\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/quest_spunik-1024x767.jpg\" alt=\"\" class=\"wp-image-3846\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/quest_spunik-1024x767.jpg 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/quest_spunik-300x225.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/quest_spunik-768x575.jpg 768w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/10\/quest_spunik.jpg 1452w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background has-x-large-font-size\"><strong>4 octobre BIP BIP &#8230;..<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le 4 octobre 2025 les jeunes du radio club ont jou\u00e9 les d\u00e9tectives pour d\u00e9coder le message crypt\u00e9 pour la<\/p>\n","protected":false},"author":1,"featured_media":3821,"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":[8,37],"tags":[130,129,38,56],"class_list":["post-3842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-satellites","category-sstv","tag-enigme","tag-sputnik","tag-sstv","tag-umka-1"],"_links":{"self":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3842","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=3842"}],"version-history":[{"count":2,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3842\/revisions"}],"predecessor-version":[{"id":3847,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3842\/revisions\/3847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media\/3821"}],"wp:attachment":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media?parent=3842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/categories?post=3842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/tags?post=3842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}