{"id":22225,"date":"2025-09-22T10:21:42","date_gmt":"2025-09-22T08:21:42","guid":{"rendered":"http:\/\/www.on4cn.be\/blog_radio\/?p=22225"},"modified":"2025-09-22T10:21:42","modified_gmt":"2025-09-22T08:21:42","slug":"probleme-rencontre-en-modes-digitaux-avec-wsjt-x-jtdx","status":"publish","type":"post","link":"http:\/\/www.on4cn.be\/blog_radio\/2025\/09\/22\/probleme-rencontre-en-modes-digitaux-avec-wsjt-x-jtdx\/","title":{"rendered":"Probl\u00e8me rencontr\u00e9 en modes digitaux avec WSJT-X \/ JTDX"},"content":{"rendered":"<h1>Probl\u00e8me rencontr\u00e9 en modes digitaux avec WSJT-X \/ JTDX<\/h1>\n<p>Lors de mes vacances, j\u2019ai souhait\u00e9 continuer \u00e0 pratiquer les modes digitaux (FT8, FT4, etc.) en utilisant WSJT-X et JTDX. Cependant, j\u2019ai \u00e9t\u00e9 confront\u00e9 \u00e0 une difficult\u00e9 technique que je n\u2019ai pas pu r\u00e9soudre seul. Ne trouvant pas de r\u00e9ponse claire dans la documentation ni sur les forums, j\u2019ai choisi d\u2019\u00e9crire directement \u00e0 <strong>Uwe (DG2YCB)<\/strong>.<\/p>\n<p>Sa r\u00e9activit\u00e9 et sa disponibilit\u00e9 m\u00e9ritent d\u2019\u00eatre soulign\u00e9es : il a pris le temps de m\u2019apporter une r\u00e9ponse pr\u00e9cise. Apr\u00e8s plusieurs essais infructueux, j\u2019ai d\u00e9cid\u00e9 de contacter directement Uwe DG2YCB, qui fait partie de l\u2019\u00e9quipe en charge du d\u00e9veloppement de ces logiciels.<\/p>\n<p><em>Mes 73\u2019s,<\/em><br \/>Claude \u2013 OT4N<\/p>\n<p><center><a href=\"http:\/\/www.on4cn.be\/blog_radio\/wp-content\/uploads\/2025\/09\/ft8-ft4.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.on4cn.be\/blog_radio\/wp-content\/uploads\/2025\/09\/ft8-ft4.jpg\" width=\"400\" height=\"300\" alt=\"FT8 \/ FT4 illustration\" \/><\/a><\/center><br \/>\n<center><strong>Cliquez sur une vignette pour agrandir la photo<\/strong><\/center><\/p>\n<h2>La r\u00e9ponse de DG2YCB<\/h2>\n<blockquote>\n<p style=\"background-color:white;\"><strong>Bonjour Claude,<\/strong><br \/>\n    Il n&rsquo;est pas possible d&rsquo;\u00e9tablir un QSO entre deux indicatifs non standard. Aucune chance ! Cela s&rsquo;applique \u00e0 tous les logiciels.<br \/>\n    Ainsi, par exemple, F\/OT4N ne peut \u00e9tablir aucun contact avec DG2YCB\/P ou DG2YCB\/QRP ou HB9\/DG2YCB ou DG250YCB.<br \/>\n    La raison en est qu&rsquo;il n&rsquo;y a tout simplement pas assez de place dans les messages de 77 bits pour transf\u00e9rer deux indicatifs non standard.<br \/>\n    N&rsquo;oubliez pas que m\u00eame un seul indicatif non standard ne peut \u00eatre transmis qu&rsquo;\u00e0 l&rsquo;aide de quelques astuces.<\/p>\n<\/blockquote>\n<blockquote>\n<p style=\"background-color:white;\"><strong>Hello Claude,<\/strong><br \/>\n    It is not possible to make a QSO between two non-standard callsigns. No chance! This applies to any software.<br \/>\n    So, for example, F\/OT4N can not make any contacts with DG2YCB\/P or DG2YCB\/QRP or HB9\/DG2YCB or DG250YCB.<br \/>\n    The reason is that there is simply not enough room in the 77-bit messages to transfer two non-standard callsigns.<br \/>\n    Remember that even one non-standard callsign can only be transmitted with some tricks.<\/p>\n<\/blockquote>\n<p>73 de DG2YCB,<br \/>Uwe<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Probl\u00e8me rencontr\u00e9 en modes digitaux avec WSJT-X \/ JTDX Lors de mes vacances, j\u2019ai souhait\u00e9 continuer \u00e0 pratiquer les modes digitaux (FT8, FT4, etc.) en utilisant WSJT-X et JTDX. Cependant, j\u2019ai \u00e9t\u00e9 confront\u00e9 \u00e0 une difficult\u00e9 technique que je n\u2019ai pas pu r\u00e9soudre seul. Ne trouvant pas de r\u00e9ponse claire dans la documentation ni sur &hellip; <a href=\"http:\/\/www.on4cn.be\/blog_radio\/2025\/09\/22\/probleme-rencontre-en-modes-digitaux-avec-wsjt-x-jtdx\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Probl\u00e8me rencontr\u00e9 en modes digitaux avec WSJT-X \/ JTDX&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,39,8,24,25],"tags":[],"class_list":["post-22225","post","type-post","status-publish","format-standard","hentry","category-info","category-mode-digital","category-radio-club","category-trafic-radio","category-trafic-radioamatuer"],"_links":{"self":[{"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/posts\/22225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/comments?post=22225"}],"version-history":[{"count":1,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/posts\/22225\/revisions"}],"predecessor-version":[{"id":22226,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/posts\/22225\/revisions\/22226"}],"wp:attachment":[{"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/media?parent=22225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/categories?post=22225"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.on4cn.be\/blog_radio\/wp-json\/wp\/v2\/tags?post=22225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}