{"id":14466,"date":"2025-06-15T21:23:05","date_gmt":"2025-06-15T15:53:05","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=14466"},"modified":"2025-06-15T21:27:33","modified_gmt":"2025-06-15T15:57:33","slug":"my-first-contact-on-ao-123-satellite-that-too-a-dx","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/","title":{"rendered":"My first contact on AO-123 satellite, that too a DX!"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ElEtd_vmcuw?si=rGGl0ryfrReU70Hn\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n<p class=\"wp-block-paragraph\">Just now there was a pass of AO-123 amteur radio satellite, which is also known as <a href=\"https:\/\/johnsonfrancis.org\/techworld\/listening-to-asrtu-1-ao-123-fm-satellite\/\">ASRTU-1<\/a>. Uplink frequency is 145.850 MHz, with a CTCSS tone of 67 Hz, the same as that of SO-50. Downlink is on 435.400 MHz. As, usual, I had kept my Moxon Yagi in the direction of maximum elevation of the pass. Though I did not expect anything from the satellite, I was surprised to hear E21EJC from Thailand, at a distance of around 2700 km. I gave a call and quickly got my report. I never expected to have a DX contact as my first contact on AO-123!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Just now there was a pass of AO-123 amteur radio satellite, which is also known as ASRTU-1. Uplink frequency is 145.850 MHz, with a CTCSS tone of 67 Hz, the same as that of SO-50. Downlink is on 435.400 MHz. As, usual, I had kept my Moxon Yagi in the direction of maximum elevation of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14468,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-14466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio-ham-radio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"Just now there was a pass of AO-123 amteur radio satellite, which is also known as ASRTU-1. Uplink frequency is 145.850 MHz, with a CTCSS tone of 67 Hz, the same as that of SO-50. Downlink is on 435.400 MHz. As, usual, I had kept my Moxon Yagi in the direction of maximum elevation of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/\" \/>\n<meta property=\"og:site_name\" content=\"Johnson&#039;s Techworld\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-15T15:53:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-15T15:57:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1203\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"headline\":\"My first contact on AO-123 satellite, that too a DX!\",\"datePublished\":\"2025-06-15T15:53:05+00:00\",\"dateModified\":\"2025-06-15T15:57:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/\"},\"wordCount\":111,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg\",\"articleSection\":[\"Amateur Radio (Ham Radio)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/\",\"name\":\"My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg\",\"datePublished\":\"2025-06-15T15:53:05+00:00\",\"dateModified\":\"2025-06-15T15:57:33+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#primaryimage\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg\",\"contentUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg\",\"width\":1203,\"height\":675},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/my-first-contact-on-ao-123-satellite-that-too-a-dx\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"My first contact on AO-123 satellite, that too a DX!\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#website\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/\",\"name\":\"Johnson's Techworld\",\"description\":\"Johnson&#039;s Techworld\",\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\",\"name\":\"Johnson Francis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/channels4_profile.jpg\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/channels4_profile.jpg\",\"contentUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/channels4_profile.jpg\",\"width\":600,\"height\":600,\"caption\":\"Johnson Francis\"},\"logo\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/channels4_profile.jpg\"},\"description\":\"Amateur Radio Operator VU2JO. Originally licensed as VU2JFP with Grade 1 license in 1985. Upgraded to Advanced Grade in 1988 and was allotted new callsign to VU2JO\",\"sameAs\":[\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\",\"https:\\\/\\\/www.youtube.com\\\/@johnsonstechworld\\\/\"],\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/author\\\/jf\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/","og_locale":"en_US","og_type":"article","og_title":"My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld","og_description":"Just now there was a pass of AO-123 amteur radio satellite, which is also known as ASRTU-1. Uplink frequency is 145.850 MHz, with a CTCSS tone of 67 Hz, the same as that of SO-50. Downlink is on 435.400 MHz. As, usual, I had kept my Moxon Yagi in the direction of maximum elevation of [&hellip;]","og_url":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/","og_site_name":"Johnson&#039;s Techworld","article_published_time":"2025-06-15T15:53:05+00:00","article_modified_time":"2025-06-15T15:57:33+00:00","og_image":[{"width":1203,"height":675,"url":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg","type":"image\/jpeg"}],"author":"Johnson Francis","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Johnson Francis","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#article","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/"},"author":{"name":"Johnson Francis","@id":"https:\/\/johnsonfrancis.org\/techworld\/#\/schema\/person\/6201c843e80ccd3578e6196b1d007027"},"headline":"My first contact on AO-123 satellite, that too a DX!","datePublished":"2025-06-15T15:53:05+00:00","dateModified":"2025-06-15T15:57:33+00:00","mainEntityOfPage":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/"},"wordCount":111,"publisher":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/#\/schema\/person\/6201c843e80ccd3578e6196b1d007027"},"image":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg","articleSection":["Amateur Radio (Ham Radio)"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/","url":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/","name":"My first contact on AO-123 satellite, that too a DX! - Johnson&#039;s Techworld","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/#website"},"primaryImageOfPage":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#primaryimage"},"image":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg","datePublished":"2025-06-15T15:53:05+00:00","dateModified":"2025-06-15T15:57:33+00:00","breadcrumb":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#primaryimage","url":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg","contentUrl":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/06\/My-first-contact-on-AO-123-satellite-that-too-a-DX.jpg","width":1203,"height":675},{"@type":"BreadcrumbList","@id":"https:\/\/johnsonfrancis.org\/techworld\/my-first-contact-on-ao-123-satellite-that-too-a-dx\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/johnsonfrancis.org\/techworld\/"},{"@type":"ListItem","position":2,"name":"My first contact on AO-123 satellite, that too a DX!"}]},{"@type":"WebSite","@id":"https:\/\/johnsonfrancis.org\/techworld\/#website","url":"https:\/\/johnsonfrancis.org\/techworld\/","name":"Johnson's Techworld","description":"Johnson&#039;s Techworld","publisher":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/#\/schema\/person\/6201c843e80ccd3578e6196b1d007027"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/johnsonfrancis.org\/techworld\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/johnsonfrancis.org\/techworld\/#\/schema\/person\/6201c843e80ccd3578e6196b1d007027","name":"Johnson Francis","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/01\/channels4_profile.jpg","url":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/01\/channels4_profile.jpg","contentUrl":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/01\/channels4_profile.jpg","width":600,"height":600,"caption":"Johnson Francis"},"logo":{"@id":"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2025\/01\/channels4_profile.jpg"},"description":"Amateur Radio Operator VU2JO. Originally licensed as VU2JFP with Grade 1 license in 1985. Upgraded to Advanced Grade in 1988 and was allotted new callsign to VU2JO","sameAs":["https:\/\/johnsonfrancis.org\/techworld","https:\/\/www.youtube.com\/@johnsonstechworld\/"],"url":"https:\/\/johnsonfrancis.org\/techworld\/author\/jf\/"}]}},"_links":{"self":[{"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/posts\/14466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/comments?post=14466"}],"version-history":[{"count":2,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/posts\/14466\/revisions"}],"predecessor-version":[{"id":14469,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/posts\/14466\/revisions\/14469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/media\/14468"}],"wp:attachment":[{"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/media?parent=14466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/categories?post=14466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/techworld\/wp-json\/wp\/v2\/tags?post=14466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}