{"id":17677,"date":"2026-07-30T06:18:51","date_gmt":"2026-07-30T00:48:51","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=17677"},"modified":"2026-07-30T06:18:52","modified_gmt":"2026-07-30T00:48:52","slug":"two-surprise-satellite-qsos-with-antenna-pointed-away","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/two-surprise-satellite-qsos-with-antenna-pointed-away\/","title":{"rendered":"Two Surprise Satellite QSOs with Antenna Pointed Away!"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/XrESp1T9f48?si=cKh638aY9PPqamVq\" 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\">Yesterday night there was a Western pass of International Space Station in my region starting at 2124 IST (UTC+530). I had kept my Moxon VHF\/UHF Yagi pointed in the North Eastern direction earlier in the morning for receiving stations from Thailand region during an Eastern pass. As it was night time, and the terrace was wet, I did not want to go there and change the direction of my fixed elevation-azimuth Moxon Yagi. Tried listening on 437.810 MHz, the downlink frequency with Doppler correction for the beginning of the pass, bringing down the frequency gradually in steps of 5 kHz every 2-3 minutes. To my surprise, I could hear VU3YFD giving a call. Just tried calling him and I could reach him. Later during the pass had a contact with VU3NXG as well. Reason was simple: My Moxon Yagi has a large beamwidth, relatively lower front-to-back ratio and this was a high elevation pass with maximum elevation of over 68  degrees. Here is the curated audio of the pass after removing silent periods, though it is not great because of wrong antenna direction and of course, lack of antenna rotation during the pass in azimuth and elevation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday night there was a Western pass of International Space Station in my region starting at 2124 IST (UTC+530). I had kept my Moxon VHF\/UHF Yagi pointed in the North Eastern direction earlier in the morning for receiving stations from Thailand region during an Eastern pass. As it was night time, and the terrace was [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17683,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-17677","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 v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Two Surprise Satellite QSOs with Antenna Pointed Away! - 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\/two-surprise-satellite-qsos-with-antenna-pointed-away\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Two Surprise Satellite QSOs with Antenna Pointed Away! - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"Yesterday night there was a Western pass of International Space Station in my region starting at 2124 IST (UTC+530). I had kept my Moxon VHF\/UHF Yagi pointed in the North Eastern direction earlier in the morning for receiving stations from Thailand region during an Eastern pass. As it was night time, and the terrace was [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/techworld\/two-surprise-satellite-qsos-with-antenna-pointed-away\/\" \/>\n<meta property=\"og:site_name\" content=\"Johnson&#039;s Techworld\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-30T00:48:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-30T00:48:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2026\/07\/Two-Surprise-Satellite-QSOs-with-Antenna-Pointed-Away-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1279\" \/>\n\t<meta property=\"og:image:height\" content=\"719\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"headline\":\"Two Surprise Satellite QSOs with Antenna Pointed Away!\",\"datePublished\":\"2026-07-30T00:48:51+00:00\",\"dateModified\":\"2026-07-30T00:48:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/\"},\"wordCount\":204,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Two-Surprise-Satellite-QSOs-with-Antenna-Pointed-Away-1.jpg\",\"articleSection\":[\"Amateur Radio (Ham Radio)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/two-surprise-satellite-qsos-with-antenna-pointed-away\\\/\",\"name\":\"Two Surprise Satellite QSOs with Antenna Pointed Away! 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