{"id":16787,"date":"2026-04-01T08:24:40","date_gmt":"2026-04-01T02:54:40","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=16787"},"modified":"2026-04-01T08:24:41","modified_gmt":"2026-04-01T02:54:41","slug":"sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\/","title":{"rendered":"Sudden drop in 40m signals after 8 am: Is a Geomagnetic Storm around?"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/XoJ9mzNkgOQ?si=ncT2xrKkXYMGlsr0\" 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\">I was hearing a lot of activity on 40m band with several nets and other ragchew going on. Suddenly the signals started dropping with the waterfall becoming almost &#8216;clean&#8217;. Checked the planetary K index. It was very much in the &#8216;low greens&#8217;. Heard read about a solar flare a couple of days back on X. Wonder whether it has arrived at our ionosphere?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was hearing a lot of activity on 40m band with several nets and other ragchew going on. Suddenly the signals started dropping with the waterfall becoming almost &#8216;clean&#8217;. Checked the planetary K index. It was very much in the &#8216;low greens&#8217;. Heard read about a solar flare a couple of days back on X. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16788,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-16787","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>Sudden drop in 40m signals after 8 am: Is a Geomagnetic Storm around? - 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\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudden drop in 40m signals after 8 am: Is a Geomagnetic Storm around? - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"I was hearing a lot of activity on 40m band with several nets and other ragchew going on. Suddenly the signals started dropping with the waterfall becoming almost &#8216;clean&#8217;. Checked the planetary K index. It was very much in the &#8216;low greens&#8217;. Heard read about a solar flare a couple of days back on X. [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/techworld\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\/\" \/>\n<meta property=\"og:site_name\" content=\"Johnson&#039;s Techworld\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-01T02:54:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-01T02:54:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2026\/04\/Sudden-drop-in-40m-signals-after-8-am-Is-a-Geomagnetic-Storm-around.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"678\" \/>\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\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"headline\":\"Sudden drop in 40m signals after 8 am: Is a Geomagnetic Storm around?\",\"datePublished\":\"2026-04-01T02:54:40+00:00\",\"dateModified\":\"2026-04-01T02:54:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/\"},\"wordCount\":75,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Sudden-drop-in-40m-signals-after-8-am-Is-a-Geomagnetic-Storm-around.jpg\",\"articleSection\":[\"Amateur Radio (Ham Radio)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/sudden-drop-in-40m-signals-after-8-am-is-a-geomagnetic-storm-around\\\/\",\"name\":\"Sudden drop in 40m signals after 8 am: Is a Geomagnetic Storm around? 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