{"id":2362,"date":"2011-02-17T08:53:43","date_gmt":"2011-02-17T12:53:43","guid":{"rendered":"http:\/\/www.engineeringradio.us\/blog\/?p=3928"},"modified":"2023-04-30T14:46:46","modified_gmt":"2023-04-30T18:46:46","slug":"sola-flare-may-disrupt-radio-systems","status":"publish","type":"post","link":"https:\/\/www.engineeringradio.us\/blog\/2011\/02\/sola-flare-may-disrupt-radio-systems\/","title":{"rendered":"Solar flare may disrupt radio systems"},"content":{"rendered":"\n<p><strong>Update: <\/strong>What? \u00a0Nothing Happened! \u00a0Something I think any radio engineer can appreciate, the incoming magnetic field from the flare was not polarized for maximum effect. \u00a0According to NOAA Space Weather Prediction Center, the incoming particles were parallel to the earth&#8217;s magnetic field, and thus blocked. \u00a0In order for storms to have major effects, they need to be cross-polarized with the earth&#8217;s magnetic field. \u00a0Learn something new every day.<\/p>\n\n\n\n<p>On February 15 at 01:50 UTC, a massive<a rel=\"noopener\" href=\"http:\/\/en.wikipedia.org\/wiki\/Solar_flare\" target=\"_blank\"> flare<\/a> erupted from the sun. \u00a0Classified as an X2.2 storm, it is the largest since December 2006. \u00a0The 2006 storm disrupted GPS, and some satellite signals and caused 950 mHz STLs to burp occasionally. \u00a0With all of the cellphone systems synced to GPS, not to mention things like HD Radio exciters, it could be an interesting day. \u00a0Or not. \u00a0Already, some reports are trickling in from southern China of <a rel=\"noopener\" href=\"http:\/\/www.straitstimes.com\/BreakingNews\/Asia\/Story\/STIStory_635837.html\" target=\"_blank\">communications disruptions<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare-300x300.jpg\" alt=\"Feb 15 0150 UTC solar flare\" class=\"wp-image-2363\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare-300x300.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare-150x150.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare-601x600.jpg 601w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare-400x398.jpg 400w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2011\/02\/STEREO-flare.jpg 660w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\">Feb 15 0150 UTC solar flare<\/figcaption><\/figure>\n\n\n\n<p>According to <a rel=\"noopener\" href=\"http:\/\/www.swpc.noaa.gov\/pmap\/pmapN.html\" target=\"_blank\">NOAA Space Weather<\/a>, there is a 45% chance of geomagnetic activity starting on Thursday, February 17th. \u00a0It is noted that <a rel=\"noopener\" href=\"http:\/\/www.swpc.noaa.gov\/NOAAscales\/\" target=\"_blank\">Geomagnetic<\/a> storms reaching the G1 level and <a rel=\"noopener\" href=\"http:\/\/www.swpc.noaa.gov\/NOAAscales\/\" target=\"_blank\">radio blackouts<\/a> reaching the R1 level are to be expected. \u00a0Mid to high-level latitudes may see extensive aurora borealis, which will be visible in spite of the full moon.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Update: What? \u00a0Nothing Happened! \u00a0Something I think any radio engineer can appreciate, the incoming magnetic field from the flare was not polarized for maximum effect. \u00a0According to NOAA Space Weather Prediction Center, the incoming particles were parallel to the earth&#8217;s magnetic field, and thus blocked. \u00a0In order for storms to have major effects, they need &hellip; <a href=\"https:\/\/www.engineeringradio.us\/blog\/2011\/02\/sola-flare-may-disrupt-radio-systems\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Solar flare may disrupt radio systems<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[190],"class_list":["post-2362","post","type-post","status-publish","format-standard","hentry","category-general","tag-sun-spots"],"_links":{"self":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/2362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/comments?post=2362"}],"version-history":[{"count":14,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/2362\/revisions"}],"predecessor-version":[{"id":11866,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/2362\/revisions\/11866"}],"wp:attachment":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/media?parent=2362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/categories?post=2362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/tags?post=2362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}