{"id":63080,"date":"2025-06-07T06:19:39","date_gmt":"2025-06-07T10:19:39","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=63080"},"modified":"2025-06-07T06:19:39","modified_gmt":"2025-06-07T10:19:39","slug":"sporadic-e-and-fm-dxing","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2025\/06\/sporadic-e-and-fm-dxing\/","title":{"rendered":"Sporadic-E and FM DXing"},"content":{"rendered":"<p class=\"p1\"><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31429\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM.jpg\" alt=\"\" width=\"879\" height=\"659\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM.jpg 879w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM-300x225.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM-768x576.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-RDS-FM-624x468.jpg 624w\" sizes=\"auto, (max-width: 879px) 100vw, 879px\" \/><\/a>Many thanks to <i>SWLing Post<\/i> contributor <span class=\"s1\">Alan<\/span>, who shares t<span style=\"font-size: 1rem;\">his <\/span><i style=\"font-size: 1rem;\">Radio World<\/i><span style=\"font-size: 1rem;\"> piece which explores the fascinating world of long-distance FM reception via sporadic-E (E-skip), including rare double-hop events:<\/span><span class=\"s2\" style=\"font-size: 1rem;\">\u00a0<a href=\"https:\/\/www.radioworld.com\/columns-and-views\/double-hop-dreams-and-the-mystery-of-long-distance-fm\" target=\"_blank\" rel=\"noopener\"><span class=\"s1\"><b>Double-Hop Dreams and the Mystery of Long-Distance FM<\/b><\/span><\/a><\/span><\/p>\n<p class=\"p1\">\u00a0A great read for anyone interested in the world of VHF propagation!<\/p>\n<p class=\"p1\">Alan also shared these resources:<\/p>\n<ul>\n<li><span class=\"s1\"><a href=\"https:\/\/www.sws.bom.gov.au\/Radio_Communication\/1\/3\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>Australian Bureau of Meteorology \u2013 Propagation Modes<\/b><\/span><\/a>: <\/span>Learn about various propagation mechanisms, including transequatorial propagation.<\/li>\n<li class=\"p1\"><span class=\"s1\"><a href=\"https:\/\/www.heywhatsthat.com\/profiler.html\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>HeyWhatsthat.com Path Profiler<\/b><b><\/b><\/span><\/a>:\u00a0<\/span>Calculate great-circle paths, view terrain profiles, and check Fresnel zones. Ideal for evaluating DX paths and terrain obstructions.<\/li>\n<li class=\"p1\"><span class=\"s1\"><a href=\"https:\/\/www.fcc.gov\/media\/radio\/fm-query\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>FCC FM Query<\/b><b><\/b><\/span><\/a>:\u00a0<\/span>Look up FM station data, including transmitter location, ERP, and HAAT\u2014helpful for assessing potential reception range, even for low-power stations.<\/li>\n<\/ul>\n<p>Thanks, Alan!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor Alan, who shares this Radio World piece which explores the fascinating world of long-distance FM reception via sporadic-E (E-skip), including rare double-hop events:\u00a0Double-Hop Dreams and the Mystery of Long-Distance FM \u00a0A great read for anyone interested in the world of VHF propagation! Alan also shared these resources: Australian Bureau [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5935,3781,3],"tags":[8340,2918,2919,634,8341],"class_list":["post-63080","post","type-post","status-publish","format-standard","hentry","category-dx","category-fm","category-news","tag-e-skip","tag-fm-dx","tag-fm-dxing","tag-radio-world","tag-sporadic-e"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-gpq","jetpack-related-posts":[{"id":49886,"url":"https:\/\/swling.com\/blog\/2021\/08\/summer-fm-dx-drive-by-sporadic-e\/","url_meta":{"origin":63080,"position":0},"title":"Summer FM DX: Drive-by Sporadic E","author":"Thomas","date":"August 6, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, TomL, who shares the following guest post: Summer DX \u2013 Sporadic E, FM band \u201cSporadic E\u201d DXing is a specialty of some DXers.\u00a0 I have never dabbled in it being content with mediumwave or shortwave listening.\u00a0 However, it was truly fun to spontaneously hear\u2026","rel":"","context":"In &quot;FM&quot;","block_context":{"text":"FM","link":"https:\/\/swling.com\/blog\/category\/fm\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Car-Radio-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Car-Radio-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Car-Radio-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Car-Radio-1.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Car-Radio-1.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":20048,"url":"https:\/\/swling.com\/blog\/2016\/07\/fm-dxing-troys-unexpected-catch\/","url_meta":{"origin":63080,"position":1},"title":"FM DXing: Troy&#8217;s unexpected catch","author":"Thomas","date":"July 17, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Troy Riedel, who writes: Thomas, if I were to read this on your blog, I would not have believed the following. I live in Virginia nearly equidistant from RIC\/Richmond Int'l AP (east of Richmond) and PHF AP (in Newport News). I had a 1:40 P.M.\u2026","rel":"","context":"In &quot;FM&quot;","block_context":{"text":"FM","link":"https:\/\/swling.com\/blog\/category\/fm\/"},"img":{"alt_text":"Troy-FM-DX","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/07\/Troy-FM-DX.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/07\/Troy-FM-DX.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/07\/Troy-FM-DX.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/07\/Troy-FM-DX.jpg?resize=700%2C400 2x"},"classes":[]},{"id":33161,"url":"https:\/\/swling.com\/blog\/2018\/07\/impressive-transatlantic-fm-dx-newfoundland-to-northern-ireland-on-88-5-mhz\/","url_meta":{"origin":63080,"position":2},"title":"Impressive Transatlantic FM DX: Newfoundland to Northern Ireland on 88.5 MHz","author":"Thomas","date":"July 11, 2018","format":false,"excerpt":"(Source: Southgate ARC) 88 MHz Trans-Atlantic signals heard in Ireland On Sunday the 8th of July 2018, there was a remarkable opening on the VHF bands across the North Atlantic. While there were plenty of strong multi-hop Sporadic-E signals on the 28 MHz and 50 MHz bands, the maximum qusable\u2026","rel":"","context":"In &quot;DX&quot;","block_context":{"text":"DX","link":"https:\/\/swling.com\/blog\/category\/dx\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Elad-FDM-S2-FM-DX.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Elad-FDM-S2-FM-DX.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Elad-FDM-S2-FM-DX.jpeg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":56550,"url":"https:\/\/swling.com\/blog\/2023\/05\/dx-central-announces-inaugural-grand-slam-dx-challenge\/","url_meta":{"origin":63080,"position":3},"title":"DX Central Announces Inaugural Grand Slam DX Challenge!","author":"Thomas","date":"May 6, 2023","format":false,"excerpt":"Many thanks to SWLing Post contributor, Loyd Van Horn, who shares the following announcement: DX Central Announces Inaugural Grand Slam DX Challenge Chances are, if you ask a DXer how they began their love of DX, many will tell you it all began by searching through the static for the\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/05\/DXC-Grand-Slam-Challenge-Cover-with-logo-High-Quality-JPG.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":38076,"url":"https:\/\/swling.com\/blog\/2019\/06\/guest-post-roseanna-snags-some-unexpected-fm-dx\/","url_meta":{"origin":63080,"position":4},"title":"Guest Post: Roseanna snags some unexpected FM DX","author":"Thomas","date":"June 5, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Roseanna, who shares the following guest post originally published on her blog, The Girl with the Radio: Unexpected FM madness! I would like tho share with you a once in a lifetime Sporadic-E event that happened to me today along with videos of the\u2026","rel":"","context":"In &quot;DX&quot;","block_context":{"text":"DX","link":"https:\/\/swling.com\/blog\/category\/dx\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-05-at-7.12.26-AM.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-05-at-7.12.26-AM.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-05-at-7.12.26-AM.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-05-at-7.12.26-AM.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":10401,"url":"https:\/\/swling.com\/blog\/2014\/07\/pl-880-hidden-feature-adjusting-fm-muting-threashold\/","url_meta":{"origin":63080,"position":5},"title":"PL-880 Hidden Feature: Adjusting FM muting threshold","author":"Thomas","date":"July 31, 2014","format":false,"excerpt":"Many thanks to SWLing Post reader, Hector (AD4C) for discovering and sharing this hidden feature of the Tecsun PL-880. Hector writes: \"I have been using the Tecsun PL-600 for some time but never was satisfied with its performance in SSB, you can read my review on eham. Last night I\u2026","rel":"","context":"In &quot;Articles&quot;","block_context":{"text":"Articles","link":"https:\/\/swling.com\/blog\/category\/articles\/"},"img":{"alt_text":"PL-880-RightSide","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=63080"}],"version-history":[{"count":1,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63080\/revisions"}],"predecessor-version":[{"id":63081,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63080\/revisions\/63081"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=63080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=63080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=63080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}