{"id":51739,"date":"2022-02-02T06:40:29","date_gmt":"2022-02-02T10:40:29","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=51739"},"modified":"2022-02-02T06:40:29","modified_gmt":"2022-02-02T10:40:29","slug":"presentation-crystal-radio-history-construction-and-contesting","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2022\/02\/presentation-crystal-radio-history-construction-and-contesting\/","title":{"rendered":"Presentation: Crystal Radio History, Construction, and Contesting"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-51614\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg\" alt=\"\" width=\"1200\" height=\"1274\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg 1200w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case-283x300.jpeg 283w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case-965x1024.jpeg 965w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case-768x815.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case-624x662.jpeg 624w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a>Many thanks to S<em>WLing Post<\/em> Contributor, David Day (N1DAY), who shares the video presentation below, offering even more insight into <a href=\"https:\/\/swling.com\/blog\/2022\/01\/guest-post-crystal-radios-construction-listening-and-contesting\/\">his most recent guest post on the topic of crystal radio DXing.<\/a><\/p>\n<p>David has also posted this presentation <a href=\"https:\/\/hamsignal.com\/blog\/crystal-radio-history-construction-and-contesting\" target=\"_blank\" rel=\"noopener\">on his website<\/a> and notes that he&#8217;s happy to share the presentation slides without copyright. David notes:<\/p>\n<p style=\"padding-left: 40px;\"><em>[&#8230;]I have purposely not copyrighted this work so that anyone is free to modify it as they see fit. The only thing I ask is that if you make changes that you do not copyright the derivative work as your own intellectual property so that others can benefit from your knowledge and build upon it as well.<\/em><\/p>\n<p>That&#8217;s brilliant, David! Thank you.<\/p>\n<h1>Presentation:<\/h1>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/HEfriL41OnM?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/HEfriL41OnM\" target=\"_blank\" rel=\"noopener\">Click here to view on YouTube.<\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/hamsignal.com\/blog\/crystal-radio-history-construction-and-contesting\" target=\"_blank\" rel=\"noopener\">Click here to check out N1DAY&#8217;s website.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post Contributor, David Day (N1DAY), who shares the video presentation below, offering even more insight into his most recent guest post on the topic of crystal radio DXing. David has also posted this presentation on his website and notes that he&#8217;s happy to share the presentation slides without copyright. David notes: [&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":[373,627,433,3,305,288,43],"tags":[9629,9631,9630,8009,4342,4099,9644,34],"class_list":["post-51739","post","type-post","status-publish","format-standard","hentry","category-am","category-how-to","category-mediumwave","category-news","category-nostalgia","category-radio-history","category-shortwave-radio","tag-crystal-radio-contest","tag-crystal-radio-dxing","tag-crystal-radio-experimentation","tag-david-day-n1day","tag-guest-posts","tag-mediumwave","tag-rystal-radio","tag-shortwave"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-dsv","jetpack-related-posts":[{"id":51594,"url":"https:\/\/swling.com\/blog\/2022\/01\/guest-post-crystal-radios-construction-listening-and-contesting\/","url_meta":{"origin":51739,"position":0},"title":"Guest Post: Crystal Radios \u2013 Construction, Listening, and Contesting","author":"Thomas","date":"January 24, 2022","format":false,"excerpt":"Many thanks to SWLing Post contributor, David Day (N1DAY), for sharing the following guest post: Crystal Radios \u2013 Construction, Listening, and Contesting By David Day \u2013 N1DAY The date was November 2, 1920 and the world was about to change forever when radio station KDKA out of Pittsburgh PA made\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\/2022\/01\/N1DAY-Crystal-Case.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/01\/N1DAY-Crystal-Case.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":39725,"url":"https:\/\/swling.com\/blog\/2019\/09\/david-reviews-and-compares-the-mla-30-magnetic-loop-antenna\/","url_meta":{"origin":51739,"position":1},"title":"David reviews and compares the MLA-30 magnetic loop antenna","author":"Thomas","date":"September 18, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, David Day (N1DAY), who has completed a thorough review of the MLA-30 loop antenna. In this review, he compares the MLA to the Wellbrook ALA1530-LF and a 30 foot square ground loop antenna. In short, he finds that the MLA-30 performs fairly well on\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/09\/mla30_3-e1568805326349.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/09\/mla30_3-e1568805326349.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/09\/mla30_3-e1568805326349.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/09\/mla30_3-e1568805326349.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":50625,"url":"https:\/\/swling.com\/blog\/2021\/10\/ham-radio-workbench-episode-explores-diversity-reception\/","url_meta":{"origin":51739,"position":2},"title":"Ham Radio Workbench episode explores Diversity Reception","author":"Thomas","date":"October 23, 2021","format":false,"excerpt":"I just finished listening to the most recent episode of the Ham Radio Workbench with John Fallows (VE6EY) as a guest. John is an SWL and Ham Radio operator and speaks at length about how he uses diversity reception to mitigate persistent local RFI (radio frequency interference). If you have\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-ports.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-ports.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-ports.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-ports.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52069,"url":"https:\/\/swling.com\/blog\/2022\/03\/video-presentation-wlw-radio-100-years-behind-the-scenes-by-dave-snyder\/","url_meta":{"origin":51739,"position":3},"title":"Video Presentation: WLW Radio -100 Years &#8211; Behind The Scenes by Dave Snyder","author":"Thomas","date":"March 4, 2022","format":false,"excerpt":"Many thanks to SWLing Post contributor, David Snyder, who shares this presentation outlining the history of WLW for the National VOA Museum of Broadcasting YouTube channel. https:\/\/youtu.be\/V6T1bmk_f8M Video description: Behind the scenes pictures from the efforts of Powel Crosley, Jr. creating the famous WLW Radio Station, including the largest USA\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\/2015\/05\/VOA-Bethany-1-11.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/VOA-Bethany-1-11.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/VOA-Bethany-1-11.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/VOA-Bethany-1-11.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":50130,"url":"https:\/\/swling.com\/blog\/2021\/09\/guest-post-mediumwave-dxing-in-botswana\/","url_meta":{"origin":51739,"position":4},"title":"Guest Post: Mediumwave DXing in Botswana","author":"Thomas","date":"September 3, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Peter Wilson, who shares the following guest post and recordings from his listening post in Botswana: MWDX from Australia and the USA received in Botswana by Peter Wilson Hello Thomas. I moved my 16.2 metre random wire slightly farther away from the house, and\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\/2021\/09\/Peter-Wilson-laptop-e1630666902213.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Peter-Wilson-laptop-e1630666902213.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Peter-Wilson-laptop-e1630666902213.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Peter-Wilson-laptop-e1630666902213.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":43930,"url":"https:\/\/swling.com\/blog\/2020\/06\/bills-first-dx-contest-using-a-panasonic-rf-2200-and-a-hombrew-diode-loop-radio\/","url_meta":{"origin":51739,"position":5},"title":"Bill&#8217;s first DX contest using a Panasonic RF-2200 and a hombrew diode\/loop radio","author":"Thomas","date":"June 19, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, Bill Hemphill (WD9EQD), who shares the following guest post: My First DX Contest by Bill Hemphill, WD9EQD Being a recent new member of NJARC, this is my first time competing in this contest.\u00a0 I have always been a big fan of BCB DXing and\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\/2020\/06\/NJARC-Contest-Logs-Bill-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/NJARC-Contest-Logs-Bill-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/NJARC-Contest-Logs-Bill-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/NJARC-Contest-Logs-Bill-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/51739","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=51739"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/51739\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=51739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=51739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=51739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}