{"id":64326,"date":"2025-10-22T08:37:46","date_gmt":"2025-10-22T12:37:46","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=64326"},"modified":"2025-10-22T08:37:46","modified_gmt":"2025-10-22T12:37:46","slug":"radio-world-john-kean-examines-modern-am-interference-challenges","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2025\/10\/radio-world-john-kean-examines-modern-am-interference-challenges\/","title":{"rendered":"Radio World: John Kean Examines Modern AM Interference Challenges"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-46200\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg\" alt=\"\" width=\"1200\" height=\"900\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg 1200w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site-300x225.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site-1024x768.jpeg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site-768x576.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site-624x468.jpeg 624w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a>Many thanks to <em>SWLing Post<\/em> contributors Dennis Dura and Frank Howell for sharing this article from Radio?World, which examines the persistent and growing problem of AM?band interference. In \u201c<em>John?Kean Explores AM Interference Issues<\/em>,\u201d Kean outlines how noise from switching power supplies, urban clutter and even future EV wireless-charging technology are threatening reception quality for AM broadcasters \u2014 and offers pathways for engineers and regulators to maintain AM viability.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.radioworld.com\/news-and-business\/news-makers\/john-kean-explores-am-interference-issues\" target=\"_blank\" rel=\"noopener\">You can read the full article at Radio World by clicking here.<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributors Dennis Dura and Frank Howell for sharing this article from Radio?World, which examines the persistent and growing problem of AM?band interference. In \u201cJohn?Kean Explores AM Interference Issues,\u201d Kean outlines how noise from switching power supplies, urban clutter and even future EV wireless-charging technology are threatening reception quality for AM [&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":[373,3,196],"tags":[625,634],"class_list":["post-64326","post","type-post","status-publish","format-standard","hentry","category-am","category-news","category-qrm","tag-am-radio","tag-radio-world"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-gJw","jetpack-related-posts":[{"id":62311,"url":"https:\/\/swling.com\/blog\/2025\/03\/radio-world-nrsc-studies-rf-noise-on-various-roadway-types\/","url_meta":{"origin":64326,"position":0},"title":"Radio World: NRSC Studies RF Noise on Various Roadway Types","author":"Thomas","date":"March 9, 2025","format":false,"excerpt":"Many thanks to SWLing Post contributor, Dennis Dure, who shares the following item from Radio World: NRSC Studies RF Noise on Various Roadway Types (Radio World) Radio World asked Cris Alexander to read the report and comment The National Radio Systems Committee recently published the results of a study on\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/03\/2025-03-09-at-07.14.04.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/03\/2025-03-09-at-07.14.04.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/03\/2025-03-09-at-07.14.04.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/03\/2025-03-09-at-07.14.04.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58438,"url":"https:\/\/swling.com\/blog\/2023\/12\/interference-wars\/","url_meta":{"origin":64326,"position":1},"title":"&#8220;Interference Wars&#8221;","author":"Thomas","date":"December 13, 2023","format":false,"excerpt":"Many thanks to a number of SWLing Post contributors who have shared this article from Tedium.co which takes a deeper dive into the issues and politics surrounding AM radio in EV automobiles in the US. Click here to read the full article on Tedium.","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\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/WHKY-AM-Towers-Transmitter-Site.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":8974,"url":"https:\/\/swling.com\/blog\/2014\/03\/wsj-fcc-agents-trace-radio-interference\/","url_meta":{"origin":64326,"position":2},"title":"WSJ: &#8220;FCC Agents Trace Radio Interference&#8221;","author":"Thomas","date":"March 12, 2014","format":false,"excerpt":"I'm happy to see RFI being mentioned in the Wall Street Journal. Many thanks to SWLing Post reader, Ulis, for the tip: (Source: Wall Street Journal) A federal agent who shows up unannounced at a building along a Texas highway might be looking for any number of things: illicit drugs\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Poorly engineered fluorescent ballasts are oftern culprits of broad spectrum radio interference. (Image: HowStuffWorks.com)","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/03\/how-to-install-a-fluorescent-lamp-1-300x195.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":61889,"url":"https:\/\/swling.com\/blog\/2025\/02\/comparing-the-tecsun-pl-880-and-pl-660-in-an-rfi-rich-environment\/","url_meta":{"origin":64326,"position":3},"title":"Comparing the Tecsun PL-880 and PL-660 in an RFI-Rich Environment","author":"Thomas","date":"February 1, 2025","format":false,"excerpt":"Many thanks to SWLing Post contributor Jeff McMahon, who notes that he\u2019s published a new post on his blog, The Herculodge. This time, Jeff examines the Tecsun PL-880 vs. PL-660, exposing the quirks and realities of DSP-based radios in his interference-heavy household. Jeff finds that in real-world conditions, the trusty\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/ECSS-PL-660.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/ECSS-PL-660.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/ECSS-PL-660.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/ECSS-PL-660.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":27076,"url":"https:\/\/swling.com\/blog\/2017\/07\/radioworld-steps-to-lower-noise-floor-and-revitalize-am-radio\/","url_meta":{"origin":64326,"position":4},"title":"RadioWorld: Steps to Lower Noise Floor and Revitalize AM Radio","author":"Thomas","date":"July 13, 2017","format":false,"excerpt":"(Source: RadioWorld via Richard Langley) Noise interference is the menace of all wireless broadcast communications services Background noise interference is degrading the quality of broadcast reception, two-way communications, mobile cellphone services and every other form of wireless communications used today at an alarming rate. The FCC and the ITU agree\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\/2016\/02\/WHKY-AM-Radio-Tower.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/WHKY-AM-Radio-Tower.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/WHKY-AM-Radio-Tower.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/WHKY-AM-Radio-Tower.jpg?resize=700%2C400 2x"},"classes":[]},{"id":7480,"url":"https:\/\/swling.com\/blog\/2013\/10\/document-radio-interference-via-the-ofcom-spectrum-management-survey\/","url_meta":{"origin":64326,"position":5},"title":"Document radio interference via the Ofcom Spectrum Management Survey","author":"Thomas","date":"October 3, 2013","format":false,"excerpt":"Nige (G7CNF) recently contacted me regarding a survey he has created to help document and fight radio interference from power line technology and other sources. If you live in the UK and can create an Ofcom case reference number, please consider contributing. Nige writes: I have created a new forum\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"PLT devices can produce broad spectrum noise on the shortwave\/amateur radio HF bands","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/10\/PowerLineTechnologies.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/64326","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=64326"}],"version-history":[{"count":1,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/64326\/revisions"}],"predecessor-version":[{"id":64327,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/64326\/revisions\/64327"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=64326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=64326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=64326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}