{"id":27076,"date":"2017-07-13T07:32:28","date_gmt":"2017-07-13T11:32:28","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=27076"},"modified":"2017-07-13T07:32:28","modified_gmt":"2017-07-13T11:32:28","slug":"radioworld-steps-to-lower-noise-floor-and-revitalize-am-radio","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2017\/07\/radioworld-steps-to-lower-noise-floor-and-revitalize-am-radio\/","title":{"rendered":"RadioWorld: Steps to Lower Noise Floor and Revitalize AM Radio"},"content":{"rendered":"

\"\"<\/a><\/p>\n

(Source: RadioWorld<\/a> via Richard Langley)<\/p>\n

Noise interference is the menace of all wireless broadcast communications services<\/strong><\/p>\n

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.<\/p>\n

The FCC and the ITU agree that the DC to 60 GHz+ wide-spectrum background noise floor is increasing as more and more unregulated electronic devices are used by more consumers in more ways every day.<\/p>\n

While it is true that large numbers of these devices have been in use for some time, the question becomes: What can we do to lower the noise floor now that the floodgates of unregulated devices have been open for so long? Is this an impossible task? I believe the answer is an emphatic \u201cno.\u201d[…]<\/p><\/blockquote>\n

Continue reading the full article at RadioWorld online.<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

(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 that the DC to 60 […]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","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":[373,433,3,196,43],"tags":[4784,4089,197,3801,453,3516],"class_list":["post-27076","post","type-post","status-publish","format-standard","hentry","category-am","category-mediumwave","category-news","category-qrm","category-shortwave-radio","tag-am-broadcasting","tag-qrm","tag-radio-interference","tag-radioworld","tag-rfi","tag-richard-langley"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-72I","jetpack-related-posts":[{"id":7480,"url":"https:\/\/swling.com\/blog\/2013\/10\/document-radio-interference-via-the-ofcom-spectrum-management-survey\/","url_meta":{"origin":27076,"position":0},"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 "News"","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":[]},{"id":31355,"url":"https:\/\/swling.com\/blog\/2018\/03\/radioworld-radio-caroline-returns-to-its-roots\/","url_meta":{"origin":27076,"position":1},"title":"RadioWorld: “Radio Caroline Returns to Its Roots”","author":"Thomas","date":"March 27, 2018","format":false,"excerpt":"(Source: RadioWorld via Mike Hansgen) The station is now operating 24 hours seven days a week on AM NEAR COLCHESTER, England \u2014 Well into its second half-century of broadcasting, Radio Caroline has begun the next phase of its operations, returning to wide-area AM transmissions for the first time in nearly\u2026","rel":"","context":"In "AM"","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\/03\/Ross-Revenge-Caroline.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/03\/Ross-Revenge-Caroline.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/03\/Ross-Revenge-Caroline.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":26199,"url":"https:\/\/swling.com\/blog\/2017\/06\/radioworld-fcc-puts-pirate-activity-in-spotlight\/","url_meta":{"origin":27076,"position":2},"title":"RadioWorld: FCC Puts Pirate Activity in Spotlight","author":"Thomas","date":"June 6, 2017","format":false,"excerpt":"(Source: RadioWorld via Bill Patalon) Over the course of two days in May, the Federal Communications Commission took action on four allegedly unlicensed pirate radio operators. In all these cases \u2014 one in Mount Vernon, N.Y., one in Dallas and three in a single location in East Orange, N.J. \u2014\u2026","rel":"","context":"In "News"","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\/2017\/03\/dial-analog.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg?resize=700%2C400 2x"},"classes":[]},{"id":8974,"url":"https:\/\/swling.com\/blog\/2014\/03\/wsj-fcc-agents-trace-radio-interference\/","url_meta":{"origin":27076,"position":3},"title":"WSJ: “FCC Agents Trace Radio Interference”","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 "AM"","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":13493,"url":"https:\/\/swling.com\/blog\/2015\/06\/richards-search-to-find-the-best-swling-spot-on-campus\/","url_meta":{"origin":27076,"position":4},"title":"Richard’s search to find the best SWLing spot on campus","author":"Thomas","date":"June 12, 2015","format":false,"excerpt":"SWLing Post contributor, Richard Langley, has been seeking the perfect spot on the campus of the University of New Brunswick (UNB) to listen to shortwave. He recently shared the following: Here's a link to a brief video of my recording of last weekend's VOA Radiogram \"in the field\" (a UNB\u2026","rel":"","context":"In "AM"","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Richard-UNB","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/06\/Richard-UNB.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/06\/Richard-UNB.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/06\/Richard-UNB.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":64326,"url":"https:\/\/swling.com\/blog\/2025\/10\/radio-world-john-kean-examines-modern-am-interference-challenges\/","url_meta":{"origin":27076,"position":5},"title":"Radio World: John Kean Examines Modern AM Interference Challenges","author":"Thomas","date":"October 22, 2025","format":false,"excerpt":"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\u2026","rel":"","context":"In "AM"","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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/27076","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=27076"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/27076\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=27076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=27076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=27076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}