{"id":63912,"date":"2025-09-09T07:09:42","date_gmt":"2025-09-09T11:09:42","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=63912"},"modified":"2025-09-09T07:09:42","modified_gmt":"2025-09-09T11:09:42","slug":"noise-reduction-ideas-via-hackaday-electronics-unmessed","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2025\/09\/noise-reduction-ideas-via-hackaday-electronics-unmessed\/","title":{"rendered":"Noise-Reduction Ideas via Hackaday & Electronics Unmessed"},"content":{"rendered":"

\"\"<\/a>Many thanks to SWLing Post<\/em> contributor Dennis Dura for sharing this excellent Hackaday feature: Quieting That Radio<\/a>. If you\u2019ve ever struggled to hear weak signals through modern RFI, this piece, featuring content from Electronics Unmessed<\/a>, is well worth checking out. It explores the hidden interference SDR setups often face and offers simple, practical\/inexpensive fixes\u2014like adding a counterpoise or ferrite choke\u2014that can make all the difference in pulling in those hard-to-hear stations. This is advice we’ve recommended in past articles, but it’s brilliant to see demonstrated improvement.<\/p>\n

Click here to read on Hackaday.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Many thanks to SWLing Post contributor Dennis Dura for sharing this excellent Hackaday feature: Quieting That Radio. If you\u2019ve ever struggled to hear weak signals through modern RFI, this piece, featuring content from Electronics Unmessed, is well worth checking out. It explores the hidden interference SDR setups often face and offers simple, practical\/inexpensive fixes\u2014like adding […]<\/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":[3,196,139,43],"tags":[10905,3354,4089,453],"class_list":["post-63912","post","type-post","status-publish","format-standard","hentry","category-news","category-qrm","category-radio-modifications","category-shortwave-radio","tag-electronics-unmessed","tag-hackaday","tag-qrm","tag-rfi"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-gCQ","jetpack-related-posts":[{"id":15374,"url":"https:\/\/swling.com\/blog\/2015\/10\/hackaday-secret-radio-stations-by-the-numbers\/","url_meta":{"origin":63912,"position":0},"title":"Hackaday: “Secret Radio Stations by the Numbers”","author":"Thomas","date":"October 31, 2015","format":false,"excerpt":"(Source: Hackaday via Andrea Borgnino) One thing has stayed with the James Bond movie franchise through the decades: Mr. Bond always has the most wonderful of gadgets. Be it handheld, car-based, or otherwise, there\u2019s always something to thrill that is mostly believable. The biggest problem with all of those gadgets\u2026","rel":"","context":"In "News"","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"SWLingPost-Spy-Numbers-Station","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":11217,"url":"https:\/\/swling.com\/blog\/2014\/10\/portablesdr-the-holy-grail-of-portable-sdr-transceivers\/","url_meta":{"origin":63912,"position":1},"title":"PortableSDR: The Holy Grail of portable SDR transceivers?","author":"Thomas","date":"October 28, 2014","format":false,"excerpt":"Many thanks to my buddy, Bennett Kobb (AK4AV), who shares information about the\u00a0PortableSDR, one of five finalists in The Hackaday Prize. PortableSDR creator,\u00a0Michael R Colton, describes his project on Hackaday: \"The PSDR is a completely stand-alone (no computer needed), compact, Portable Software Defined Transceiver (hence the name, sorta). Originally designed\u2026","rel":"","context":"In "New Products"","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"PortableSDR","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PortableSDR-1024x465.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PortableSDR-1024x465.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PortableSDR-1024x465.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":48268,"url":"https:\/\/swling.com\/blog\/2021\/03\/jack-finds-that-chokes-have-a-huge-impact-on-switching-power-supply-noise\/","url_meta":{"origin":63912,"position":2},"title":"Jack finds that chokes have a huge impact on switching power supply noise","author":"Thomas","date":"March 28, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Jack Dully, who writes: I was putting some things in my radio junk parts box and came across some chokes. So I tried a test with my Tecsun PL-880 on battery and the Tecsun supplied switching AC adapter, with and without chokes on the\u2026","rel":"","context":"In "Ham Radio"","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/PowerAdaptor.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/PowerAdaptor.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/05\/PowerAdaptor.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":40023,"url":"https:\/\/swling.com\/blog\/2019\/10\/al-williams-hackaday-article-about-moon-bounce\/","url_meta":{"origin":63912,"position":3},"title":"Al Williams’ Hackaday article about Moon Bounce","author":"Thomas","date":"October 4, 2019","format":false,"excerpt":"(Source: Southgate ARC) Al Williams WD5GNR\u00a0writes on Hackaday about bouncing amateur radio signals off the moon One of the great things about ham radio is that isn\u2019t just one hobby. Some people like to chit chat, some like to work foreign countries, some prepare for emergencies, and there are several\u2026","rel":"","context":"In "Ham Radio"","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/77_lro_full-moon-NASA.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/77_lro_full-moon-NASA.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/77_lro_full-moon-NASA.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/77_lro_full-moon-NASA.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":64588,"url":"https:\/\/swling.com\/blog\/2025\/11\/hackaday-the-cold-war-era-survivable-low-frequency-communication-system-slfcs\/","url_meta":{"origin":63912,"position":4},"title":"Hackaday: The Cold War-Era Survivable Low-Frequency Communication System (SLFCS)","author":"Thomas","date":"November 13, 2025","format":false,"excerpt":"Many thanks to SWLing Post contributor Dennis Dura, who shares the following article about Cold War\u2013era low-frequency communications, from Hackaday: During the Cold War, the U.S. developed the Survivable Low-Frequency Communication System (SLFCS) \u2014 a radio network designed to function even after a nuclear attack. Using long-wavelength LF and VLF\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\/2025\/11\/Oscar-Zero_Missile_Alert_Facility_Minuteman_ICBM_Launch_Control_20100410.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/11\/Oscar-Zero_Missile_Alert_Facility_Minuteman_ICBM_Launch_Control_20100410.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/11\/Oscar-Zero_Missile_Alert_Facility_Minuteman_ICBM_Launch_Control_20100410.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":15792,"url":"https:\/\/swling.com\/blog\/2015\/11\/hackaday-recounts-an-an-unlikely-radio-story\/","url_meta":{"origin":63912,"position":5},"title":"Hackaday recounts an “An Unlikely Radio Story”","author":"Thomas","date":"November 26, 2015","format":false,"excerpt":"Many thanks to SWLing Post reader,\u00a0Michael Letterle, who shares this story from the excellent website Hackaday. The following is an excerpt from Swans, Pigs, and the CIA: An Ulikey Radio Story: Shortwave radio is boring, right? Maybe not. You never know what intrigue and excitement you might intercept. We recently\u2026","rel":"","context":"In "News"","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"SWLingPost-Spy-Numbers-Station","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63912","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=63912"}],"version-history":[{"count":1,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63912\/revisions"}],"predecessor-version":[{"id":63913,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/63912\/revisions\/63913"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=63912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=63912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=63912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}