{"id":31794,"date":"2018-04-28T06:51:13","date_gmt":"2018-04-28T10:51:13","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=31794"},"modified":"2018-04-28T06:51:13","modified_gmt":"2018-04-28T10:51:13","slug":"darcs-initiative-to-track-the-state-of-radio-interference","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/04\/darcs-initiative-to-track-the-state-of-radio-interference\/","title":{"rendered":"DARC&#8217;s initiative to track the state of radio interference"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/DARC-Logo_Farbe-e1524912036746.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-31795\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/DARC-Logo_Farbe-1024x664.jpg\" alt=\"\" width=\"625\" height=\"405\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> contributor, Alexender (DL4NO), who shares the following comment in response to <a href=\"https:\/\/swling.com\/blog\/2018\/04\/darc-asks-that-you-send-rf-polluting-led-bulbs-to-elektor-magazine\/\">our recent post about LED bulb QRM<\/a>:<\/p>\n<blockquote><p>The DARC does even more: It is planning a long-term project with some 50 automatic monitoring stations with standardized, calibrated antennas and according to standardized methods to document the changes.<\/p>\n<p>Every monitoring station will scan the bands for free frequencies and measure the background noise there. Every 15 min it will send its findings to a central database where the data will be collected and evaluated.<\/p>\n<p>This way the DARC wants to document the ever increasing interferences in a way that is valid according to the relevant standards. Most monitoring stations are planned to be placed at fixed locations all over Germany. But a few are planned to be placed for a limited time in especially interesting locations.<\/p>\n<p>Presently relevant findings are collected. If you live in Germany see\u00a0<a href=\"https:\/\/www.darc.de\/der-club\/referate\/emv\/emv-abhilfemassnahmen\/\" rel=\"nofollow\">https:\/\/www.darc.de\/der-club\/referate\/emv\/emv-abhilfemassnahmen\/<\/a>. Also see the DARC magazine cqDL 12-2017, p. 15.<\/p>\n<p>To emphasize it again: Informal reports to your radio club are good. But if you wish to communicate with the legislative bodies you must do your measurements according to the standardized rules using calibrated equipment. Otherwise the authorities will not accept your findings.<\/p>\n<p>See:<br \/>\n<a href=\"https:\/\/www.itu.int\/dms_pubrec\/itu-r\/rec\/p\/R-REC-P.372-13-201609-I!!PDF-E.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.itu.int\/dms_pubrec\/itu-r\/rec\/p\/R-REC-P.372-13-201609-I!!PDF-E.pdf<\/a><br \/>\n<a href=\"https:\/\/www.itu.int\/dms_pubrec\/itu-r\/rec\/bs\/R-REC-BS.560-4-199710-I!!PDF-E.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.itu.int\/dms_pubrec\/itu-r\/rec\/bs\/R-REC-BS.560-4-199710-I!!PDF-E.pdf<\/a><\/p><\/blockquote>\n<p>Most impressive, Alexander! I love the fact that DARC is using objective observations to support their initiative. The concept is a fascinating one that I should hope other national radio clubs could copy. I will certainly send this to the ARRL.<\/p>\n<p>Thanks again, Alexander!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Alexender (DL4NO), who shares the following comment in response to our recent post about LED bulb QRM: The DARC does even more: It is planning a long-term project with some 50 automatic monitoring stations with standardized, calibrated antennas and according to standardized methods to document the changes. Every monitoring [&hellip;]<\/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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[545,3,43],"tags":[2268,3759,7003,4089,2651,453],"class_list":["post-31794","post","type-post","status-publish","format-standard","hentry","category-ham-radio","category-news","category-shortwave-radio","tag-alexander-von-obert-dl4no","tag-darc","tag-deutscher-amateur-radio-club","tag-qrm","tag-radio-frequency-interference","tag-rfi"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-8gO","jetpack-related-posts":[{"id":31783,"url":"https:\/\/swling.com\/blog\/2018\/04\/darc-asks-that-you-send-rf-polluting-led-bulbs-to-elektor-magazine\/","url_meta":{"origin":31794,"position":0},"title":"DARC asks that you send RF polluting LED bulbs to Elektor Magazine","author":"Thomas","date":"April 27, 2018","format":false,"excerpt":"(Source: Southgate ARC via Mike Hansgen) LED Bulb RF Pollution - Elektor Magazine investigates DARC, the German national amateur radio society, are requesting amateurs to send LED bulbs which pollute the RF spectrum to the magazine\u00a0Elektor\u00a0for investigation A Google English translation reads: Elektor-Verlag GmbH calls all readers and especially all\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Photo By Trung Pham Quoc","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/Light-Bulb-LED-1024x742.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/Light-Bulb-LED-1024x742.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/Light-Bulb-LED-1024x742.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":40834,"url":"https:\/\/swling.com\/blog\/2019\/11\/mark-your-calendars-christmas-on-air-event-to-honor-radio-luxembourg\/","url_meta":{"origin":31794,"position":1},"title":"Mark your calendars! Christmas on-air event to honor Radio Luxembourg","author":"Thomas","date":"November 28, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Alexander (DL4NO), who writes: For a very long time Radio Luxembourg was *the* pop music radio in Europe, especially in Germany and GB. At a time when Germany only had its public radio system, the Radio Luxembourg was the one and only. But this\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\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":43854,"url":"https:\/\/swling.com\/blog\/2020\/06\/the-2020-software-defined-radio-academy-will-be-held-online\/","url_meta":{"origin":31794,"position":2},"title":"The 2020 Software Defined Radio Academy will be held online","author":"Thomas","date":"June 14, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, Alexander (DL4NO), who shares the following announcement from Markus (DL8RDS): This year's Software Defined Radio Academy is taking place as an online conference. Because of the great number of contributions, we are spanning the conference over two days: Saturday June 27 and Sunday June\u2026","rel":"","context":"In &quot;Ham Radio&quot;","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\/2016\/04\/TitanSDRPro-Spectrum-31MB.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/04\/TitanSDRPro-Spectrum-31MB.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/04\/TitanSDRPro-Spectrum-31MB.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/04\/TitanSDRPro-Spectrum-31MB.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":40839,"url":"https:\/\/swling.com\/blog\/2019\/12\/reminder-christmas-on-air-event-to-honor-radio-luxembourg\/","url_meta":{"origin":31794,"position":3},"title":"Reminder: Christmas on-air event to honor Radio Luxembourg","author":"Thomas","date":"December 23, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Alexander (DL4NO), who writes: For a very long time Radio Luxembourg was *the* pop music radio in Europe, especially in Germany and GB. At a time when Germany only had its public radio system, the Radio Luxembourg was the one and only. But this\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\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Werbung_2._100_kW_Marathon_2019-1024x577.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":7480,"url":"https:\/\/swling.com\/blog\/2013\/10\/document-radio-interference-via-the-ofcom-spectrum-management-survey\/","url_meta":{"origin":31794,"position":4},"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":[]},{"id":43866,"url":"https:\/\/swling.com\/blog\/2020\/06\/radio-waves-radio-afghanistan-postal-delays-kph-video-and-the-software-defined-radio-academy\/","url_meta":{"origin":31794,"position":5},"title":"Radio Waves: Radio Afghanistan, Postal Delays, KPH Video, and the Software Defined Radio Academy","author":"Thomas","date":"June 15, 2020","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest\u00a0SWLing Post\u00a0readers.\u00a0 To that end:\u00a0Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a\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\/2018\/07\/Boat-Anchor-Dial-Silvertone-Precision-e1531303398781.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Boat-Anchor-Dial-Silvertone-Precision-e1531303398781.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Boat-Anchor-Dial-Silvertone-Precision-e1531303398781.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/07\/Boat-Anchor-Dial-Silvertone-Precision-e1531303398781.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31794","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=31794"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31794\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=31794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=31794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=31794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}