{"id":62989,"date":"2025-05-24T13:58:13","date_gmt":"2025-05-24T17:58:13","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=62989"},"modified":"2025-05-24T06:06:27","modified_gmt":"2025-05-24T10:06:27","slug":"strange-interference-near-13860-khz-mario-tracks-it-to-kaliningrad","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2025\/05\/strange-interference-near-13860-khz-mario-tracks-it-to-kaliningrad\/","title":{"rendered":"Strange Interference Near 13860 kHz: Mario Tracks It to Kaliningrad"},"content":{"rendered":"<p><strong>Many thanks to <em>SWLing Post<\/em> contributor, Mario, who writes:<\/strong><\/p>\n<p style=\"padding-left: 40px;\">Dear Thomas,<\/p>\n<p style=\"padding-left: 40px;\">It has been about two or three days since it was impossible for me to hear Radio Romania Int in Spanish (1900 UTC) from my home, at Zaragoza.<\/p>\n<p style=\"padding-left: 40px;\">A strange interference appeared close to my favourite SW station (13860). A little bit on the left of the waterfall an strange emission appeared jamming.<\/p>\n<p style=\"padding-left: 40px;\">After some research in your past entries I found that it could be a radar over the horizon.<\/p>\n<p style=\"padding-left: 40px;\">Using the TDoA function of the kiwisdr environment, I found the following:<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-62991\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png\" alt=\"\" width=\"1004\" height=\"871\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png 1004w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-300x260.png 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-768x666.png 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-624x541.png 624w\" sizes=\"auto, (max-width: 1004px) 100vw, 1004px\" \/><\/a><\/p>\n<p style=\"padding-left: 40px;\">If it worked properly, the emission source could come from Kaliningrad.<\/p>\n<p style=\"padding-left: 40px;\">According to old news, another 29B6 facility has been planned to be built in Kaliningrad.<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-62990\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-1.png\" alt=\"\" width=\"705\" height=\"592\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-1.png 705w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-1-300x252.png 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image-1-624x524.png 624w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/><\/a><\/p>\n<p><strong>Mario then sent the following update:<\/strong><\/p>\n<p style=\"padding-left: 40px;\">Well, it seems that the mystery has been resolved.<\/p>\n<p style=\"padding-left: 40px;\">I am pretty sure that is a new 29B6:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"sie3qgL7Ly\"><p><a href=\"https:\/\/www.dagens.com\/world\/a-1300-yards-wide-structure-appeared-on-satellite-images-this-is-the-kaliningrad-monster\/\">A 1300 Yards Wide Structure Appeared on Satellite Images &#8211; This Is The &#8220;Kaliningrad Monster&#8221;<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;A 1300 Yards Wide Structure Appeared on Satellite Images &#8211; This Is The &#8220;Kaliningrad Monster&#8221;&#8221; &#8212; Dagens EN\" src=\"https:\/\/www.dagens.com\/world\/a-1300-yards-wide-structure-appeared-on-satellite-images-this-is-the-kaliningrad-monster\/embed\/#?secret=7cRmzZ5CK8#?secret=sie3qgL7Ly\" data-secret=\"sie3qgL7Ly\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p style=\"padding-left: 40px;\">It can be see on some satellite imagery services (<a href=\"https:\/\/earthexplorer.usgs.gov\/\" target=\"_blank\" rel=\"noopener\">https:\/\/earthexplorer.usgs.gov\/<\/a>, at the coordinates of the previous link).<\/p>\n<p style=\"padding-left: 40px;\">It is not visible on Google satellite images or Bing maps.I hope they change their frequency shortly because they are messing my SW listening at radio Romania Intl in Spanish.<\/p>\n<p style=\"padding-left: 40px;\">Best regards.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Mario, who writes: Dear Thomas, It has been about two or three days since it was impossible for me to hear Radio Romania Int in Spanish (1900 UTC) from my home, at Zaragoza. A strange interference appeared close to my favourite SW station (13860). A little bit on the [&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":[3,43,9589],"tags":[4368,5768,8131,8132],"class_list":["post-62989","post","type-post","status-publish","format-standard","hentry","category-news","category-shortwave-radio","category-utility","tag-oth","tag-oth-radar","tag-othr","tag-othr-qrm"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-gnX","jetpack-related-posts":[{"id":40622,"url":"https:\/\/swling.com\/blog\/2019\/11\/contayner-over-the-horizon-radar-site-polluting-the-hf-spectrum\/","url_meta":{"origin":62989,"position":0},"title":"Contayner Over-The-Horizon Radar site polluting the HF spectrum","author":"Thomas","date":"November 14, 2019","format":false,"excerpt":"Many thanks to\u00a0SWLing Post\u00a0contributor,\u00a0Paul Evans, who writes: The news from IARU Region 1 observer reports is all over the radio internet (including news sites and other blogs), but the extent of this [Russian] OTHR is grim. [Click here to read a recent ARRL News post.] It is also entering service\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\/2019\/11\/Contayner-OTH-RADAR-Spectrum-Display-Waterfall.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Contayner-OTH-RADAR-Spectrum-Display-Waterfall.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Contayner-OTH-RADAR-Spectrum-Display-Waterfall.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/Contayner-OTH-RADAR-Spectrum-Display-Waterfall.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":23031,"url":"https:\/\/swling.com\/blog\/2016\/12\/looking-at-hf-oth-radar\/","url_meta":{"origin":62989,"position":1},"title":"Looking at HF OTH RADAR","author":"Thomas","date":"December 31, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor, Trevor, who shares this link to a blog post from\u00a0Daniel Estevez\u00a0describing the characteristics of HF OTH RADAR: Most amateur operators are familiar with over-the-horizon radars in the HF bands. They sometimes pop up in the Amateur bands, rendering several tens of kilohertzs unusable. Inspired\u2026","rel":"","context":"In &quot;Digital Modes&quot;","block_context":{"text":"Digital Modes","link":"https:\/\/swling.com\/blog\/category\/digital-modes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/OTH-RADAR-Waterfall.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/OTH-RADAR-Waterfall.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/OTH-RADAR-Waterfall.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":15422,"url":"https:\/\/swling.com\/blog\/2015\/11\/hearing-ghadir-irans-sepehr-phased-radar-system\/","url_meta":{"origin":62989,"position":2},"title":"Hearing Ghadir: Iran\u2019s Sepehr Phased Radar System","author":"Thomas","date":"November 3, 2015","format":false,"excerpt":"In response to Andrea's UVB-76 recording, SWLing Post contributor, Mehdi, comments: Thomas, another signal which may sound mysterious: Iran\u2019s OTH Radar, named \u201cGhadir\u201d; part of Iran\u2019s Sepehr Phased Radar System. They\u2019d polluted the 10-meter band [in the past]; now they transmit on 26MHZ. (See spectrum in screen capture above.) Sound:\u2026","rel":"","context":"In &quot;Digital Modes&quot;","block_context":{"text":"Digital Modes","link":"https:\/\/swling.com\/blog\/category\/digital-modes\/"},"img":{"alt_text":"Mehdi-Waterfall","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall-1024x551.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall-1024x551.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall-1024x551.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":60255,"url":"https:\/\/swling.com\/blog\/2024\/07\/radio-waves-who-will-pay-ham-radio-culture-oth-support-night-of-nights-and-100-years-of-radio\/","url_meta":{"origin":62989,"position":3},"title":"Radio Waves: Who Will Pay, Ham Radio Culture, OTH Support, CarnationFM, Night of Nights, and 100 Years of Radio","author":"Thomas","date":"July 25, 2024","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a collection of links to interesting stories making waves in the world of radio.\u00a0Enjoy! Many thanks to SWLing Post contributors Richard Cuff, Dennis Dura, David Korchin, Roger Fitzharris, David Iurescia, and NT for the\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/10\/Soviet-Radio-Dial-e1539517556232.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/10\/Soviet-Radio-Dial-e1539517556232.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/10\/Soviet-Radio-Dial-e1539517556232.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/10\/Soviet-Radio-Dial-e1539517556232.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":34908,"url":"https:\/\/swling.com\/blog\/2018\/11\/spacexs-falcon-9-payload-includes-the-hawkeye-360-radio-wave-emission-seeker\/","url_meta":{"origin":62989,"position":4},"title":"SpaceX&#8217;s Falcon 9 payload includes the HawkEye 360 radio-wave emission seeker","author":"Thomas","date":"November 20, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Bal\u00e1zs Kov\u00e1cs, who shares the following: Hi Thomas, Just found: the launch of the SpaceX's Falcon 9 rocket was delayed today, part of the load is a new radio-wave emission seeker satellite system the Pathfinder from HawkEye 360: https:\/\/www.businessinsider.com\/spacex-to-launch-70-satellites-radio-tracking-2018-11 Some parts from the article:\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\/2018\/11\/Hawkeye360-1024x568.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/11\/Hawkeye360-1024x568.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/11\/Hawkeye360-1024x568.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":15173,"url":"https:\/\/swling.com\/blog\/2015\/10\/a-v-club-reviews-the-russian-woodpecker\/","url_meta":{"origin":62989,"position":5},"title":"A.V.Club reviews &#8220;The Russian Woodpecker&#8221;","author":"Thomas","date":"October 16, 2015","format":false,"excerpt":"Many thanks to SWLing Post reader, Charles, who writes: Thomas, you might find this movie review of \"The Russian Woodpecker\" interesting. Looks like the film is more conspiracy than investigative reporting. Too bad. Having dealt with Woodpecker noise during\u00a0my ham radio career, it would have been fun to know more\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Duga-3-Woodpecker","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Duga-3-Woodpecker.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Duga-3-Woodpecker.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Duga-3-Woodpecker.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/62989","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=62989"}],"version-history":[{"count":1,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/62989\/revisions"}],"predecessor-version":[{"id":62992,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/62989\/revisions\/62992"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=62989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=62989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=62989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}