{"id":15422,"date":"2015-11-03T20:27:43","date_gmt":"2015-11-04T00:27:43","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=15422"},"modified":"2015-11-03T20:27:43","modified_gmt":"2015-11-04T00:27:43","slug":"hearing-ghadir-irans-sepehr-phased-radar-system","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2015\/11\/hearing-ghadir-irans-sepehr-phased-radar-system\/","title":{"rendered":"Hearing Ghadir: Iran\u2019s Sepehr Phased Radar System"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-15424\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall-1024x551.jpg\" alt=\"Mehdi-Waterfall\" width=\"640\" height=\"344\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall.jpg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Mehdi-Waterfall-300x161.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>In response to <a href=\"http:\/\/swling.com\/blog\/2015\/11\/uvb-76-the-buzzer-surfaces-on-6998-khz\/\">Andrea&#8217;s UVB-76 recording<\/a>, <em>SWLing Post<\/em> contributor, Mehdi, comments:<\/p>\n<blockquote><p>Thomas, another signal which may sound mysterious:<\/p>\n<p>Iran\u2019s OTH Radar, named \u201cGhadir\u201d; part of Iran\u2019s Sepehr Phased Radar System.<\/p>\n<p>They\u2019d polluted the 10-meter band [in the past]; now they transmit on 26MHZ. (See spectrum in screen capture above.)<\/p>\n<p>Sound: <a href=\"https:\/\/clyp.it\/ldpxab2a\" rel=\"nofollow\">https:\/\/clyp.it\/ldpxab2a<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" src=\"https:\/\/clyp.it\/ldpxab2a\/widget\" width=\"100%\" height=\"160\" frameborder=\"0\"><\/iframe><\/p>\n<blockquote><p>By the way, here\u2019s my recording of UVB-76:<br \/>\n<a href=\"https:\/\/clyp.it\/knvubeur\" rel=\"nofollow\">https:\/\/clyp.it\/knvubeur<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" src=\"https:\/\/clyp.it\/knvubeur\/widget\" width=\"100%\" height=\"160\" frameborder=\"0\"><\/iframe><\/p>\n<p>Many thanks for sharing those audio clips, Mehdi! Now I&#8217;ll know what Ghadir sounds like, should I hear it on the bands.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In response to Andrea&#8217;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: https:\/\/clyp.it\/ldpxab2a By the way, here\u2019s [&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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1114,3,746,43],"tags":[4366,1162,4367,4370,4371,4368,4369],"class_list":["post-15422","post","type-post","status-publish","format-standard","hentry","category-digital-modes","category-news","category-recordings","category-shortwave-radio","tag-ghadir","tag-iran","tag-iran-oth-radar","tag-iran-sepehr-phased-radar-system","tag-mehdi","tag-oth","tag-over-the-horizon-radar"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-40K","jetpack-related-posts":[{"id":23031,"url":"https:\/\/swling.com\/blog\/2016\/12\/looking-at-hf-oth-radar\/","url_meta":{"origin":15422,"position":0},"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":40622,"url":"https:\/\/swling.com\/blog\/2019\/11\/contayner-over-the-horizon-radar-site-polluting-the-hf-spectrum\/","url_meta":{"origin":15422,"position":1},"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":16881,"url":"https:\/\/swling.com\/blog\/2016\/01\/first-iranian-ham-radio-contest\/","url_meta":{"origin":15422,"position":2},"title":"First Iranian ham radio contest","author":"Mehdi Asgari","date":"January 18, 2016","format":false,"excerpt":"To celebrate 37th anniversary of Iranian Islamic revolution, the first Iranian ham contest is going to be held on February 1st, 2016 and will last for 10 days. Objective: To encourage and increase contacts (especially DX ones) with Iranian radio amateurs. Dates: Contest Period: 10 days (Feb 01, 00:00 UTC\u2026","rel":"","context":"In &quot;Current Events&quot;","block_context":{"text":"Current Events","link":"https:\/\/swling.com\/blog\/category\/current-events\/"},"img":{"alt_text":"Iran-Map","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/Iran-Map.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/Iran-Map.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/Iran-Map.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/Iran-Map.jpg?resize=700%2C400 2x"},"classes":[]},{"id":62989,"url":"https:\/\/swling.com\/blog\/2025\/05\/strange-interference-near-13860-khz-mario-tracks-it-to-kaliningrad\/","url_meta":{"origin":15422,"position":3},"title":"Strange Interference Near 13860 kHz: Mario Tracks It to Kaliningrad","author":"Thomas","date":"May 24, 2025","format":false,"excerpt":"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).\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\/05\/image.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/05\/image.png?resize=700%2C400&ssl=1 2x"},"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":15422,"position":4},"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":49359,"url":"https:\/\/swling.com\/blog\/2021\/06\/can-you-id-these-hf-transmissions\/","url_meta":{"origin":15422,"position":5},"title":"Can you ID these HF transmissions?","author":"Thomas","date":"June 23, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Carlos Latuff, who shares the following video of sounds he heard on HF. Carlos adds, \"Are we in the Twilight Zone or Lost in Space? They sound like effects from a 60's\/70's sci-fi movie!\" https:\/\/youtu.be\/mSKPgKCvMNI Those sounds are wild! The stuff of Star Wars.\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\/03\/XHDATA-D-808-Right-Side.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-Right-Side.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-Right-Side.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/XHDATA-D-808-Right-Side.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/15422","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=15422"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/15422\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=15422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=15422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=15422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}