{"id":12326,"date":"2015-02-17T09:39:38","date_gmt":"2015-02-17T13:39:38","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=12326"},"modified":"2015-02-17T11:08:44","modified_gmt":"2015-02-17T15:08:44","slug":"catching-a-usaf-hf-gcs-transmission-in-morocco","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2015\/02\/catching-a-usaf-hf-gcs-transmission-in-morocco\/","title":{"rendered":"Catching a USAF HF-GCS transmission in Morocco"},"content":{"rendered":"<p>My buddy,\u00a0<a class=\"ProfileHeaderCard-screennameLink u-linkComplex js-nav\" href=\"https:\/\/twitter.com\/K7al_L3afta\">@<span class=\"u-linkComplex-target\">K7al_L3afta<\/span><\/a>\u00a0(on Twitter), posted this interesting recording of the US Air Force\u00a0<a href=\"http:\/\/en.wikipedia.org\/wiki\/High_Frequency_Global_Communications_System\">High Frequency Global Communications System<\/a>\u00a0on 15,016 kHz USB at 18:01 UTC yesterday:<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/w.soundcloud.com\/player\/?url=https%3A\/\/api.soundcloud.com\/tracks\/191445916&amp;auto_play=false&amp;hide_related=false&amp;show_comments=true&amp;show_user=true&amp;show_reposts=false&amp;visual=true\" width=\"100%\" height=\"250\" frameborder=\"no\" scrolling=\"no\"><\/iframe><\/p>\n<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/02\/HF-GCS-logo.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-12327\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/02\/HF-GCS-logo.jpeg\" alt=\"HF-GCS-logo\" width=\"163\" height=\"219\" \/><\/a>I don&#8217;t believe I&#8217;ve ever heard or noticed this type of USAF HF-GCS transmission before. \u00a0Sounds almost like a <a href=\"http:\/\/swling.com\/blog\/category\/numbers-stations\/\" target=\"_blank\">numbers station<\/a>.<\/p>\n<p><strong>Update<\/strong>: SWLing Post reader, Daniele, comments:<\/p>\n<blockquote><p>It&#8217;s an EAM, \u201cEmergency Action Message\u201d:<\/p>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Emergency_Action_Message\" rel=\"nofollow\">http:\/\/en.wikipedia.org\/wiki\/Emergency_Action_Message<\/a><\/p>\n<p><a href=\"http:\/\/mt-milcom.blogspot.it\/p\/what-is-emergency-action-message-or-eam.html\" rel=\"nofollow\">http:\/\/mt-milcom.blogspot.it\/p\/what-is-emergency-action-message-or-eam.html<\/a><\/p>\n<p><a href=\"http:\/\/www.monitoringtimes.com\/html\/eam.html\" rel=\"nofollow\">http:\/\/www.monitoringtimes.com\/html\/eam.html<\/a><\/p><\/blockquote>\n<p>Thanks, Daniele!<\/p>\n<p>As I&#8217;ve mentioned before,\u00a0<a class=\"ProfileHeaderCard-screennameLink u-linkComplex js-nav\" href=\"https:\/\/twitter.com\/K7al_L3afta\">@<span class=\"u-linkComplex-target\">K7al_L3afta<\/span><\/a>\u00a0lives in an urban area of Morocco and his shortwave radio listening is plagued with radio interference (RFI). Still, he seems to snag some interesting catches on the shortwaves just like this one which he said he caught\u00a0by &#8220;turning the tuning knob randomly.&#8221;<\/p>\n<p>Serendipity is, indeed, the best type of SWLing!<\/p>\n<p><em>You can follow\u00a0<a class=\"ProfileHeaderCard-screennameLink u-linkComplex js-nav\" href=\"https:\/\/twitter.com\/K7al_L3afta\"><strong>@<\/strong><span class=\"u-linkComplex-target\"><strong>K7al_L3afta<\/strong> on Twitter by clicking here<\/span><\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>My buddy,\u00a0@K7al_L3afta\u00a0(on Twitter), posted this interesting recording of the US Air Force\u00a0High Frequency Global Communications System\u00a0on 15,016 kHz USB at 18:01 UTC yesterday: I don&#8217;t believe I&#8217;ve ever heard or noticed this type of USAF HF-GCS transmission before. \u00a0Sounds almost like a numbers station. Update: SWLing Post reader, Daniele, comments: It&#8217;s an EAM, \u201cEmergency Action [&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":[3,746,5,1167],"tags":[3626,3553,3624,3628,4106,3623,3625,3627],"class_list":["post-12326","post","type-post","status-publish","format-standard","hentry","category-news","category-recordings","category-swlers","category-whats-on-shortwave","tag-15016-khz","tag-k7al_l3afta","tag-high-frequency-global-communications-system","tag-military","tag-recordings","tag-usaf-hf-gcs","tag-usaf-high-frequency-global-communications-system","tag-utility"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-3cO","jetpack-related-posts":[{"id":12690,"url":"https:\/\/swling.com\/blog\/2015\/03\/shortwave-radio-recordings-eam-messages\/","url_meta":{"origin":12326,"position":0},"title":"Shortwave Radio Recordings: EAM messages","author":"Thomas","date":"March 24, 2015","format":false,"excerpt":"Inspired by SWLing Post reader\u00a0@K7al_L3afta, a few weeks ago, I monitored\u00a015,016 kHz\u00a0for US Air Force EAM (Emergency Action Messages). I'm no expert on military communications, but I did manage to catch a few messages--that I assume are EAM(?)--on the same frequency. All of these recordings were made on\u00a0the afternoon of\u00a0February\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"StrategicAirCommand","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/StrategicAirCommand.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/StrategicAirCommand.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/StrategicAirCommand.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":20530,"url":"https:\/\/swling.com\/blog\/2016\/08\/usaf-wants-to-release-ionized-gas-in-the-upper-atmosphere-to-improve-hf\/","url_meta":{"origin":12326,"position":1},"title":"USAF wants to release ionized gas in the upper atmosphere to improve HF","author":"Thomas","date":"August 11, 2016","format":false,"excerpt":"(Source: Southgate ARC) New Scientist magazine reports the US Air Force is working on plans to improve HF radio propagation by releasing ionised gas in the upper atmosphere using a fleet of micro satellites As well as increasing the range of radio signals, the USAF says it wants to smooth\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Earth","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/Earth.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/Earth.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/Earth.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":32660,"url":"https:\/\/swling.com\/blog\/2018\/06\/white-alice-communications-system-a-precursor-to-usaf-sat-comms\/","url_meta":{"origin":12326,"position":2},"title":"White Alice Communications System: a precursor to USAF sat comms","author":"Thomas","date":"June 6, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Steven Crawford, who writes: Came across this article about a communications system that was a precursor to sat comms for the Air Force and thought it may be of interest to your followers. (Source: Abandoned Spaces) Equipped with up to 80 radio stations, this\u2026","rel":"","context":"In &quot;Articles&quot;","block_context":{"text":"Articles","link":"https:\/\/swling.com\/blog\/category\/articles\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/06\/the-st-lawrence-island-site-author-640x374.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/06\/the-st-lawrence-island-site-author-640x374.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/06\/the-st-lawrence-island-site-author-640x374.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":13061,"url":"https:\/\/swling.com\/blog\/2015\/04\/listening-to-the-nepal-emergency-amateur-radio-nets\/","url_meta":{"origin":12326,"position":3},"title":"Listening to the Nepal Emergency Amateur Radio Nets","author":"Thomas","date":"April 27, 2015","format":false,"excerpt":"My pal,\u00a0@K7al_L3afta, recently posted the following recording of the\u00a0Nepal emergency amateur radio net via Twitter: https:\/\/soundcloud.com\/k7al_l3afta\/nepal-emergency-amateur-radio-net-14205-khz He also recorded this short segment relaying that A65DR is alive and well: https:\/\/soundcloud.com\/k7al_l3afta\/paul-a65dr-is-alive-and-safe-nepal-emergency-amateur-radio-net-14205-khz @K7al_L3afta is using a PL-660 in an RFI-heavy, urban environment in Morocco. Even knowing some of these operators are using\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Nepal-Earthquake-Map","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/04\/Nepal-Earthquake-Map.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/04\/Nepal-Earthquake-Map.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/04\/Nepal-Earthquake-Map.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":65280,"url":"https:\/\/swling.com\/blog\/2026\/02\/part-one-a-beginners-guide-to-ale\/","url_meta":{"origin":12326,"position":4},"title":"Part One: A Beginner\u2019s Guide to ALE","author":"Thomas","date":"February 8, 2026","format":false,"excerpt":"Many thanks to SWLing Post contributor\u00a0Don Moore\u2013noted\u00a0author, traveler, and DXer\u2013who shares the following post: A Beginner\u2019s Guide to ALE:\u00a0Part One By Don Moore Don\u2019s traveling DX stories can be found in his book Tales of a Vagabond DXer [SWLing Post affiliate link]. If you\u2019ve already read his book and enjoyed\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\/2026\/02\/Header-ALE-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2026\/02\/Header-ALE-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2026\/02\/Header-ALE-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2026\/02\/Header-ALE-1.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":38362,"url":"https:\/\/swling.com\/blog\/2019\/06\/can-you-identify-this-hallicrafters-model-onboard-the-columbine-iii\/","url_meta":{"origin":12326,"position":5},"title":"Can you identify this Hallicrafters model onboard the Columbine III?","author":"Thomas","date":"June 30, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Robert Yowell, who writes: I was visiting the US Air Force Museum [Friday] and walked through \u201cColumbine III\u201d which was the Lockheed Constellation used as Air Force One by President Eisenhower from 1954 until he left office. In the back of the cabin was\u2026","rel":"","context":"In &quot;Aviation&quot;","block_context":{"text":"Aviation","link":"https:\/\/swling.com\/blog\/category\/aviation\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/160426-F-IO108-013.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/160426-F-IO108-013.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/160426-F-IO108-013.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/160426-F-IO108-013.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/12326","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=12326"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/12326\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=12326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=12326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=12326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}