{"id":67014,"date":"2026-09-05T07:47:05","date_gmt":"2026-09-05T11:47:05","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=67014"},"modified":"2026-09-05T07:47:05","modified_gmt":"2026-09-05T11:47:05","slug":"radio-waves-uvb-76-activity-90-years-of-broadcasting-in-former-czechoslovakia-fm-diversity-reception-and-rescuers-use-qrp-labs-qdx-in-cave","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2026\/09\/radio-waves-uvb-76-activity-90-years-of-broadcasting-in-former-czechoslovakia-fm-diversity-reception-and-rescuers-use-qrp-labs-qdx-in-cave\/","title":{"rendered":"Radio Waves: UVB-76 Activity, 90 Years of Broadcasting in Former Czechoslovakia, FM Diversity Reception, and Rescuers use QRP Labs QDX in Cave"},"content":{"rendered":"<div id=\"attachment_35388\" style=\"width: 890px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-35388\" class=\"size-full wp-image-35388\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta.jpg\" alt=\"\" width=\"880\" height=\"630\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta.jpg 880w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta-300x215.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta-768x550.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/ceskoslovensky_rozhlas_vinohradska_30_leta-624x447.jpg 624w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/a><p id=\"caption-attachment-35388\" class=\"wp-caption-text\">Czechoslovak Radio in the mid-1930s, photo: Czech Radio<\/p><\/div>\n<h2>Radio Waves: Stories Making Waves in the World of Radio<\/h2>\n<p><strong>Welcome to the <em>SWLing Post\u2019s<\/em> <em>Radio Waves<\/em>, a collection of links to interesting stories making waves in the world of radio. <\/strong><strong>Enjoy!<\/strong><\/p>\n<p><strong>Many thanks to <em>SWLing Post<\/em> contributors Dan Robinson, Rich Cuff, Dennis Dura, and Mike for the following tips:<\/strong><\/p>\n<hr \/>\n<h2><a href=\"https:\/\/www.ynetnews.com\/article\/h1u11prk00fg\" target=\"_blank\" rel=\"noopener\">Russia\u2019s \u2018Doomsday Radio\u2019 erupts with coded messages after CIA chief\u2019s Moscow visit (Ynet Global)<\/a><\/h2>\n<p>The secretive UVB-76 station interrupted its trademark buzzing at least 25 times a day after John Ratcliffe\u2019s visit, reviving speculation over its military role as Baltic states seek to calm fears of a possible Russian attack<\/p>\n<p>[<a href=\"https:\/\/www.ynetnews.com\/article\/h1u11prk00fg\" target=\"_blank\" rel=\"noopener\">Continue reading\u2026<\/a>]<\/p>\n<hr \/>\n<h2><a href=\"https:\/\/enrsi.stvr.sk\/articles\/Culture\/458712\/90-years-of-international-broadcasting-in-former-czechoslovakia\" target=\"_blank\" rel=\"noopener\">90 Years of International Broadcasting in Former Czechoslovakia &#8211; Culture &#8211; R\u00e1dio RSI English &#8211; STVR (Radio Slovakia International)<\/a><\/h2>\n<p>In 2026, Slovak Radio is marking 100 years since broadcasting began in what was then Czechoslovakia. For most of that time\u201490 years, in fact\u2014broadcasting to audiences abroad has been an essential part of its story. While Radio Prague International is celebrating its 90th anniversary, Radio Slovakia International is marking 33 years since launching its own international service. This program is dedicated to this shared 90th anniversary.<\/p>\n<p>[<a href=\"https:\/\/enrsi.stvr.sk\/articles\/Culture\/458712\/90-years-of-international-broadcasting-in-former-czechoslovakia\" target=\"_blank\" rel=\"noopener\">Continue reading\u2026<\/a>]<\/p>\n<hr \/>\n<h2><a href=\"https:\/\/www.radioworld.com\/tech-and-gear\/nicks-signal-spot\/diversity-mode-helps-you-unlock-lost-fm-channels\" target=\"_blank\" rel=\"noopener\">Diversity Mode Helps You Unlock Lost FM Channels &#8211; Radio World (Radio World)<\/a><\/h2>\n<p>In 2019, I was about ready to give up the long-distance FM radio listening hobby.<\/p>\n<p>All right, maybe that\u2019s a bit of an exaggeration. FM DXers in particular are known in our small circles to go through phases of frustration. The hobby is not for the faint of heart. There are only so many opportunities in a calendar year to catch unique propagation events such as E-Skip, even if your dial conditions are optimal!<\/p>\n<p>And for FM DXers, the best analogy I\u2019ve heard applies the concept of fishing lines to the conditions that make our hobby run.<\/p>\n<p>[<a href=\"https:\/\/www.radioworld.com\/tech-and-gear\/nicks-signal-spot\/diversity-mode-helps-you-unlock-lost-fm-channels\" target=\"_blank\" rel=\"noopener\">Continue reading\u2026<\/a>]<\/p>\n<hr \/>\n<h2><a href=\"https:\/\/www.cbc.ca\/news\/canada\/calgary\/alberta-canmore-cave-rescue-new-technology-9.7315556\" target=\"_blank\" rel=\"noopener\">Rescuers use new tech to save caver trapped vertically in Alberta\u2019s \u2018Psych Squeeze\u2019 | CBC News (CBC)<\/a><\/h2>\n<p>A caver has been rescued after being trapped vertically underground at the Rat\u2019s Nest Cave in Canmore, Alta., in an operation that deployed volunteer-built underground radio technology for the first time.<\/p>\n<p>Search and Rescue Alberta says the man became pinned in a tight spot known as the \u201cPsych Squeeze\u201d around 11:30 a.m. on Saturday.<\/p>\n<p>[<a href=\"https:\/\/www.cbc.ca\/news\/canada\/calgary\/alberta-canmore-cave-rescue-new-technology-9.7315556\" target=\"_blank\" rel=\"noopener\">Continue reading\u2026<\/a>]<\/p>\n<hr \/>\n<h1 style=\"text-align: center;\"><span style=\"color: #008080;\"><strong>Do you enjoy the SWLing Post?<\/strong><\/span><\/h1>\n<p style=\"text-align: center;\"><strong><em>Please consider supporting us via <a href=\"https:\/\/www.patreon.com\/bePatron?u=7466002&amp;redirect_uri=https%3A%2F%2Fswling.com%2Fblog%2F&amp;utm_medium=widget\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/www.patreon.com\/bePatron?u%3D7466002%26redirect_uri%3Dhttps%253A%252F%252Fswling.com%252Fblog%252F%26utm_medium%3Dwidget&amp;source=gmail&amp;ust=1534765144986000&amp;usg=AFQjCNEe7C7aRTKqwuFkU5YIo8XEqPqthw\"><span class=\"il\">Patreon<\/span><\/a> or our <a href=\"https:\/\/www.paypal.com\/cgi-bin\/webscr?cmd=_s-xclick&amp;hosted_button_id=TGGFP2XVZDPP2\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/www.paypal.com\/cgi-bin\/webscr?cmd%3D_s-xclick%26hosted_button_id%3DTGGFP2XVZDPP2&amp;source=gmail&amp;ust=1534765144986000&amp;usg=AFQjCNH45maBgVLGpqLmQQvviVKBNMEGUw\"><span class=\"il\">Coffee<\/span> <span class=\"il\">Fund<\/span><\/a>! <\/em><\/strong><\/p>\n<p style=\"text-align: center;\"><em>Your support makes articles like this one possible. Thank you!<\/em><\/p>\n<p><a href=\"https:\/\/www.patreon.com\/bePatron?u=7466002&amp;redirect_uri=https%3A%2F%2Fswling.com%2Fblog%2F&amp;utm_medium=widget\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33932 size-full\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/become_a_patreon-patron_button@2x.png\" alt=\"\" width=\"434\" height=\"102\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/become_a_patreon-patron_button@2x.png 434w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/become_a_patreon-patron_button@2x-300x71.png 300w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Radio Waves: Stories Making Waves in the World of Radio Welcome to the SWLing Post\u2019s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy! Many thanks to SWLing Post contributors Dan Robinson, Rich Cuff, Dennis Dura, and Mike for the following tips: Russia\u2019s \u2018Doomsday Radio\u2019 erupts with [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_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},"jetpack_post_was_ever_published":false},"categories":[960,3,43],"tags":[6185,7226,348,8259,614],"class_list":["post-67014","post","type-post","status-publish","format-standard","hentry","category-international-broadcasting","category-news","category-shortwave-radio","tag-diversity-reception","tag-qrp-labs","tag-radio-slovakia-international","tag-radio-waves","tag-uvb-76"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pn3uc-hqS","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/67014","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=67014"}],"version-history":[{"count":1,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/67014\/revisions"}],"predecessor-version":[{"id":67015,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/67014\/revisions\/67015"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=67014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=67014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=67014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}