{"id":10441,"date":"2014-08-05T07:03:06","date_gmt":"2014-08-05T11:03:06","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=10441"},"modified":"2014-08-05T07:03:06","modified_gmt":"2014-08-05T11:03:06","slug":"qsl-cards-stf-radio-international-sets-a-benchmark","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2014\/08\/qsl-cards-stf-radio-international-sets-a-benchmark\/","title":{"rendered":"QSL cards: STF Radio International sets a benchmark"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-10457\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001-1024x729.jpg\" alt=\"STF-Radio-International-Front-QSL-001\" width=\"640\" height=\"455\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001-1024x729.jpg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001-300x213.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001-100x71.jpg 100w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Front-QSL-001.jpg 1200w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">[STF Radio QSL card front (above) back (below). Original scans by Steve Yothment]<\/p>\n<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-10456\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001-1024x729.jpg\" alt=\"STF-Radio-International-Back-QSL-001\" width=\"640\" height=\"455\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001-1024x729.jpg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001-300x213.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001-100x71.jpg 100w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-International-Back-QSL-001.jpg 1200w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>SWLing Post reader, Steve Yothment (WD0HGB), writes:<\/p>\n<blockquote><p>&#8220;I received an &#8220;audio QSL&#8221; card from <a title=\"STF Radio\" href=\"http:\/\/stfradio.com\/\" target=\"_blank\">STF Radio International<\/a> a few days ago. Have you heard about it? [The QSL] actually has grooves on the card that you can play on a phonograph. I had a friend play the audio on his phonograph and he converted the audio to MP3 format. Then, I decoded the digital info in the file.&#8221;<\/p><\/blockquote>\n<p><a title=\"Download the audio\" href=\"https:\/\/archive.org\/download\/SuperTimeForceInternationalRadio\/SuperTimeForceInternationalRadio.mp3\" target=\"_blank\">Click here to download<\/a> or listen below:<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/archive.org\/embed\/SuperTimeForceInternationalRadio\" width=\"500\" height=\"30\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-QSL-Card-Digital-Decode.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10455 size-full\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/DigitalDecode-STFRadio.jpg\" alt=\"DigitalDecode-STFRadio\" width=\"640\" height=\"330\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/DigitalDecode-STFRadio.jpg 640w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/DigitalDecode-STFRadio-300x154.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/DigitalDecode-STFRadio-100x51.jpg 100w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Steve decoded the digital data from the audio QSL card and documented the contents on a PDF document. \u00a0<a title=\"Download as a PDF\" href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/08\/STF-Radio-QSL-Card-Digital-Decode.pdf\" target=\"_blank\">Click here to download<\/a>.<\/p>\n<p><em>Steve: this is brilliant!<\/em> \u00a0Thank you not only for sharing the QSL card images, but for the audio and your excellent documentation of the digital decode!<\/p>\n<p><em><strong>Readers: What&#8217;s the most interesting QSL card you&#8217;ve ever received?<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[STF Radio QSL card front (above) back (below). Original scans by Steve Yothment] SWLing Post reader, Steve Yothment (WD0HGB), writes: &#8220;I received an &#8220;audio QSL&#8221; card from STF Radio International a few days ago. Have you heard about it? [The QSL] actually has grooves on the card that you can play on a phonograph. I [&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":[56,1114,960,43,1167],"tags":[248,899,3162,3159,2718,3160,3161],"class_list":["post-10441","post","type-post","status-publish","format-standard","hentry","category-broadcasters","category-digital-modes","category-international-broadcasting","category-shortwave-radio","category-whats-on-shortwave","tag-qsl","tag-qsl-cards","tag-steve-yothment","tag-stf","tag-stf-radio","tag-stf-radio-international","tag-super-time-force-radio-international"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-2Ip","jetpack-related-posts":[{"id":11495,"url":"https:\/\/swling.com\/blog\/2014\/11\/a-digital-announcement-from-stf-radio-international\/","url_meta":{"origin":10441,"position":0},"title":"A digital announcement from STF Radio International","author":"Thomas","date":"November 24, 2014","format":false,"excerpt":"STF Radio International just shared the following digital announcement. Yes, you'll need to decode this message from SoundCloud\u00a0with an application like FLDigi: STF also mentioned that a text version of this announcement with follow in the next few days (but surely it's more fun to decode the digital version!). You\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"STFradio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":9188,"url":"https:\/\/swling.com\/blog\/2014\/04\/stf-radio-international-this-weekend-via-kbc\/","url_meta":{"origin":10441,"position":1},"title":"STF Radio International this weekend via KBC","author":"Thomas","date":"April 5, 2014","format":false,"excerpt":"Last week, I received an email from STF Radio International, a new venture that broadcasts digital modes over shortwave (similar to VOA Radiograms). I asked for a description of their mission--here's their reply: \"STF Radio is primarily a narrowcasting project, a means to deliver specialized content to specific audiences in\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"STFradio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":47350,"url":"https:\/\/swling.com\/blog\/2021\/01\/radio-pragues-2021-qsl-cards\/","url_meta":{"origin":10441,"position":2},"title":"Radio Prague&#8217;s 2021 QSL Cards","author":"Thomas","date":"January 18, 2021","format":false,"excerpt":"(Source: Radio Prague International via David Iurescia) The three letters - QSL - constitute one of the codes originally developed in the days of the telegraph. All codes consisted of three letters beginning with \"Q\". Later some of these \"Q\" codes were adopted by radio-telegraphists and radio listeners. QSL means\u2026","rel":"","context":"In &quot;International Broadcasting&quot;","block_context":{"text":"International Broadcasting","link":"https:\/\/swling.com\/blog\/category\/international-broadcasting\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/01\/Radio-Prague-QSL-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/01\/Radio-Prague-QSL-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/01\/Radio-Prague-QSL-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/01\/Radio-Prague-QSL-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":11557,"url":"https:\/\/swling.com\/blog\/2014\/11\/stf-broadcast-2-schedule\/","url_meta":{"origin":10441,"position":3},"title":"STF Broadcast #2 Schedule","author":"Thomas","date":"November 29, 2014","format":false,"excerpt":"(Source: STF Radio International) STF Radio International Broadcast #2 November 30 0500-0600 UTC 5110 \/ 7490 \/ 7570 \/ 7730 \/ 9330 The Americas 9955 The Carribean 17645 Asia Preshow Warm-up!! November 30 0400-0500 UTC 7730 Khz The Americas PLUS! Rebroadcast for EU November 30, 2014 1600-1700 UTC 6095 kHz\u2026","rel":"","context":"In &quot;Digital Modes&quot;","block_context":{"text":"Digital Modes","link":"https:\/\/swling.com\/blog\/category\/digital-modes\/"},"img":{"alt_text":"STFradio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/04\/STFradio.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":58629,"url":"https:\/\/swling.com\/blog\/2024\/01\/radio-pragues-2024-qsl-card-series\/","url_meta":{"origin":10441,"position":4},"title":"Radio Prague\u2019s 2024 QSL Card Series","author":"Thomas","date":"January 5, 2024","format":false,"excerpt":"Many thanks to SWLing Post contributor, David Iurescia, who shares the following article from Radio Prague: Radio Prague\u2019s 2024 QSL card series will be musical \u2013 and digital To this day, Radio Prague International has kept up the decades-long tradition of QSL cards \u2013 postcards confirming receipt of reception reports\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\/2024\/01\/Radio-Prague-QSL.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/01\/Radio-Prague-QSL.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/01\/Radio-Prague-QSL.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/01\/Radio-Prague-QSL.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":9313,"url":"https:\/\/swling.com\/blog\/2014\/04\/stf-radio-1-hour-million-watt-special-april-20\/","url_meta":{"origin":10441,"position":5},"title":"STF Radio: 1 Hour Million Watt Special, April 20","author":"Thomas","date":"April 16, 2014","format":false,"excerpt":"STF Radio sent the following announcement for their \"1-hour Million-Watt Special\": \u00a0 \u00a0 ___________ ____ \u00a0____ \u00a0__ \u00a0 ___ \u00a0_ \u00a0___ \u00a0 \u00a0 \u00a0 \u00a0\/ ___\/_ \u00a0 __| ___|| \u00a0 \u00a0\\| \u00a0\\ | \u00a0 \\(_)\/ _ \\ \u00a0\u00a0 \u00a0 \u00a0\\___ \\ | | | __| \u00a0| |) \/| \\ \\|\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/10441","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=10441"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/10441\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=10441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=10441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=10441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}