{"id":61611,"date":"2025-01-14T07:00:30","date_gmt":"2025-01-14T11:00:30","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=61611"},"modified":"2025-01-11T09:33:01","modified_gmt":"2025-01-11T13:33:01","slug":"from-ndbs-to-tis-a-dxers-journey-across-1610-1700-khz","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2025\/01\/from-ndbs-to-tis-a-dxers-journey-across-1610-1700-khz\/","title":{"rendered":"From NDBs to TIS: A DXer\u2019s Journey Across 1610-1700 kHz"},"content":{"rendered":"<p><strong>Many thanks to <em>SWLing Post<\/em> contributor Dan Greenall, who shares the following guest post and asks, &#8220;<em>Wonder who can add to this list?<\/em>&#8220;:<\/strong><\/p>\n<hr \/>\n<h1><b>A Look Back \u2013 DXing between 1610 and 1700 kHz<\/b><\/h1>\n<p style=\"text-align: right;\"><strong>by Dan Greenall<\/strong><\/p>\n<h3><b>1. The Caribbean Beacon, Anguilla West Indies 1610 kHz (1985 QSL)<\/b><\/h3>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-61613\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front.jpeg\" alt=\"\" width=\"1200\" height=\"596\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front.jpeg 1200w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front-300x149.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front-1024x509.jpeg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front-768x381.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-front-624x310.jpeg 624w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-61612\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse.jpeg\" alt=\"\" width=\"1200\" height=\"596\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse.jpeg 1200w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse-300x149.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse-1024x509.jpeg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse-768x381.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/The-Caribbean-Beacon-reverse-624x310.jpeg 624w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<h3><b>2. NDB stations (non-directional beacons)<\/b><\/h3>\n<ul>\n<li>transmitted call letters on CW, mostly from airports, heard in the 1970\u2019s<\/li>\n<li>examples: MDE Medellin, Colombia 1690 kHz and RAB Rabinal, Guatemala 1613 kHz<\/li>\n<\/ul>\n<h3><b>3. U.S. Army Broadcasting Service KTRK 1670 Fort Meade, MD Feb 1996\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 articles and recordings<\/b><\/h3>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-61614\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996.jpeg\" alt=\"\" width=\"1200\" height=\"882\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996.jpeg 1200w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996-300x221.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996-1024x753.jpeg 1024w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996-768x564.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/US-Army-test-KTRK-Ft.-Meade-MD-Feb-1996-624x459.jpeg 624w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.radioheritage.com\/ktrk-k-truck-1670-khz\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.radioheritage.com\/ktrk-k-truck-1670-khz\/<\/a><\/p>\n<h3><b>4. FCC Part 15 Radio Stations<\/b><\/h3>\n<p>Example:\u00a0 \u00a0 WDKW 1630 \u201cthe Klaw\u201d Dundalk High School near Baltimore, MD<\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/archive.org\/download\/wdkw-the-klaw-1630\/wdkw%20the%20klaw%201630.m4a?_=1\" \/><a href=\"https:\/\/archive.org\/download\/wdkw-the-klaw-1630\/wdkw%20the%20klaw%201630.m4a\">https:\/\/archive.org\/download\/wdkw-the-klaw-1630\/wdkw%20the%20klaw%201630.m4a<\/a><\/audio>\n<p>Link to my recording made at a DX camp in Coe Hill, Ontario, Canada on April 20, 1997: <a href=\"https:\/\/archive.org\/details\/wdkw-the-klaw-1630\">https:\/\/archive.org\/details\/wdkw-the-klaw-1630<\/a><\/p>\n<p>An internet search revealed the following;<\/p>\n<p>Part 15 of the Federal Communications Commission (FCC) rules allows some low-powered radio devices to operate without a license on the AM and FM radio broadcast bands.\u00a0These devices are subject to certain restrictions, including:<\/p>\n<ul>\n<li><b>Range<\/b>:\u00a0On FM frequencies, the effective service range is limited to about 200 feet (61 meters).<\/li>\n<li><b>Field strength<\/b>:\u00a0The field strength should not exceed 250 ?V\/m (48db) at 3 meters.<\/li>\n<li><b>Detachable antennas<\/b>:\u00a0Part 15 rules prohibit detachable antennas on all Part 15 transmitters.<\/li>\n<\/ul>\n<p>Some examples of Part 15 radio stations include:<\/p>\n<ul>\n<li><b>Microbroadcasting<\/b><\/li>\n<\/ul>\n<p>Often used by hobbyists, drive-in theaters, or on college or high school campuses.<\/p>\n<ul>\n<li><b>Talking roadsigns, talking houses, or talking billboards<\/b><\/li>\n<\/ul>\n<p>These transmitters air a repeating loop of information, such as traffic or highway construction.\u00a0They typically operate on empty channels on the AM broadcast band.<\/p>\n<ul>\n<li><b>InfOspot<\/b><\/li>\n<\/ul>\n<p>A custom product that can include special audio systems, USB \/ internet connectivity, cabinets, and antenna mounting styles.<\/p>\n<ul>\n<li><b>Free-radiate AM radio stations<\/b><\/li>\n<\/ul>\n<p>Educational institutions can use a transmitter without a license if the signal coverage is limited to their property.<\/p>\n<h3><b>5. TIS (Travellers Information Stations)<\/b><\/h3>\n<p>1610 kHz with low power, usually around 10 watts, such as the one I hear near the Blue Water Bridge between Sarnia, Ontario and Port Huron, Michigan<\/p>\n<h3><b>6. Expanded AM broadcast band\u00a0<\/b><\/h3>\n<p>Over a quarter century ago, these frequencies began to be used in the U.S. by BCB stations.\u00a0 I still have recordings of a half dozen of these from the early days.<\/p>\n<p><strong>WTDY 1670:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-2\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wtdy-1670.mp3?_=2\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wtdy-1670.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wtdy-1670.mp3<\/a><\/audio>\n<p><strong>WNML 1670:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-3\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/WNML-16701.mp3?_=3\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/WNML-16701.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/WNML-16701.mp3<\/a><\/audio>\n<p><strong>WMDM 1690:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-4\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wmdm-1690.mp3?_=4\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wmdm-1690.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/wmdm-1690.mp3<\/a><\/audio>\n<p><strong>KCNZ 1650:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-5\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kcnz-1650.mp3?_=5\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kcnz-1650.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kcnz-1650.mp3<\/a><\/audio>\n<p><strong>KCJJ 1630:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-6\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/KCJJ-1630.mp3?_=6\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/KCJJ-1630.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/KCJJ-1630.mp3<\/a><\/audio>\n<p><strong>KBGG 1700:<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-61611-7\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kbgg-1700.mp3?_=7\" \/><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kbgg-1700.mp3\">https:\/\/swling.com\/blog\/wp-content\/uploads\/2025\/01\/kbgg-1700.mp3<\/a><\/audio>\n<p>Also, here is a link to a column in Popular Communications magazine from February 1998.<\/p>\n<p><a href=\"https:\/\/www.worldradiohistory.com\/Archive-Popular-Communications\/90s\/Popular-Communications-1998-02.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.worldradiohistory.com\/Archive-Popular-Communications\/90s\/Popular-Communications-1998-02.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor Dan Greenall, who shares the following guest post and asks, &#8220;Wonder who can add to this list?&#8220;: A Look Back \u2013 DXing between 1610 and 1700 kHz by Dan Greenall 1. The Caribbean Beacon, Anguilla West Indies 1610 kHz (1985 QSL) 2. NDB stations (non-directional beacons) transmitted call letters [&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":[373,433,3,305,894,288,7566,746],"tags":[10271,1031,4342,4099,9403,1302,10650,9170],"class_list":["post-61611","post","type-post","status-publish","format-standard","hentry","category-am","category-mediumwave","category-news","category-nostalgia","category-qsl-gallery","category-radio-history","category-radio-memories","category-recordings","tag-dan-greenall","tag-dxing","tag-guest-posts","tag-mediumwave","tag-ndbs","tag-radio-nostalgia","tag-the-caribbean-beacon","tag-tis"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-g1J","jetpack-related-posts":[{"id":60168,"url":"https:\/\/swling.com\/blog\/2024\/07\/dan-asks-what-is-your-longest-dx\/","url_meta":{"origin":61611,"position":0},"title":"Dan asks: &#8220;What is your longest DX?&#8221;","author":"Thomas","date":"July 7, 2024","format":false,"excerpt":"Many thanks to SWLing Post contributor, Dan Greenall, who writes: What is your longest DX (from transmitter to receiver)? Assuming we are limiting the discussion to planet Earth, Perth, Australia would be represent one of the farthest land based locations to hear at 18145 km or 11275 miles as the\u2026","rel":"","context":"In &quot;DX&quot;","block_context":{"text":"DX","link":"https:\/\/swling.com\/blog\/category\/dx\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/07\/ABC-Perth-Australia-1970.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/07\/ABC-Perth-Australia-1970.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/07\/ABC-Perth-Australia-1970.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/07\/ABC-Perth-Australia-1970.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/07\/ABC-Perth-Australia-1970.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":61491,"url":"https:\/\/swling.com\/blog\/2024\/12\/rediscovering-the-golden-age-of-utility-dxing\/","url_meta":{"origin":61611,"position":1},"title":"Rediscovering the Golden Age of Utility DXing","author":"Thomas","date":"December 28, 2024","format":false,"excerpt":"Many thanks to SWLing Post contributor, Dan Greenall, who writes: Hi Thomas Back in the 1970's, I used to enjoy hunting for \"utility\" radio stations outside the regular SWBC bands. When I came across a copy of the Utility DXer's Handbook from 1971 recently on eBay, I couldn't resist purchasing\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\/12\/udxh-cover.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/12\/udxh-cover.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/12\/udxh-cover.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/12\/udxh-cover.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":63970,"url":"https:\/\/swling.com\/blog\/2025\/09\/preserving-radio-history-in-your-community\/","url_meta":{"origin":61611,"position":2},"title":"Preserving Radio History in Your Community","author":"Thomas","date":"September 17, 2025","format":false,"excerpt":"Many thanks to SWLing Post contributor Dan Greenall, who writes: I have lived in southern Ontario, Canada my entire life, have been DXing since the late 1960\u2019s and have held the amateur radio call sign VE3HLC for over 50 years.\u00a0 Most of this area\u2019s AM broadcast stations had been considered\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/09\/Old-CKOC-transmitter-and-antenna-site-1985.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/09\/Old-CKOC-transmitter-and-antenna-site-1985.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/09\/Old-CKOC-transmitter-and-antenna-site-1985.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/09\/Old-CKOC-transmitter-and-antenna-site-1985.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/09\/Old-CKOC-transmitter-and-antenna-site-1985.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":60649,"url":"https:\/\/swling.com\/blog\/2024\/09\/60649\/","url_meta":{"origin":61611,"position":3},"title":"Clear Channel Stations: Dan&#8217;s gateway into the world of DXing","author":"Thomas","date":"September 15, 2024","format":false,"excerpt":"Many thanks to Dan Greenall, one of our dedicated\u00a0Shortwave Radio Audio Archive contributors, who shares the following guest post: Clear channel BCB stations \u2013 My Introduction to the world of DXing by Dan Greenall Sometime in the mid 1960\u2019s, I acquired a Japanese made AM only transistor radio similar to\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/09\/WJR-Detroit-MI-1970.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/09\/WJR-Detroit-MI-1970.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/09\/WJR-Detroit-MI-1970.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/09\/WJR-Detroit-MI-1970.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/09\/WJR-Detroit-MI-1970.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":64341,"url":"https:\/\/swling.com\/blog\/2025\/10\/algeria-on-shortwave-then-and-now\/","url_meta":{"origin":61611,"position":4},"title":"Algeria on Shortwave &#8211; Then and Now","author":"Thomas","date":"October 24, 2025","format":false,"excerpt":"Many thanks to SWLing Post contributor Dan Greenall, for sharing the following guest post: Algeria on Shortwave - Then and Now by Dan Greenall In the early 1970s, Radiodiffusion-Television Algerienne ran a modest shortwave service (no English) mainly for North Africa, the Middle East,\u00a0and Europe. A copy of their schedule\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\/10\/Greenall-Algeria-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/10\/Greenall-Algeria-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/10\/Greenall-Algeria-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/10\/Greenall-Algeria-1.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2025\/10\/Greenall-Algeria-1.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":59056,"url":"https:\/\/swling.com\/blog\/2024\/02\/vis-the-end-of-an-era\/","url_meta":{"origin":61611,"position":5},"title":"VIS: The End of an Era","author":"Thomas","date":"February 20, 2024","format":false,"excerpt":"Many thanks to SWLing Post and SRAA contributor, Dan Greenall, who shares the following guest post: The End of an Era by Dan Greenall Many of us can remember the many radio telephone stations that could be found outside the regular SWBC bands during the 1970\u2019s and 80\u2019s and even\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\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2024\/02\/OTC-Sydney-Australia-reverse-side.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/61611","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=61611"}],"version-history":[{"count":3,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/61611\/revisions"}],"predecessor-version":[{"id":61625,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/61611\/revisions\/61625"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=61611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=61611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=61611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}