/challenges-projects/project14/b/make-a-connection/posts/antarctic-beacon-bridging-130-years-of-wireless-history-with-iot-20m-rf-1414660460CWbeacon 14 MHz - An IoT Morse Code Beacon from the IoT Lab to Antarctica A 3 W HF radio beacon that keys its RF carrier with Morse code, reports its own transmissions over Telegram, authenticates every message with a CRC seeded by Marconi&#39;...en-USTelligent Community 12https://community.element14.com/challenges-projects/project14/b/make-a-connection/posts/antarctic-beacon-bridging-130-years-of-wireless-history-with-iot-20m-rf-1414660460Mon, 14 Sep 2026 00:20:17 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:88602336-e65e-4f42-b5d1-b24fef6d7c21Erik.H0<p>I guess those guys know how to prevent an antenna mast being a missile in the extreme wind. I usually end up with stray RF in the shack when using EFHW antennas. I like the filters and the antenna &quot;short&quot;.</p><img src="https://community.element14.com/aggbug?PostID=30152&AppID=492&AppType=Weblog&ContentType=0" width="1" height="1">