1.0I8ZSEhttps://www.i8zse.it/engiorgio@i8zse.euhttps://www.i8zse.it/en/author/giorgioi8zse-eu/rich600338<blockquote class="wp-embedded-content" data-secret="VmSV0bUI4z"><a href="https://www.i8zse.it/en/digital/ft8/">FT8</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.i8zse.it/en/digital/ft8/embed/#?secret=VmSV0bUI4z" width="600" height="338" title="“FT8” — I8ZSE" data-secret="VmSV0bUI4z" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.i8zse.it/en/wp-includes/js/wp-embed.min.js </script> FT8 FT8 is today the most widely used digital mode on HF bands and represents an epochal shift in modern amateur radio. Developed in 2017 by Joe Taylor (K1JT) and Steve Franke (K9AN), its name comes from Franke–Taylor design, 8-FSK modulation: an eight-tone frequency shift modulation scheme that enables extremely compact and robust messages, even […]