1.0Galia and Toni - Galantohttps://www.galanto.com/enrich600338<blockquote class="wp-embedded-content" data-secret="y6Eo1P88lo"><a href="https://www.galanto.com/en/propagation-of-radio-waves/">Propagation of Radio Waves</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.galanto.com/en/propagation-of-radio-waves/embed/#?secret=y6Eo1P88lo" width="600" height="338" title="“Propagation of Radio Waves” — Галя и Тони - Галанто" data-secret="y6Eo1P88lo" 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.galanto.com/wp-includes/js/wp-embed.min.js </script>https://www.galanto.com/wp-content/uploads/2023/02/wireless-inet.jpg1200675One of the things that radio amateurs have to deal with, whether they like it or not, is the propagation of radio waves. And they study it to be successful. The many radio beacons (beacons) also help with this. There are different headlights. Some broadcast different signals on a certain schedule, others – exact frequencies, […]