1.0I8ZSEhttps://www.i8zse.it/engiorgio@i8zse.euhttps://www.i8zse.it/en/author/giorgioi8zse-eu/rich600338<blockquote class="wp-embedded-content" data-secret="77fGWDFUxa"><a href="https://www.i8zse.it/en/digital/aprs/">APRS</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.i8zse.it/en/digital/aprs/embed/#?secret=77fGWDFUxa" width="600" height="338" title="“APRS” — I8ZSE" data-secret="77fGWDFUxa" 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> https://www.i8zse.it/en/wp-content/uploads/2026/06/ariss.jpg1024678APRS APRS, acronym for Automatic Packet Reporting System, is based on an apparently simple but in reality highly structured architecture that combines established packet radio protocols with operational logic specifically designed for real-time data dissemination. Designed by Bob Bruninga (WB4APR – s.k. – the APRS acronym is derived from his callsign), the system uses the […]