1.0SADARS: Shefford and District Amateur Radio Societyhttps://sadars.co.uk/wprich600338<blockquote class="wp-embedded-content" data-secret="tu3mnqjXqI"><a href="https://sadars.co.uk/wp/archives/1982">Baldock Radio Monitoring Station Visit</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://sadars.co.uk/wp/archives/1982/embed#?secret=tu3mnqjXqI" width="600" height="338" title="“Baldock Radio Monitoring Station Visit” — SADARS: Shefford and District Amateur Radio Society" data-secret="tu3mnqjXqI" 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://sadars.co.uk/wp/wp-includes/js/wp-embed.min.js </script> The evening kicked off at 18.30 hours with a visit to the anechoic chamber used to test aerials looking for nulls and unwanted problems. The chamber is completely isolated from outside RF interference to enable near perfect test conditions. We were also shown some of the vehicles used to monitor different frequencies in remote locations. … Continue reading →