{"version":"1.0","provider_name":"SADARS: Shefford and District Amateur Radio Society","provider_url":"https:\/\/sadars.co.uk\/wp","title":"31 Jan 2019 \u2013 Antenna Modelling by Gareth, M5KVK - SADARS: Shefford and District Amateur Radio Society","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"YsxFzLZCnl\"><a href=\"https:\/\/sadars.co.uk\/wp\/archives\/2296\">31 Jan 2019 \u2013 Antenna Modelling by Gareth, M5KVK<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/sadars.co.uk\/wp\/archives\/2296\/embed#?secret=YsxFzLZCnl\" width=\"600\" height=\"338\" title=\"&#8220;31 Jan 2019 \u2013 Antenna Modelling by Gareth, M5KVK&#8221; &#8212; SADARS: Shefford and District Amateur Radio Society\" data-secret=\"YsxFzLZCnl\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/sadars.co.uk\/wp\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"On a very cold evening on the last day of January, we were expecting some snow but members turned out to hear Gareth present his introduction to antenna modelling. He stated he would give a gentle introduction to modelling back garden antennas. The presentation was not meant to be the definitive guide to modelling antennas &hellip; Continue reading &rarr;","thumbnail_url":"https:\/\/sadars.co.uk\/wp\/wp-content\/uploads\/FFplot.jpg"}