{"version":"1.0","provider_name":"Longitudi","provider_url":"https:\/\/www.longitudi.fi\/en\/","author_name":"Vesa Hyv\u00e4rinen","author_url":"https:\/\/www.longitudi.fi\/en\/author\/vesa\/","title":"RAF Omega \"Broad Arrow\" 2771-1 pilot\u0092s watch - Longitudi","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"VV38LW7vXG\"><a href=\"https:\/\/www.longitudi.fi\/en\/raf-omega-broad-arrow-2771-1-pilots-watch\/\">RAF Omega &#8220;Broad Arrow&#8221; 2771-1 pilot\u0092s watch<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.longitudi.fi\/en\/raf-omega-broad-arrow-2771-1-pilots-watch\/embed\/#?secret=VV38LW7vXG\" width=\"600\" height=\"338\" title=\"&#8220;RAF Omega &#8220;Broad Arrow&#8221; 2771-1 pilot\u0092s watch&#8221; &#8212; Longitudi\" data-secret=\"VV38LW7vXG\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.longitudi.fi\/wp-content\/uploads\/2018\/06\/RAF_slider_thumb-1-1.jpg","thumbnail_width":200,"thumbnail_height":200,"description":"[vc_row el_class=&#8221;center-row-content&#8221;][vc_column width=&#8221;7\/12&#8243; css=&#8221;.vc_custom_1551105301806{background-color: #ffffff !important;border-radius: 3px !important;}&#8221;][vc_column_text]RAF Omega \u0094Broad Arrow\u0094 2771-1 pilot\u0092s watch from 1953 The British RAF (Royal Air Force) aircraft used on bombing flights during World War II could not find their targets accurately enough. The radio beacons used during peacetime had been closed down, and only the \u0093dead reckoning\u0094 method was used. This method relied on&hellip;"}