{"version":"1.0","provider_name":"Universe of Instrumentation","provider_url":"http:\/\/www.edisontc.org\/ui","author_name":"admin","author_url":"http:\/\/www.edisontc.org\/ui\/author\/admin\/","title":"Global Positioning Systems - Universe of Instrumentation","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"nSlTupWm4P\"><a href=\"http:\/\/www.edisontc.org\/ui\/home\/course\/unit-ii\/test-gear-and-time\/global-positioning-systems\/\">Global Positioning Systems<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/www.edisontc.org\/ui\/home\/course\/unit-ii\/test-gear-and-time\/global-positioning-systems\/embed\/#?secret=nSlTupWm4P\" width=\"600\" height=\"338\" title=\"&#8220;Global Positioning Systems&#8221; &#8212; Universe of Instrumentation\" data-secret=\"nSlTupWm4P\" 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":"http:\/\/www.edisontc.org\/ui\/files\/2016\/02\/Unit2Banner900.jpg","thumbnail_width":800,"thumbnail_height":254,"description":"GPS or Global Positioning Systems are a key instrument for engineers in mapping as well as many other applications. The cesium-133 atomic clock makes this system possible, no other clock, not even quartz clocks would have enough accuracy for this application. Stay tuned for future videos on this subject! This is the end of Unit &hellip; Continue reading"}