{"version":"1.0","provider_name":"OCEAN4FUTURE","provider_url":"https:\/\/www.ocean4future.org\/savetheocean","author_name":"Andrea Mucedola","author_url":"https:\/\/www.ocean4future.org\/savetheocean\/archives\/author\/andrea-mucedola","title":"Il posizionamento in mare: datum e reti geodetiche \u2013 parte II &#8226; OCEAN4FUTURE autore","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"2DQzXrT6uQ\"><a href=\"https:\/\/www.ocean4future.org\/savetheocean\/archives\/2471\">Il posizionamento in mare: datum e reti geodetiche \u2013 parte II<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ocean4future.org\/savetheocean\/archives\/2471\/embed#?secret=2DQzXrT6uQ\" width=\"600\" height=\"338\" title=\"&#8220;Il posizionamento in mare: datum e reti geodetiche \u2013 parte II&#8221; &#8212; OCEAN4FUTURE\" data-secret=\"2DQzXrT6uQ\" 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\/\/# sourceURL=https:\/\/www.ocean4future.org\/savetheocean\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.ocean4future.org\/savetheocean\/wp-content\/uploads\/2016\/02\/image428.gif","thumbnail_width":1276,"thumbnail_height":697,"description":"&#8211; . ARGOMENTO: CARTOGRAFIA E NAVIGAZIONE PERIODO: XXI SECOLO AREA: DIDATTICA parole chiave: Geodesia, reti geodetiche, datum La rete geodetica nazionale Vediamo ora come ci organizzammo in campo nazionale. La rete geodetica interna italiana, ROMA 40, fa parte integrante del sistema europeo ED 50 ed ha il proprio centro di emanazione presso l&#8217;osservatorio astronomico di [&hellip;]"}