{"version":"1.0","provider_name":"Smartmarine","provider_url":"https:\/\/smartmarine.nl\/de\/","author_name":"Smartmarine","author_url":"https:\/\/smartmarine.nl\/de\/","title":"De marifoon uitgelegd &#8226; Smartmarine","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"E3D3GAE1fB\"><a href=\"https:\/\/smartmarine.nl\/de\/de-marifoon-uitgelegd\/\">Das UKW-Radio erkl\u00e4rt<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/smartmarine.nl\/de\/de-marifoon-uitgelegd\/embed\/#?secret=E3D3GAE1fB\" width=\"600\" height=\"338\" title=\"\u201eUKW-Seefunk erkl\u00e4rt\u201c \u2013 Smartmarine\" data-secret=\"E3D3GAE1fB\" 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:\/\/smartmarine.nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/smartmarine.nl\/wp-content\/uploads\/2025\/09\/piraat-marifoon.png","thumbnail_width":1536,"thumbnail_height":1024,"description":"Alles wat je moet weten over maritieme VHF\u2011communicatie Een marifoon (VHF\u2011marifoon) is een essentieel communicatiemiddel op het water. Of je nu door sluizen vaart, brugwachters aanspreekt, je positie doorgeeft in druk vaarwater of in nood verkeert: heldere \u00e9n betrouwbare communicatie kan het verschil maken. In dit artikel leggen we uit wat een marifoon is, welke [&hellip;]"}