{"version":"1.0","provider_name":"GPS Tracking - RavTrack Complete Real Time Tracking","provider_url":"http:\/\/ravtrack.com\/GPStracking","author_name":"JS","author_url":"http:\/\/ravtrack.com\/GPStracking\/author\/js\/","title":"No PRAVE messages received - GPS Tracking - RavTrack Complete Real Time Tracking","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yWinTOvp7F\"><a href=\"http:\/\/ravtrack.com\/GPStracking\/no-prave-messages-received\/\">No PRAVE messages received<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/ravtrack.com\/GPStracking\/no-prave-messages-received\/embed\/#?secret=yWinTOvp7F\" width=\"600\" height=\"338\" title=\"&#8220;No PRAVE messages received&#8221; &#8212; GPS Tracking - RavTrack Complete Real Time Tracking\" data-secret=\"yWinTOvp7F\" 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","description":"So, you set up RavTrack PC and connected your base station to the computer running RavTrack PC.\u00a0 And yet, nothing is happening. This article describes some common solutions to communication problems in a RavTrack GPS tracking system. Connection\/COM port issues&hellip;"}