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	<title>David Carrington &#187; Google Earth</title>
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	<description>UK web developer that loves phones</description>
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		<title>Tracking my phone on Google Earth</title>
		<link>http://davidcarrington.co.uk/2007/11/tracking-my-phone-on-google-earth/</link>
		<comments>http://davidcarrington.co.uk/2007/11/tracking-my-phone-on-google-earth/#comments</comments>
		<pubDate>Mon, 12 Nov 2007 23:06:10 +0000</pubDate>
		<dc:creator>David Carrington</dc:creator>
				<category><![CDATA[Development]]></category>
		<category><![CDATA[Mobile]]></category>
		<category><![CDATA[Personal]]></category>
		<category><![CDATA[PHP]]></category>
		<category><![CDATA[Web]]></category>
		<category><![CDATA[Google Earth]]></category>
		<category><![CDATA[Google Maps]]></category>
		<category><![CDATA[KML]]></category>
		<category><![CDATA[Windows Mobile]]></category>

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		<description><![CDATA[After looking through various KML samples on the web during lunch today, I spent a little time experimenting with converting my existing location data into something that Google Earth could read &#8211; allowing people to track my location in real time. Manual labour About 6 times per day, I press a button on my phone [...]]]></description>
			<content:encoded><![CDATA[<p>After looking through various KML samples on the web during lunch today, I spent a little time experimenting with converting my existing location data into something that Google Earth could read &#8211; allowing people to track my location in real time.</p>
<p><strong>Manual labour</strong></p>
<p>About 6 times per day, I press a button on my phone and it sends a text message to my website with my current cell tower ID. My website then takes over and does all the smart stuff by itself. If I&#8217;ve traveled somewhere new, it automatically looks up the cell ID in a large UK database using their API to find the latitude and longitude of the cell tower I&#8217;m currently connected to. But big decimal numbers showing my current latitude and longitude aren&#8217;t all that interesting on their own.</p>
<p><strong>Sidebar widget</strong></p>
<p>The next step in my process was to add the widget on the side of my website to show everyone my current location. It&#8217;s not particularly fascinating &#8211; either I&#8217;m in my home town, at work, or traveling somewhere in between. But I&#8217;ve just added something a little more interesting.</p>
<p><strong>Google Earth</strong></p>
<p>Whereas before the link on my current location just took you to the coordinates where I&#8217;m currently sat, it will now load up a KML file showing a nice picture of a man standing on my current location, and hopefully a number of little cell towers which will show where I&#8217;ve been over the last 7 days.</p>
<p>The historic data isn&#8217;t all that interesting in Google Maps, but if I open up my KML file in Google Earth then I expose the timeline controls and I can choose to see where I was at different times and even animate my location over time.</p>
<p><strong>What&#8217;s next?</strong></p>
<p>I&#8217;ve got a habit of always wanting to do more.  I&#8217;ve cleaned up my location database so I could add in other locations (i.e. not just cell towers) and try plotting even more data. I&#8217;d like to try the following:</p>
<ul>
<li>Load up GPS data for any hikes I go on</li>
<li>Add a few key locations onto the map such as the Scout hut, my brother&#8217;s place in Canada, anything relevant to me</li>
<li>Add some kind of refresh so that it updates automatically when I&#8217;m on the move</li>
<li>Create some kind of JavScript timeline interface for Google Maps</li>
</ul>
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