<?xml version="1.0" encoding="utf-8"?>
<feed xml:lang="en-us" xmlns="http://www.w3.org/2005/Atom"><title>Simon Willison's Weblog: satellite</title><link href="http://simonwillison.net/" rel="alternate"/><link href="http://simonwillison.net/tags/satellite.atom" rel="self"/><id>http://simonwillison.net/</id><updated>2017-11-05T19:56:32+00:00</updated><author><name>Simon Willison</name></author><entry><title>Landsat on AWS</title><link href="https://simonwillison.net/2017/Nov/5/landsat-on-aws/#atom-tag" rel="alternate"/><published>2017-11-05T19:56:32+00:00</published><updated>2017-11-05T19:56:32+00:00</updated><id>https://simonwillison.net/2017/Nov/5/landsat-on-aws/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="https://aws.amazon.com/public-datasets/landsat/"&gt;Landsat on AWS&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
TIL Amazon make data from the Landsat 8 satellite available for free on S3 (though they are no doubt hoping you’ll pay for EC2 instances to process the data). “All new Landsat 8 scenes are made available each day, often within hours of production. The satellite images the entire Earth every 16 days at a roughly 30 meter resolution”.

    &lt;p&gt;&lt;small&gt;&lt;/small&gt;Via &lt;a href="https://news.ycombinator.com/item?id=15629308"&gt;Hacker News&lt;/a&gt;&lt;/small&gt;&lt;/p&gt;


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/aws"&gt;aws&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/satellite"&gt;satellite&lt;/a&gt;&lt;/p&gt;



</summary><category term="aws"/><category term="satellite"/></entry><entry><title>Looking for tennis courts on aerial photos</title><link href="https://simonwillison.net/2009/Dec/5/wow/#atom-tag" rel="alternate"/><published>2009-12-05T08:56:18+00:00</published><updated>2009-12-05T08:56:18+00:00</updated><id>https://simonwillison.net/2009/Dec/5/wow/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://ahathereitis.blogspot.com/2009/12/how-it-works.html"&gt;Looking for tennis courts on aerial photos&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
ahathereitis.com shows a map of tennis courts in the Bay Area, identified using computer vision techniques (with OpenCV) applied to satellite photos.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/computer-vision"&gt;computer-vision&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/opencv"&gt;opencv&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/satellite"&gt;satellite&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/tennis"&gt;tennis&lt;/a&gt;&lt;/p&gt;



</summary><category term="computer-vision"/><category term="opencv"/><category term="satellite"/><category term="tennis"/></entry><entry><title>Gaza OpenStreetMap Update</title><link href="https://simonwillison.net/2009/Jan/7/gaza/#atom-tag" rel="alternate"/><published>2009-01-07T23:10:32+00:00</published><updated>2009-01-07T23:10:32+00:00</updated><id>https://simonwillison.net/2009/Jan/7/gaza/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://brainoff.com/weblog/2009/01/07/1387"&gt;Gaza OpenStreetMap Update&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
“We’re looking into purchasing satellite imagery for the north or the entirety of Gaza. There’s actually B/W imagery available from yesterday!”


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/gaza"&gt;gaza&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/mapping"&gt;mapping&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/mikel-maron"&gt;mikel-maron&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/openstreetmap"&gt;openstreetmap&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/satellite"&gt;satellite&lt;/a&gt;&lt;/p&gt;



</summary><category term="gaza"/><category term="mapping"/><category term="mikel-maron"/><category term="openstreetmap"/><category term="satellite"/></entry></feed>