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* [http://www.todayandtomorrow.net/2009/03/27/dead-pixel-in-google-earth/ Dead pixel in Google Earth], Helmut Smits | * [http://www.todayandtomorrow.net/2009/03/27/dead-pixel-in-google-earth/ Dead pixel in Google Earth], Helmut Smits | ||
* [http://en.wikipedia.org/wiki/Ley_line Ley lines], [http://en.wikipedia.org/wiki/Nazca_line Nazca lines] [http://en.wikipedia.org/wiki/Crop_circle crop circles] | * [http://en.wikipedia.org/wiki/Ley_line Ley lines], [http://en.wikipedia.org/wiki/Nazca_line Nazca lines] [http://en.wikipedia.org/wiki/Crop_circle crop circles] | ||
*[http://diydrones.com/ www.diydrones.com] Resources for DIY Drones (Autonomous Robotic Vehicles) which can carry scan devices (e.g. cameras) | *[http://diydrones.com/ www.diydrones.com] Resources for DIY Drones (Autonomous Robotic Vehicles) which can carry scan devices (e.g. cameras) | ||
*[http://grassrootsmapping.org/ Grassroots Mapping], forms of not-so-remote sensing and low-tech mapmaking | |||
=== Satellite dishes === | === Satellite dishes === | ||