A team of drone enthusiasts have built a sub-$500 drone that uses a camera and Google Maps to provide itself with GPS co-ordinates, removing the need for a GPS satellite signal. And all of this was done in 24 hours during the El Segundo Defense Tech Hackathon. $500 drone with no need for a GPS signal The drone the trio opted for, is a custom designed and 3D printed fixed wing featuring a large single motor towards the rear and a downward facing camera used for geo-referencing. The drone uses a c...