OpenStreetMap
"UAV could map archeological sites in a fraction of the time currently required"
Posted by mapryan on 8 八月 2012 in English.One of these could be really useful for all those areas with no or poor satellite imagery coverage http://www.gizmag.com/suave-archeological-aerial-mapping/23626/?utm_source=Gizmag+Subscribers&utm_campaign=7f35e162ad-UA-2235360-4&utm_medium=email
Discussion
Comment from Pink Duck on 2012年8月8日13:56
Presuming the cost is less than that of purchasing satellite imagery.
Comment from mapryan on 2012年8月8日20:48
True
Comment from CloCkWeRX on 2013年7月14日08:36
https://www.youtube.com/watch?v=n1E_CPxR3LA is probably quite interesting for you