OpenStreetMap
"UAV could map archeological sites in a fraction of the time currently required"
Publicat per mapryan el 8 Agost 2012 en 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
Discussió
Comentari de Pink Duck el 8 Agost 2012 a les 13.56
Presuming the cost is less than that of purchasing satellite imagery.
Comentari de mapryan el 8 Agost 2012 a les 20.48
True
Comentari de CloCkWeRX el 14 Juliol 2013 a les 08.36
https://www.youtube.com/watch?v=n1E_CPxR3LA is probably quite interesting for you