OpenStreetMap
"UAV could map archeological sites in a fraction of the time currently required"
Postitas mapryan kuupäeval 8. august 2012 – 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
Arutelu
Kommentaar kasutajalt Pink Duck 8. august 2012, kell 13:56
Presuming the cost is less than that of purchasing satellite imagery.
Kommentaar kasutajalt mapryan 8. august 2012, kell 20:48
True
Kommentaar kasutajalt CloCkWeRX 14. juuli 2013, kell 08:36
https://www.youtube.com/watch?v=n1E_CPxR3LA is probably quite interesting for you