(August 24, 2013 at 12:25 pm)Chas Wrote:(August 24, 2013 at 12:23 pm)popeyespappy Wrote: Aerial photography is practically useless in jungle areas because the trees cover everything up, but I remember reading about successes using satellite imagery in central America several years ago. The oldest references I found with a quick Google were about 10 years ago. I thought it was longer ago than that but CRS could be a contributing factor there.
Radar, ground-penetrating radar.
Interferometric synthetic aperture radar
Save a life. Adopt a greyhound.
![[Image: JUkLw58.gif]](https://i.imgur.com/JUkLw58.gif)