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Page General » General Discussion
Archived [ARCHIVED THREAD] - How does google earth get their altitiude information?
Posted: 3/10/2006 3:43:25 PM EDT
I was online and looking at the altitude readout and I noticed that different parts of some of the great lakes had different altitude readings on the same lake.  Anyone know how they figure this out?

Link Posted: 3/10/2006 3:44:46 PM EDT
[#1]
It's probably radar or something, and it most likely screws up with water.  

I've wondered about this myself.  

Link Posted: 3/10/2006 3:54:02 PM EDT
[#2]
Most likely USGS DEM's.  (US Geological Survey Digital Elevation Model)  Probably several other sources are integrated as well.
Link Posted: 3/10/2006 3:57:48 PM EDT
[#3]
From the Mothership like everyone else!



At night in my solitary sojourns around our fine planet I often slide between the clefts of the Grand Canyon, hit Old Faithful for a splash and then take a relaxing dip in  Lake Superior followed by a nightcap near the Eifel Tower.

GoogleEarth is a nice program.

Archived [ARCHIVED THREAD] - How does google earth get their altitiude information?
Page General » General Discussion
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