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LiDAR is of course LASER beams. Millions of beams, in a tight compact area. It has to be able to see the ground. Even in a thick forest, some parts of the ground receive sunlight. That is what the LiDAR has to see to remove the trees. We use it for road projects that the customer needs precision. No way can a satellite see 2 or 3 cm resolution like our Cessna 182T with a human flying it.
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Glen
50 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
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