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Hawkeye: Don’t look now Radar, but think the internet is less than intelligent.
( read this post in the voice of Gomer Pile)
Look I guess this is about the last place in the world one could get straight answer on how radars work, we’re just a bunch a cotton picken guitar pickers. But maybe one of you educated fellers could help me out. See I wanted to know how you find stuff under ground like old ancient canal channels used for building pyramids or how the inside of an Antarctic glacier is structured. So I says to someone, I’m pretty sure you can do a GPR ( ground penetrating Radar) survey from the air with an aerial GPR antenna. They said I was ignorant and pathetic old man who’s not up on the times.
I in my decrepitude decided to read up on GPR and find out how high up a GPR would work. It seems pretty high up, maybe a few hundred feet. Well I was knocked down by a guy who’s 24 and in top of such things who assured me I was stupid and that the GPS only works when it’s right on the ground. Now I ain’t no smart fella, I’m just a guy from the rural area east of Los Angeles and I lack in book learnen, but I know how that internet works and looked up GPR and gosh golly darned, I think they even put them on those satellites and they can do a radar thingy from orbit.
Now there I go again, asking questions where I know I ain’t gonna get answer do to the fact that we are just some guitar fellers, but a guy can ask a question an any how I reckon.
Have good night folks. I’ll be thinking about them archeologists fellers findin egipshun treasures in my dreams.
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The Command Module of Apollo 17 carried a version of Ground Penetrating Radar in its parking orbit about 60km above the lunar surface. It penetrated the moon's surface up to a few kilometers.
Reaching these depths depended upon the moon's extreme dryness. In wet clay soils on earth, or other highly conductive environments, even GPR in contact with the surface may penetrate only a few meters.
My experience is with radars operating in the atmosphere or in space, so I Googled it.
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