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Little River, TX | The higher you are the more linier the lines and distances will be.
My 1/2 mile long fields are reasonably good using a 50 mml focal length lens from 5,000 ft AGL.
The old USDA vertices were taken from 22,000 AGL and they still were slightly non linier the further out from the center point you looked.
I gather the small model plane system will require some computer software to merge the pictures in a useable montage. | |
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