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Keywords from Image Description:
Azimuth PSF.svg Azimuth PSF UTC Azimuth PSF PDScottForesman derivative work Blleininger talk to SVG blleininger Azimuth PSF PDScottForesman original upload log This image is derivative work of the following images File Azimuth PSF with PDScottForesman Igno Bytes no up cropped Bastique Bytes no Lineart drawing of an azimuth