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AIR SAR
Paul Siqueira, right, Jeff Quilter, center, and Jeff Frost, left, at the La Selva Biological Station in Costa Rica. The trihedral is used to help scientists map a large area of forest with radar.
Paul Siqueira, right, Jeff Quilter, center, and Jeff Frost, left, at the La Selva Biological Station in Costa Rica. The trihedral is used to help scientists map a large area of forest with radar.