Slide title: 50 Years of Atmospheric Radar Observations

Slide words: Arecibo Observatory, 1973

Slide image: A photo showing two pioneers of the atmospheric radar technique: Bill Gordon (right) who conceived of incoherent scatter and was responsible for the construction of the Arecibo Observatory, and Tor Hagfors (left), a Norwegian radio scientist who was director of three incoherent scatter radars.

Credit: Don Campbell, Cornell University

Design by: Adrian Apodaca, National Science Foundation