1. Senior scientist and member of the technical staff in the Atmospheric Sciences Section, Earth and Space Sciences Division., Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109.
2. Senior research analyst., Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109.
3. Group leader for flight projects in the Image Processing Laboratory, Observational Systems Division., Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109.