1. Stewart Radiance Laboratory; Bedford Massachusetts USA
2. Instituto de Astrofísica de Andalucía; Consejo Superior de Investigaciones Científicas; Granada Spain
3. Science Directorate; NASA Langley Research Center; Hampton Virginia USA
4. Analytical Services & Materials, Inc.; Hampton Virginia USA
5. Center for Atmospheric Sciences; Hampton University; Hampton Virginia USA
6. Air Force Research Laboratory; Space Vehicles Directorate; Hanscom Air Force Base Massachusetts USA