Harvard-Smithsonian Center for Astrophysics, 60 Garden Streeet, Cambridge, MA 02138, USA; University of Wales at Aberystwyth, Department of Physics, Aberystwyth, SY23 3BZ United Kingdom
Universite Paul Sabatier, Laboratoire d'Astrophysique, Toulouse, France
Electricon, 2935 Third Street, Boulder, CO 80304, USA
NOAO, x, Sunspot, NM, USA
Harvard-Smithsonian Center for Astrophysics, 60 Garden Streeet, Cambridge, MA 02138, USA; NOAO Sunspot, NM, USA
Hale Engineering, x, Pearidge, AK, USA
Harvard-Smithsonian Center for Astrophysics, 60 Garden Streeet, Cambridge, MA 02138, USA
Bridgewater State College, x, Bridgewater, MA, USA
Harvard-Smithsonian Center for Astrophysics, 60 Garden Streeet, Cambridge, MA 02138, USA
Harvard-Smithsonian Center for Astrophysics, 60 Garden Streeet, Cambridge, MA 02138, USA
University of Nice, x, Nice, France
Jet Propulsion Laboratory, 4800 Oak Grove Drive MS 238-725, Pasadena, CA 91109, USA
University of Texas, Department of Mechanical Engineering, Austin, TX, USA
Enterasys Corporation, Enterasys, Durham, NH, USA
University of Arkansas, Department of Communications, Fayetteville, AK, USA