coble@oddjob.uchicago.edu

¹ Department of Chemistry and Physics, Chicago State University, 9501 South King Drive, Chicago, IL 60628, USA
² NSF Astronomy and Astrophysics Postdoctoral Fellow, Adler Planetarium and Astronomy Museum, Chicago, IL 60605, USA
³ Kavli Institute for Cosmological Physics, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
⁴ Department of Space Science/NSSTC, NASA Marshall Space Flight Center, Huntsville, AL 35812, USA
⁵ Department of Physics, University of Alabama, Huntsville, AL 35805, USA
⁶ Department of Physics, Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
⁷ Department of Physics, University of California, Berkeley, CA 94720, USA
⁸ Now at Lawrence Berkeley National Laboratory
⁹ Jansky Fellow, National Radio Astronomy Observatory
¹⁰ Physics Department, University of California, Davis, CA 95616, USA