HAARP Imaging Riometer Diagnostic
Relative Ionospheric Opacity Measurements

Welcome to our HAARP riometer home page!
We are a research group within the Institute for Physical Science and Technology at the University of Maryland. The projects that our group is involved with examine natural phenomena occurring in the Earth's atmosphere, ionosphere, and magnetosphere. The broad focus of this research is directed toward improved understanding of the mechanisms which couple solar processes into the terrestrial environment. These include investigations of phenomena associated with short-term environmental effects (auroras, induced electrical currents, radiowave communications interference), as well as those associated with longer-term effects (changes in the ozone layer, atmospheric composition studies, stratospheric winds, weather, climate). The Upper Atmospheric Physics group operates or co-operates both imaging and broadbeam riometers at many locations worldwide.

  • High Frequency Active Auroral Research Program (HAARP)
  • Riometer Basics
  • HAARP Riometer Diagnostic Instrument: Description and Specifications
  • HAARP Imaging Riometer Data Archives

  • To Upper Atmospheric Physics Home Page at the University of Maryland 
    T.J. Rosenberg: rosenberg@uap.umd.edu
    A.T. Weatherwax: allanw@polar.umd.edu
    L. Lutz: larry@uap.umd.edu