Institute of Astronomy
Radio Astronomy and Plasma Physics Group
Eidgenössische Technische Hochschule Zürich
Swiss Federal Institute of Technology,  Zürich
          
Open Observational Questions
Why is there sometimes no decimeteric radiation?
    no beams visible
    no shocks visible
    no trapped particles visible
Why is the whole active region involved?
-active region as a system
-flare as a global phenomena
What radio emissions originate from HXR (looptop) source ?