OUTLINE OF TALK
Basic particle diagnostic problem- unknowns
Remote sensing diagnostics Ð observables

Electron transport and HXR (bremss?) radiation
Ion transport and nuclear amma-ray radiation

HXR Imaging diagnostics Ð (spectral) image reconstruction algorithms
HXR Spectral diagnostics Ð spectral inversion algorithms
HXR Timing diagnostics
HXR polarisation
H|XRs in relation to other wavelengths
Implications for electron energy budgets

Gamma-ray Imaging diagnostics
Gamma-ray Line Spectral diagnostics Ð widths, shifts, fluxes
Implications for ion energy budgets