UC Berkeley RHESSI site - hardware, ground-system, and pre-launch information

HEDC - RHESSI European Data Center archive of RHESSI images, spectra, spectrograms and lightcurves.

Max Millennium - Program for coordinating solar flare research

Orbital Sciences - they built the Pegasus launch vehicle

General Dynamics  (formerly Spectrum Astro) - they built the spacecraft

RHESSI Press Kit - released in January 2002 prior to launch

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