RHESSI Pre-Launch Home Page
This site contains detailed hardware and ground system descriptions current at launch on February 5, 2002.
Note: This is a streamlined version of the SSL RHESSI Pre-Launch Site that has been moved to GSFC.
The website with up-to-date information is
Check the HESSI launch page
Latest news: 2/10/2002: Balancing is ahead of schedule and going well. Detector temperature is 124K. No problems. Detector turnon will begin Monday.