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Hubble Space Telescope
GHRS Instrument History

Potential data corruption due to faulty Doppler compensation
- 10 Mar 93
Initial announcement of the Doppler compensation problem. Software is now available in STSDAS to determine if your data are affected.

Opportunity to adapt approved HST science programs that use GHRS
- 10 Sep 91

Opportunity to supplement HST Cycle 2 science proposals that use GHRS
- 12 Sep 91

Plans for allowing an addendum to Cycle 2 HST proposals which use the GHRS
- 13 Aug 91

Unintended Values in Your CDBS Tables
- Aug 91
Involves spectral lamp calibrations and explains the problems with a version of the Dispersion Constants reference table.