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Glossary

Popular terms

EQSR equipment qualification status review ECSS-Q-ST-20-10C

review item discrepancy (RID) issue, identified by a reviewer, that is not compliant with a requirement, a review objective or a design goal ECSS-M-ST-10-01C

request for approval (RFA) document with which the supplier or user asks the competent body for permission to use a critical material, part or process ECSS-Q-ST-70C Rev.2

attitude and orbit control system (AOCS) functional chain of a satellite which encompasses attitude and orbit sensors, attitude estimation and guidance, attitude and orbit control algorithms, attitude and orbit control actuators ECSS-E-ST-60-30C

collected volatile condensable material (CVCM) quantity of outgassed matter from a test specimen that condenses on a collector maintained at a specific temperature for a specific time ECSS-Q-ST-70-02C

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