| Acronym | Meaning |
 | TBF | Test De Bon Fonctionnement (Spacelab) |
 | RECHG | Recharge |
 | GC | Gigacycles (1000 Megacycles) |
 | CE | Control Element |
 | ERTS | Earth Resources Technology Satellite |
 | U/W | Used With |
 | GIM | Generalized Information Management |
 | K-SSS | KSC Shuttle Project Station Set Specification |
 | PR | PressureRatio |
 | MAG | Magnetic |