| Acronym | Meaning |
 | FPR | Flight Performance Reserve |
| PIDA | Payload Installation And Deployment Aid |
| P&M | Phase Modulation (Modulated) |
| MET | Meteorological |
| DERIGID | Derigidize |
| MDAC | McDonnell Douglas Astronautics Company |
| FRCS | Forward Reaction Control System (Subsystem) |
| G/S | Guided Steering |
| SCF | Satellite Control Facility |
| ERTS | Earth Resources Technology Satellite |
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