| Acronym | Meaning |
| MDTSCO | McDonnell Douglas Technical Services Company |
| E-MUX | Electrical Multiplex |
| VFM | View Finder Monitor |
| HI | High |
| PCDU | Payload Command Decoder Unit |
| MOPS | Mission Operations Planning System |
| RFA | RF Authorization (Frequency) |
| SDCL | SuPPlier Documentation Checklist |
| TIROS | ToPographical Infrared Operations Satellite |
| PFB | PayloadFeedback |