| Acronym | Meaning |
| SCR | Selective Chopper Radiometer |
| UVDM | Ultraviolet Double Monochromator |
| ERS | Earth Remote-Sensing Satellite |
| GEMINI | General Mesonetwork Interpolation Interface |
| IMP | Interface Message Processor ARPANET |
| PMS | Performance Measurement System |
| OTS | Office Of Technical Services |
| PCA | Physical Configuration Audit |
| EWE | Equatorial Winds Experiment |
| CEA | Commissariat A |