| Acronym | Meaning |
| (ES) | Sporadic E |
| UCARSOFT | UCAR Software |
| SOR | Successive Over Relaxation |
| AA | Affirmative Action |
| STJ | Subtropical Jet |
| PETA | People For The Ethical Treatment Of Animals |
| ERS | Earth Resources Satellite |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| RSA | Range Standardization And Augmentation Project |
| SETA | Satellite Electrostatic Triaxial Accelerometer |