| Acronym | Meaning |
| CCR | Center For Climatic Research (IES) |
| M | Meter(s) |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| NCAR | National Center For Atmospheric Research |
| OAO | Orbiting Astronomical Observatory |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| PV | PhotoVoltaic |
| TOVS | TIROS Operational Vertical Sounder |
| EROS | Earth Resources Observing System |
| GARS | GOES Archive And Retrieval System |