| Acronym | Meaning |
| OSS | Office Of Space Station |
| MLO | Mauna Loa Observatory |
| WAS | Whole Air Sampler |
| FTAM | File Transfer Access Management |
| ECMWF | European Centre For Medium-range Weather Forecasting |
| FEP | Front End Processor |
| EOFS | Empirical Orthogonal Functions |
| SADCC | South African Development Coordination Conference |
| FTACH | Fourier Tachometer |
| ACT | Atmospheric Chemical Transformations |