| Acronym | Meaning |
| FFTS | Fast-Fourier Transforms |
| F | Femto |
| EOCAP | Earth Observations Commercialization Applications Program |
| MODAC | Meteorological Observation And Data Assimilation Center |
| DD | Dated |
| GHB | Goddard Handbook |
| EODC | Earth Observation Data Centre |
| A/H | Air Handling |
| IQSY/EX | International Quiet Years Of The Sun Experiments |
| MOSES | Meteorological Observing Station |