| Acronym | Meaning |
| SME | Solar Mesosphere Explorer |
| UND | University Of North Dakota |
| EMG | Electromagnetic Gravity Data |
| ABFEL | Air-based Free-electron Laser |
| RMC | Regional Meteorological Center |
| EPI | Electronic Position Indicator |
| SDSMT | South Dakota School Of Mines & Technology |
| NMF | Normal Mode Functions |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |
| AM | Audio Modulation |