| Acronym | Meaning |
| TCSM | Tropospheric Chemistry Systems Models |
| NIDS | NEXRAD Information Dissemination Service |
| NAIC | National Astronomy And Ionosphere Center |
| GTMS | Global Thermospheric Mapping Study |
| DOW | Defenders Of Wildlife |
| FFTF | Fast Flux Test Facility |
| FOIA | Freedom Of Information Act |
| ACR | Active Cavity Radiometer |
| OU | University Of Oklahoma |
| NSSDC | National Space Science Data Center |