| Acronym | Meaning |
| IR-RAD | Infrared Radiometer |
| PARS | Paralleled-processing Applied Research Systems |
| PRECP | Processing Of Emissions By Clouds And Precipitation |
| MOA | Memorandum Of Agreement |
| (ES) | Sporadic E |
| LWC | Liquid Water Content |
| DOPLIGHT | Doppler And Lightning Program |
| BCL | Battelle Columbus Laboratory |
| FATS | Factory Acceptance Test Specification |
| OAR | Office Of Aerospace Research |