| Acronym | Meaning |
| NLTE | Non Local Thermodynamic Equilibrium |
| AIX | Advanced Interactive Executive |
| IIT | Illinois Institute Of Technology |
| APS | Advanced Power Source |
| CDCL | Contract Document Control List |
| JFSP | Joint Forecast System Project |
| VIMHEX | Venezuela International Meteorological And Hydrological Experiments |
| NSFF | NSF Funded |
| PRAIRE | Polarization Radar Illinois Rainfall Experiments |
| AIDA | Archive 1 Data Analyzer |