| Acronym | Meaning |
| LLNL | Lawrence Livermore National Laboratory(ies) |
| EM | Engineering Model |
| TMS | Thermatic Mapper Simulator |
| LL | Lincoln Laboratories |
| RAM | Rad Academica De Mexico |
| IGACP | International Global Atmospheric Chemistry Program |
| AMIP | Atmospheric Model Intercomparison Project |
| ISCCP | International Satellite Cloud Climatology Program |
| ACSE | Association Control Service Element |
| PFA | Prime Factor Algorithm |