| Acronym | Meaning |
| DIF | Directory Interchange Format |
| B | Bit |
| WVR | Water Vapor Radiometers |
| HIS | High-resolution Infrared Sounder |
| MLI | Multiple Layer Insulation |
| NDSC | Network For Detection Of Stratospheric Change |
| ABC | Advanced Ball Concept |
| DIS | Defense Intelligence Service |
| USIC | UCAR Space Implementation Committee |
| NNF | Non-NSF Funded |