| Acronym | Meaning |
| ACC | Accumulator |
| LOD2 | Lightweight Omega Digital Dropwindsonde |
| C++ | An Object-oriented Programming Language Based On C |
| NCDC | National Climatic Data Center |
| IAS | Indicated Air Speed |
| IADB | Interactive Ancillary Data Base |
| FY | Fiscal Year |
| STEP | Stratosphere-Troposphere Exchange Project |
| JAWOP | Joint Automated Weather Observing Program |
| OPAL | Opacity Project At Livermore |