| Acronym | Meaning |
| ISA | Instrument Society Of America |
| PPS | Public Products Service |
| UK AEA | United Kingdom Atmomic Energy Authority |
| SAR-C | SAR-C Band |
| BPI | Bits Per Inch |
| AGFS | Aviation Gridded Forecast Systems |
| DIA | Denver International Airport |
| TOPS | Transcendental Operating System |
| GCTE | Global Change And Terrestrial Ecosystems |
| O AND A | Orbit And Altitude |