| Acronym | Meaning |
| SUNRISE | Radiative Input From The Sun To The Earth Program |
| BGE | Block Gaussian Elimination |
| NRDC | National Research Development Corporation |
| FOS | Family Of Services |
| OTA | Office Of Technology Assessment |
| AGL | Above Ground Level |
| ATEN | Association Technique De L'Energie Nucleaire |
| LDAD | Local Data Acquisition And Dissemination |
| P/L-EX | Payload Executive |
| NEWS | NOAA Earth Watch Service |