| Acronym | Meaning |
| SSU | Stratospheric Sounding Unit |
| KB/S | Kbits/s |
| AMD | Alpha Activity Median Diameter |
| NACCAM | National Coordinating Committee On Aviation Meteorology |
| TA# | Taylor Number |
| AGI | American Geological Institute |
| UCAID | University Corporation For Advanced Internet Development |
| ATST | Advanced Technology Solar Telescope |
| MSP | Minneapolis |
| CCRS | Canada Centre For Remote Sensing |