| Acronym | Meaning |
| SDS | Satellite Data Services |
| SHARP | Summer High School Apprenticeship Research Program (NASA) |
| SSEC | Space Science And Engineering Center |
| SSU | Stratospheric Sounding Unit (TOVS) |
| STEP | Satellite Technology Education Program (WSGC) |
| SWAMP | Science Working Group For The AM Platform (EOS) |
| TES | Tropospheric Emission Spectrometer (EOS) |
| TIROS | Television InfraRed Observation Satellite (POES) |
| TMR | TOPEX Microwave Radiometer (EOS) |
| TOS | TIROS Operational Satellite |
| TOVS | TIROS Operational Vertical Sounder |
| UFO | Unidentified Flying Object |
| UHF | Ultra High Frequency |
| UV | UltraViolet |
| V | Volts |
| VAS | VISSR Atmospheric Sounder (launch |
| VIS5D | Visualization Of Five-Dimensional Data |
| VISAD | Visualization For Algorithm Development |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |
| VLF | Very Low Frequency |
| WINCE | WINter Cloud Experiment |
| WSGC | Wisconsin Space Grant Consortium |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimeter Experiment |
| XBSS | X-ray Background Survey Spectrometer |