| Acronym | Meaning |
| TASU | Time-alternating Space-uncentered |
| LF | Low Frequency |
| DDS | Doctor Of Dental Science |
| RIB | Research Internet Backbone |
| AOS | Advanced Orbiting System |
| SAO | Semiannual Oscillation |
| ITIR | Intermediate Thermal Infrared Radiometer |
| S/TM | Stratospheric/tropospheric Measurements |
| IEEE | Institute Of Electrical And Electronic Engineers |
| IBM AT | IBM Advanced Technology Personal Computer |