| Acronym | Meaning |
| UT / LS | Upper Troposphere/ Lower Stratosphere |
| RO | Solar Radius |
| BPSG | Budget Planning And Systems Group |
| IRLS | Interrogation & Reading Location System |
| KISS | Kanton Island Sounding System |
| UCARF | UCAR Foundation |
| FO | Orbital Frequency |
| IRIS | Infrared Interferometer Spectrometer |
| HTML | Hypertext Mark-up Language |
| PROM | Programmable Read-Only Memory |