| Acronym | Meaning |
| KM | Kilometer |
| CPC | Climate Prediction Center (NWS Center) |
| KSC | Kennedy Space Center |
| NOAASIS | NOAA Satellite Information System |
| ABS | Advanced Baseline Sounder |
| AMS | American Meteorological Society |
| HST | Hubble Space Telescope |
| GIFTS | Geosynchronous Imaging Fourier Transform Spectrometer |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| GAC | Global Area Coverage |