| Acronym | Meaning |
 | FFT | Fast Fourier Transform |
| SEM | Space Environment Monitor |
| NWS | Naval Weather Service |
| IRAC | Interdepartmental Radio Advisory Committee |
| GUISE | Group For Unidata Interface Software Exploration |
| AOC | Area Of Concern |
| SQ | Solar Quiet |
| CCL | Convection Condensation Level |
| OFDA | Office Of Foreign Disaster Assistance |
| ISR | Individual Schedule Request |
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