| Acronym | Meaning |
 | SMOG | N/A |
| ITS/OT | Institute For Telecommunications |
| TOMS | Total Ozone Mapping Spectrometer |
| FPS | Fast Packet Switch |
| ECMWF | European Centre For Medium-range Weather Forecasting |
| AOSP | Advanced Onboard Signal Processor |
| EDS | Environmental Data Service |
| NAIC | National Astronomy And Ionosphere Center |
| STF | Short-Term Forecast |
| RFC | Request For Comment |
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