| Acronym | Meaning |
 | IRS | Information Retrieval Service |
| USA | United States Army |
| ERDA | Energy Research And Development Administration |
| FRG | Federal Republic Of Germany |
| JES | Job Entry System |
| DISA | Defense Information Systems Agency |
| MSDOS | Microsoft Disk Operating System |
| SOS | Southern Oxidant Study |
| KP | Geomagnetic Planetary Index |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
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