| Acronym | Meaning |
| CXBR | Cosmic X-ray Background Radiation |
| SR | Special Relativity |
| WSGT | White Sands Ground Terminal |
| FITS | Flexible Image Transport System |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| CNES | Centre National D'Etude Spatiales |
| DOE | Department Of The Environment |
| VVS | Voenno-Vosdushniye Sili |
| RAL | Rutherford-Appleton Laboratory |
| CRL | Communication Research Lab |