| Acronym | Meaning |
 | DAT | Digital Audio Tape |
| ERACF | Environmental Radiation Ambient Monitoring System |
| NESDIS | National Earth Satellite Data And Information System |
| MT | Magnetic Tape |
| MPIF | Message Passing Interface Forum |
| MACRAT | Middle-Atmosphere Chemistry |
| IUE | International Ultraviolet Explorer |
| ULTRIX | UNIX-based Operating System For Digital Equipment Corporation Computers |
| LOTREX | Working LORAN |
| IUCRM | Inter Union Commission On Radio Meteorology |
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