| Acronym | Meaning |
| DS-1 | Digital Signal 1 |
| DVM | Digital Voltmeter |
| RCA | Request For Contract Action |
| NRC | National Research Council |
| DM | Data Management |
| EF | Error Function |
| EMI | Electomagnetic Interference |
| OTA | Office Of Technology Assessment |
| NESDIS | National Environmental Satellite Data And Information Service |
| ITWIS | Integrated Terminal Weather Information System |