| Acronym | Meaning |
| ERL | Environmental Research Laboratory |
| SIRS | Satellite Infrared Spectrometer |
| DECMAIL | An Electronic Mail Facility Provided By DEC |
| AC | Actual Commitment |
| R/T | Receiver/Transmitter |
| SSEC | Space Science And Engineering Center |
| DCF | Data Capture Facility |
| ESSCO | Environmental Science & Services Corporation |
| ITU | International Telecommunications Union |
| ERTD | Environmental Research & Technology Division |