| Acronym | Meaning |
| APACM | Atmospheric Physical And Chemical Monitor |
| MAC | Apple Macintosh Computer |
| ETCO | External Tanks Corporation |
| LGSOWG | Landsat Ground Station Operators Working Group |
| WI | Workstation Interface |
| LORAN-C | Long Range (aid To) Navigation-C |
| BV | Building Ventilation |
| ANL | Argonne National Laboratory |
| DELNI | Digital Equipment Local Network Interconnect |
| POES | Polar Operational Environmental Satellite |