| Acronym | Meaning |
| PC | Continuous Pulsations |
| GPIB | General Purpose Interface Board |
| HAO | High Altitude Observatory |
| WLCE | White Light Coronagraph Experiments |
| OS | Oceanography Section |
| A/C | Air Conditioning |
| IHOP | International H2O Project |
| USGS | United States Geological Survey |
| NIDS | NEXRAD Information And Data System |
| UHURU | N/A |