| Acronym | Meaning |
| NGDC | National Geophysical Data Center |
| PSCNET | Pittsburgh Supercomputing Center Network |
| EQS | Equatorial Scatter |
| OAR | Oceanic And Atmospheric Research |
| EOSAT | Earth Observation Satellite Company |
| BMRR | Brookhaven Medical Research Reactor |
| ANL-W | Argonne National Laboratory-West |
| DIF | Data Interface Facility |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |