| Acronym | Meaning |
| GCM | Global Change Model |
| ADP | Automatic Data Processing |
| FAGS | Federation Of Astronomical And Geophysical Services |
| LM | Lumen |
| ELINT | Electronic Intelligence |
| LCD | Liquid Crystal Display |
| GPIB | General Purpose Interface Board |
| MOM | MASnet Operations Monitor |
| DBMS | Data Base Management System |
| PASSCAL | Program For Array Seismic Studies Of The Continental Lithosphere |