| Acronym | Meaning |
| FR | Federal Register |
| MHS | Message Handling System |
| ISR | Individual Schedule Request |
| GFE | Government Furnished Equipment |
| IGB | International Geophysical Bulletin |
| ISP | Internet Service Provider |
| MAP | Metro-Agro-Plex |
| SVP | Surface Velocity Program |
| LHS | Left-hand Side |
| ACEC | American Consulting Engineers Council |