| Acronym | Meaning |
| STIWG | Satellite Telemtry Interagency Working Group |
| GEO 2000 | National Science Foundation's Geosciences Beyond 2000 |
| AP | Assigned Personnel |
| CASH | Commercial Aviation Sensing Of Humidity |
| WSI | WSI Corporation |
| GAMP | Global Atmospheric Measurements Program |
| BI | The Brookings Institution |
| L2D2 | Lightweight LORAN Digital Dropsonde |
| AAP | Aviation Applications Program |
| HSM | Hierarchical Storage Management |