| Acronym | Meaning |
| DDS | Domestic Data Service |
| IMS | Information Management Service |
| ESRO | European Space Research Organization |
| AVN | Aviation Model At NCEP |
| TIE | The Institute Of Ecology |
| APOL | Analytical Photonics And Opto-Electronics Laboratory |
| OPTRAN | Optical Test Transmittance Model |
| ANPR | Advance Notice Of Proposed Rulemaking |
| SMS | Synchronous Meteorological Satellite |
| AWDP | Aviation Weather Development Program |