| Acronym | Meaning |
| NIST | National Institute Of Standards And Technology |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |
| ASF | Alaska SAR Facility |
| FATS | Factory Acceptance Test Specification |
| ATDRSS | Advanced TDRSS |
| MARC | Middle Atmosphere Responses To Changes |
| AFP | Approved Funding Program |
| SSM/I | Special Sensor Microwave Imager |
| ISU | Intermediate Storage Unit |
| OCTS | Ocean Color And Temperature Scanner |