| Acronym | Meaning |
| OMO | Orbiting Meteorological Observatory |
| BFPQ | Block Floating Point Quantizer |
| ECR | Engineering Change Request |
| OCC | Operations Control Center |
| M | Milli |
| CAS | Cooperative Application Satellite |
| AF | Auxiliary Feed |
| MTI | Moving Target Indicator |
| AWDP | Aviation Weather Development Program |
| DIS | Data Interface System |