| Acronym | Meaning |
 | GCS | Ground Communications System |
| UW | Microwatt |
| R | Yaw Rankine Rate |
| HQ | Headquarters (HDQ Preferred) |
| PGRWG | Payload Ground Requirements Working Group |
| INTR | Interior |
| SERB | Systems Engineering Review Board |
| ABCL | As Built Configuration List |
| USB | Unified S-Band |
| FIIG | Federal Item Identification Guide |
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