| Acronym | Meaning |
 | F&SF | (The Magazine Of) Fantasy & Science Fiction |
| SEN | Senegal (ISO 3166 Trigram) -Small Extension Node |
| AVCATT | A -(U.S. Army's) Aviation Combed Arms Tactical Trainer-Aviation [Reconfigurable Manned Simulator] |
| PBCK | Problem Between Chair And Keyboard (computer Help Desk In-joke) |
| Q4 | Fourth Quarter |
| RIAA | Recording Industry Association Of America |
| SBCS | Single-Byte Character Set |
| RJD | Reduced Julian Day |
| TACCSF | U.S. Theater Aerospace Command & Control Simulation Facility |
| KITECH | Korean Institute Of Industrial Technology |
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