| Acronym | Meaning |
 | WFPCII | Replacement For WFPC |
| CIS | Commonwealth Of Independent States |
| RFI | Radio Frequency Interference |
| PRTLS | Powered RTLS |
| NOAA | National Oceanic And Atmospheric Administration |
| OSSA | Office Of Space Science And Applications |
| JD | Julian Date; Julian Day (Number) |
| PASS | Primary Avionics Software System |
| SSBUV | Shuttle Solar Backscatter Ultraviolet Experiment |
| SBIR | Small Business Innovation Research |
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