| Acronym | Meaning |
| CCRS | Canada Centre For Remote Sensing |
| FSDR | Final System Design Review |
| TRW SYSTEMS | Inc. |
| WWV | Call Letters For The NBS Shortwave Radio Station That Broadcasts Time Signals Only |
| APEX | Acid Precipitation Experiment |
| API | Absolute Position Indication |
| PACS | Pan-American Climate Studies |
| POD | Probability Of Detection |
| BOD | Board Of Directors |
| PPHM | Parts Per Hundred Million |