| Acronym | Meaning |
 | SPAR | Spaceborne Rawinsonde |
| WAS | Whole Air Sampler |
| AHS | Automated Highway System |
| MASDIS | Meteorological Assimilation Data Ingest System |
| BGP4 | Border Gateway Protocol Version 4 |
| TDR | Tracking And Data Relay |
| MARC | Machine Readable Cataloging |
| ALPA | Airline Pilots Association |
| SEM | Space Environment Monitor |
| PPS-PODS | Precise Position System- Precise Orbit Determination System |
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