| Acronym | Meaning |
 | RMS | Root-mean-square |
| GSOP | Ground Systems Operations |
| ACRT | Aircraft Report |
| TCMRS | Tropical Climate Monitoring And Research Station |
| RAAF | Royal Australian Air Force |
| IGB | International Geophysical Bulletin |
| SAM I | Sensing With Active Microwaves |
| USDC | United States Department Of Commerce |
| OUASS | Omega Upper Atmospheric Sounding Systems |
| BRL | Ballistics Research Laboratory |
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