| Acronym | Meaning |
 | FFP | Firm Fixed Price |
| ARPA | Advanced Research Projects Agency |
| VLF | Very Low Frequency |
| BRS | Bibliographic Retrieval Service |
| SH | Southern Hemisphere |
| ERB | Earth Radiation Budget |
| ACSH | American Council On Science & Health |
| CDH | Colorado Department Of Health |
| AMS | American Meteorological Society |
| SERI | Solar Energy Research Institute |
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