| Acronym | Meaning |
 | CCR/IDA | Center For Communications Research/Institute For Defense Analyses |
| GOS | Global Observing System |
| NEIC | National Earthquake Information Center |
| EDS | Environmental Data Service |
| AC | Alternating Current |
| EERL | Eastern Environmental Radiation Lab |
| ELF | Extremely Low Frequency |
| PYI | Presidential Young Investigators |
| JASIN | Joint Air-Sea Interaction Experiment |
| CCCMA | Canadian Centre For Climate Modeling And Analysis |
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