| Acronym | Meaning |
 | BP | Boundary Profile |
| SPAN | Space Physics Analysis Network |
| ECTD | Emission Control Technology Division |
| PD | Positive Definite |
| ETL | Energy Technology Programs |
| CCAB | CGD Computing Advisory Board |
| ARC | Ames Research Center |
| IWGDMGC | Interagency Working Group On Data Management For Global Change |
| ARCC | American Rivers Conservation Council |
| STEP | Solar Terrestrial Energy Program |
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