| Acronym | Meaning |
 | SMI | Solar Magnetism Initiative |
| POP | Probability Of Precipitation |
| APCA | Air Pollution Control Association |
| AEROCE | Air Ocean Exchange Experiment |
| LTER | Long Term Ecological Research |
| APEN | Air Pollution Emissions Notice |
| IRIG | Inter-range Instrumentation Group |
| PELTI | Passing Efficiency For The Low Turbulence Inlet |
| JWG | Joint Working Group |
| LEARN | Laboratory Experience In Atmospheric Research |
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