| Acronym | Meaning |
![](file.png) | AMI-2 | Active Microwave Instrument 2 |
![](file.png) | SME | Solar Mesosphere Explorer |
![](file.png) | ITS | Instrument Technical Specification |
![](file.png) | SPAN | Space Physics Analysis Network |
![](file.png) | NS | Nanoseconds |
![](file.png) | RFF | Resources For The Future |
![](file.png) | DOAS | Differential Optical Absorption Spectroscopy |
![](file.png) | EERU | Environmental Emergency Response Unit |
![](file.png) | NWRC | National Weather Records Center |
![](file.png) | AWRE | Atomic Weapon Research Establishment |