This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Millimeter waves atmospheric loss. en Atmospheric loss at millimeter wave EHF frequncies at sea level and km altitude Lower values indicate atmospheric transmission windows fcc gov pdf Millimeter Wave Propagation Spectrum Management Implications Federal Communications Commission Office of Engineering and Technology New Technology