Frequencies above 10 GHzThe paper discusses some of the problems associated with extending the frequencies used by satellite communication services above 10 GHz. The principal propagation limitation above 10 GHz occurs when precipitation intercepts the earth-space propagation path and causes attenuation and depolarization of the transmitted signal. World attenuation statistics at 12 GHz for earth-space paths are discussed, revealing the effect of climate on attenuation properties. Space diversity is discussed as an effective means of overcoming precipitation-caused attenuation problems.
Document ID
19770045462
Acquisition Source
Legacy CDMS
Document Type
Other - Collected Works
Authors
Mcavoy, N. (NASA Goddard Space Flight Center Greenbelt, Md., United States)