Download or read book Characteristics of Point to point Tropospheric Propagation and Siting Considerations written by Robert S. Kirby and published by . This book was released on 1961 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since World War II there has been a tremendous development and expansion of telecommunication facilities in the frequency range above 100 mc. Particularly at these frequencies, the characteristics of the tmosphere and terrain affect the propagation of radio waves. The presence of the troposphere manifests itself in many ways. One of its more important chracteristics is the mechanism which causes more efficient radio wave propagation than can be accounted for by diffraction alone. There have been several different theories put forth to explain this phenomenon (all of which involve the troposphere, and in some instances the stratosphere as well) and the effect of the variations in atmospheric refractive index upon the propagation of electromagnetic waves. Layers and ducts, which are characterized by horizontally homogeneous discontinuities in the vertical gradient of refractive index, inffluence line-of-sight paths as well as non-line-of-sight paths. Regular fading as well as prolonged space-wave fadeouts are associated with these atmospheric conditions. (Author).

Download or read book Characteristics of Point to point Tropospheric Propagation and Siting Considerations NBS Technical Note 95 written by R S Rice P L Maloney Kirby and published by Hassell Street Press. This book was released on 2021-09-10 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Download or read book Journal of Research of the National Bureau of Standards written by and published by . This book was released on 1961 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Journal of Research of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1962 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Transmission Loss Predictions for Tropospheric Communication Circuits written by United States. National Bureau of Standards and published by . This book was released on 1965 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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