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Author: William F. Utlaut Publisher: ISBN: Category : Artificial satellites in telecommunication Languages : en Pages : 48
Book Description
This note is intended to provide an engineering guide for the siting radio terminals for use in long-range HF communication systems. A brief summary of ionospheric effects upon HF radio signals is presented. Various factors required for an ideal site such as Fresnel zone size and smoothness, noise, antenna height, vertical radiation angle and electrical characteristics of the ground are discussed. Standards to guide compromises for practical cases of siting are considered. A partial bibliography which may be useful for those desiring a greater depth of understanding of the various subjects considered in provided.
Author: William F. Utlaut Publisher: ISBN: Category : Artificial satellites in telecommunication Languages : en Pages : 48
Book Description
This note is intended to provide an engineering guide for the siting radio terminals for use in long-range HF communication systems. A brief summary of ionospheric effects upon HF radio signals is presented. Various factors required for an ideal site such as Fresnel zone size and smoothness, noise, antenna height, vertical radiation angle and electrical characteristics of the ground are discussed. Standards to guide compromises for practical cases of siting are considered. A partial bibliography which may be useful for those desiring a greater depth of understanding of the various subjects considered in provided.
Author: William F. Utlaut Publisher: ISBN: Category : Artificial satellites in telecommunication Languages : en Pages : 48
Book Description
This note is intended to provide an engineering guide for the siting radio terminals for use in long-range HF communication systems. A brief summary of ionospheric effects upon HF radio signals is presented. Various factors required for an ideal site such as Fresnel zone size and smoothness, noise, antenna height, vertical radiation angle and electrical characteristics of the ground are discussed. Standards to guide compromises for practical cases of siting are considered. A partial bibliography which may be useful for those desiring a greater depth of understanding of the various subjects considered in provided.
Author: William F. Utlaut Publisher: Forgotten Books ISBN: 9781396357954 Category : Science Languages : en Pages : 50
Book Description
Excerpt from Siting Criteria for Hf Communication Centers Electrical and topographical characteristics of terminal sites are of considerable importance in their effects on radio propagation, and reception, for long-range ionospheric communication. It is the purpose of this report to provide an engineering guide for the siting of such radio terminals based on the current state of knowledge of propagation factors and communication techniques. Aspects of siting such as ground conductivity and dielectric constant; Fresnel zone requirement, size and clearance; ambient noise level, vertical angle of radiation; and other factors for an ideal site will be considered and standards to guide compromises for practical circumstances will be given. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William F. Utlaut
Author: William F. Utlaut
Author: William F. Utlaut
Author: William F. Utlaut
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Author: United States. National Bureau of Standards
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