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Author: V. H. Goerke
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 64
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Book Description
The results of VHF ionospheric scatter measurements made in the European-Mediterranean area are shown to be in good agreement with results obtained in continental United States.Sporadic-E propagation was observed much more frequently in the EuropeanMediterranean area than in the United States.The unusual diurnal variations and low signal levels observed by British workers in 1955 on a Gibraltar-UK path are explained on the basis of antenna patterns which favored off-path and high-level scattering by meteoric ionization.It is concluded that the paths and sites used during these tests would be suitable for practical ionospheric forward scatter systems.(Author).
Author: V. H. Goerke
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 64
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Book Description
The results of VHF ionospheric scatter measurements made in the European-Mediterranean area are shown to be in good agreement with results obtained in continental United States.Sporadic-E propagation was observed much more frequently in the EuropeanMediterranean area than in the United States.The unusual diurnal variations and low signal levels observed by British workers in 1955 on a Gibraltar-UK path are explained on the basis of antenna patterns which favored off-path and high-level scattering by meteoric ionization.It is concluded that the paths and sites used during these tests would be suitable for practical ionospheric forward scatter systems.(Author).
Author: V H Goerke
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 486
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Book Description
Author:
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 58
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Book Description
Author:
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 58
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Book Description
Author: V. H. Goerke
Publisher: Forgotten Books
ISBN: 9781527922846
Category : Technology & Engineering
Languages : en
Pages : 66
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Book Description
Excerpt from Vhf Ionospheric Scatter System Loss Measurements, European-Mediterranean Area The site at Tripoli did not appear to be as good as some of the others at first inspection. The site selected was on somewhat undulatory terrain with a down slope to the Mediterranean of very nearly 1 as shown on figure 3. Nearly all of the first Fresnel zone was on this sloping terrain. The antenna towers were set up on the down slope with the antenna height reduced by three feet to obtain a main lobe beam at the required elevation angle. The beam elevation angle was then checked by flight tests and found to be correct within about 0. The minimum above the main lobe was at least 24 db down, indicating that the site was excellent for the purposes of this test. 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:
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ISBN:
Category : Physical instruments
Languages : en
Pages : 68
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Author: Jean A. Koch
Publisher:
ISBN:
Category : Spectroscope
Languages : en
Pages : 798
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1284
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1320
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1284
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