Antennas For Vhf And Above

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Antennas For Vhf And Above

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Author : Ian Poole
language : en
Publisher:
Release Date : 2008

Antennas For Vhf And Above written by Ian Poole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Vhf And Uhf Antennas

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Author : R. A. Burberry
language : en
Publisher: IET
Release Date : 1992

Vhf And Uhf Antennas written by R. A. Burberry and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Technology & Engineering categories.

Describes the VHF and UHF antennas for the 30-3000 Mhz range that have been developed over the past 50 years, including many designs that have not previously been treated in detail, and several new uses for old designs. Among the topics are methods of predicting and measuring the performance of antennas, and how it is affected by the local environment, both normal and adverse, and by the structures on which the antennas are mounted, both fixed and mobile (including humans). Addressed primarily to practicing antenna engineers; the basic theory is assumed to be known except for the less known types. Distributed by INSPEC. Annotation copyright by Book News, Inc., Portland, OR

Buried Vertically Polarized Uhf Antennas

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Author : Institute for Telecommunication Sciences
language : en
Publisher:
Release Date : 1970

Buried Vertically Polarized Uhf Antennas written by Institute for Telecommunication Sciences and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Radio categories.

As a result of a 10-month study funded by the Air Force Space and Missile Systems Organization and carries out by ESSA's Institute for Telecommunication Sciences, four UHF antennas were designed and their gains versus elevation angle up to 45° and horizontal plane patterns for a 5°elevation angle were measured with each antenna buried beneath 1 m of refractory concrete. Techniques were developed and used to measure loss tangent and dielectric constant of plane ground and large samples of refractory concrete versus drying time and temperature. Theoretical studies of buried annular slots, buried antenna patterns, encapsulant geometry, and dielectric-coated linear antennas paralleled the measurement effort.

Practical Antenna Design 140 150 Mhz Vhf Transceivers Third Edition

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Author : Elpidio Latorilla
language : en
Publisher: Booksurge Publishing
Release Date : 2006-11-20

Practical Antenna Design 140 150 Mhz Vhf Transceivers Third Edition written by Elpidio Latorilla and has been published by Booksurge Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-20 with Antennas (Electronics) categories.

This authoritative and well-researched book is the only one that will give all of the most important and reliable on VHF antenna construction techniques. This unique book offers a superb collection of detailed, easy-to-follow, fully illustrated, and tested designs, covering such types of antennas as: omnidirectional antennas, gain-omni antennas, gain-directed beams, portable antennas, Yagi antennas, stacked arrays, stacked collinears, wideband-omni antennas. Packed with detailed drawings, plans, schematics, instructions, material lists, formulas, tips and tricks. Plus, the reader is given and extra chapter on converting the designs for other frequency bands, making it profitable not just for amateurs, but for professionals as well.

Numerical Approach For Predicting Radiation Patterns Of Hf Vhf Antennas Over Irregular Terrain

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Author : Valdis V. Liepa
language : en
Publisher:
Release Date : 1967

Numerical Approach For Predicting Radiation Patterns Of Hf Vhf Antennas Over Irregular Terrain written by Valdis V. Liepa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Antenna radiation patterns categories.

The feasibility of using physical optics approximation for computing radiation patterns of ground-based HF-VHF antennas in the presence of known ground irregularities is investigated. A computer program was written for physical optics formulation to evaluate the composite radiation patterns of a line source above an irregular, but deterministic, perfectly conducting surface. For the special case of a line source above a perfectly conducting plane with semicylindrical boss,the exact field expressions are derived, and the numerical results are compared with those obtained by physical optics for the same geometry. An error criterion that gives a meaningful error estimate at both the maxima and minima values of the radiation pattern is formulated and applied to the computed result. It is concluded that physical optics approximations can be used for predicting the radiation patterns of ground-based HF-VHF antennas.

Vhf Uhf Antennas

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Author : I. D. Poole
language : en
Publisher:
Release Date : 2002

Vhf Uhf Antennas written by I. D. Poole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Shortwave radio categories.

Antennas For Vhf And Uhf

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Author : I. D. Poole
language : en
Publisher:
Release Date : 1994-01-01

Antennas For Vhf And Uhf written by I. D. Poole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-01 with Shortwave radio categories.

Stealth Antennas

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Author : Steve Nichols
language : en
Publisher:
Release Date : 2015-01-07

Stealth Antennas written by Steve Nichols and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-07 with categories.

Indoor Television Antenna Performance

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Author : R. G. FitzGerrell
language : en
Publisher:
Release Date : 1979

Indoor Television Antenna Performance written by R. G. FitzGerrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Television categories.

Radio Antennas And Propagation

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Author : William Gosling
language : en
Publisher: Newnes
Release Date : 1998-11-02

Radio Antennas And Propagation written by William Gosling and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-11-02 with Technology & Engineering categories.

Radio Frequency Energy: Background; Electromagnetic sources; Simple antennas; More complex antennas; Antennas using conducting surfaces; Specialised antennas; Summary. Moving Quanta from Place to Place: Introduction to Various Propagation Environments; Describing the Earth's Atmosphere; The Troposphere; Reflection; Where We Live; Near Earth Propagation; Radio Propagation in a Complex Urban Environment; Sky-wave Propagation; Artificial Sky-wave Propagation; Summary; Index; Appendix: Feeders.