Vhf Uhf Antennas


Vhf Uhf Antennas
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Vhf And Uhf Antennas


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



Vhf Uhf 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.




Arrl S Vhf Uhf Antenna Classics


Arrl S Vhf Uhf Antenna Classics
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Author : Steve Ford
language : en
Publisher: American Radio Relay League (ARRL)
Release Date : 2003

Arrl S Vhf Uhf Antenna Classics written by Steve Ford and has been published by American Radio Relay League (ARRL) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Microwave antennas categories.


Ground planes, J-poles, mobile antennas, Yagis and more. Build a better antenna for your hand-held radio. Construct a 2-meter Yagi that will rival similar commercial antennas. Build a dual-band vertical for 146 and 445-MHz. The results will be rewarding! Includes projects gathered from the 1980 to 2003 issues of QST.



Vhf Uhf Fixed Station Mast Mounted Antennas System


Vhf Uhf Fixed Station Mast Mounted Antennas System
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Author :
language : en
Publisher:
Release Date : 1998

Vhf Uhf Fixed Station Mast Mounted Antennas System written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.


The purpose of this program is to design, build, test and deliver a VHF-UHF fixed station mast mounted antenna system. Antenna Products proposed three configurations to investigate in an effort to achieve an acceptable system. Configuration A consisted of combining a VHF monopole/counterpoise antenna and a UHF collinear antenna. During the investigation it was found that the counterpoise did not properly terminate the radiating structure when the radials are less than a quarter wavelength long. The performance is characterized by a loss of gain at the lower frequencies. A full size structure would be larger and heavier than a dipole antenna. Therefore, no further investigation of configuration was undertaken. Configuration B consists of combining a VHF vertical half-rhombic antenna system and a UHF collinear antenna. The rhombic antenna system was envisioned as two rhombic curtains mounted orthogonally about a 10 meter mast and would serve as guys for the mast. The UHF antenna would mount on top of the mast. It has been determined that to achieve reasonably omnidirectional azimuth patterns it is necessary to use four rhombic curtains in an azimuth array. At the interim report, the height of the antenna was 10 meters and the radius was 25 meters. Further investigations have lead to a 10 meter tall structure with 10 meter radius that uses six equally spaced slant wires that are fed in-phase near ground and connected at the top of the tower. A UHF collinear dipole array mounts on top of the dielectric mast. A prototype of this antenna is available for shipment to CECOM for further evaluation. The propagation mode for this antenna is surfacewave instead of spacewave as commonly experienced when two antennas are mounted on masts above the earth's surface. Therefore, field tests should be conducted to determine the suitability of the antenna for the application.



Test And Evaluation Of Vhf Uhf Antennas


Test And Evaluation Of Vhf Uhf Antennas
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Author : James G. Dong
language : en
Publisher:
Release Date : 1968

Test And Evaluation Of Vhf Uhf Antennas written by James G. Dong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Antennas categories.




Television Receiving Antenna System Component Measurements


Television Receiving Antenna System Component Measurements
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Author : R. G. FitzGerrell
language : en
Publisher:
Release Date : 1979

Television Receiving Antenna System Component Measurements 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.




An Investigation Into The Behaviour Of Vhf Uhf Antennas In The Proximity Of The Human Body


An Investigation Into The Behaviour Of Vhf Uhf Antennas In The Proximity Of The Human Body
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Author : S. Kapartis
language : en
Publisher:
Release Date : 1984

An Investigation Into The Behaviour Of Vhf Uhf Antennas In The Proximity Of The Human Body written by S. Kapartis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.




Indoor Television Antenna Performance


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.




Antennas For Vhf And Uhf


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.




Antennas For Vhf And Above


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.