loss antenna

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KE4UYP Linear loaded vertical antenna
This is a vertically and horizontally polarized antenna the Linear loaded 1 4 wave length ...

[ Hits: 13798 | Votes: 18 | Rating: 6.71 ]

Trapped dipole for 80 and 40 m
This article explores a theoretical model for the losses of an 80m 40m trapped inverted ...

[ Hits: 2731 | Votes: 0 | Rating: 0 ]

VSWR Loss Calculator
This calculator is designed to give the efficiency loss of a given antenna based on ...

[ Hits: 1868 | Votes: 9 | Rating: 2.45 ]

Echelon-Log Beverages - W8JI
About beverage antennas Enhanced F B Beverages Bandwidth of Directivity arrays This article describes two ...

[ Hits: 1861 | Votes: 1 | Rating: 10 ]

Antenna Feed Lines for Portable Use
Why twinlead isn't necessarily a low loss feed line.

[ Hits: 1532 | Votes: 2 | Rating: 10 ]
Antenna Cable Loss and SWR
Calculate Cable Loss from SWR and reverse Text file with only two simply formulas ...

[ Hits: 2193 | Votes: 4 | Rating: 4 ]
Better Feedline Loss Measurements with Antenna Analyzers
Various publications through the years have shown how the SWR measured on a shorted or ...

[ Hits: 1924 | Votes: 2 | Rating: 10 ]
Feeder Radiation
Connecting centre fed antennas dipoles yagis rhombics loops to coaxial cable unless care is taken ...

[ Hits: 1830 | Votes: 4 | Rating: 8 ]
The Coaxial Line
Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses

[ Hits: 888 | Votes: 0 | Rating: 0 ]

Another vertical antenna for 30, 40 and 80 meters
This article is to describe a multi band DX dedicated antenna offering a minimum of ...

[ Hits: 4377 | Votes: 4 | Rating: 3.5 ]

Types of Coax in Satellite operations - AMSAT
Coax is a very important part of a satellite station It is almost as important ...

[ Hits: 2398 | Votes: 1 | Rating: 9 ]

Small antennas and radiation resistance - W8JI Tom Rauch
Small antenna what causes loss and how to increase radiation resistance in small antennas A ...

[ Hits: 884 | Votes: 0 | Rating: 0 ]
Trap antennas, coaxial trap, coax dipole antenna loss resistance
Testing and comparison of traps and trap antennas

[ Hits: 3166 | Votes: 4 | Rating: 9.5 ]
Antenna Efficiency
K0BG article con antenna efficiency covering topics like radiation resistance coil losses and ground losses ...

[ Hits: 458 | Votes: 0 | Rating: 0 ]

Wire Loss and Antenna Gain
Discussion at eham about wire size used in wire antennas and how it affects the ...

[ Hits: 847 | Votes: 0 | Rating: 0 ]

Self supporting 80M Vertical
A self supporting vertical antenna for 80 meters by W9OY include pictures and construction details ...

[ Hits: 2410 | Votes: 2 | Rating: 5.5 ]

DirectionalWaveguide - Seattle Wireless - Seattle Wireless
Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide A waveguide is ...

[ Hits: 4983 | Votes: 3 | Rating: 6 ]

Davis RF - Steve
DAVIS RF Co has been in the business of supplying the staples of wire antennas ...

[ Hits: 2477 | Votes: 11 | Rating: 7.64 ]

ERP Calculator Plus - Dave, KD4UDY
ERP Calculator is an Amateur Radio software utility designed to perform a side by side ...

[ Hits: 3002 | Votes: 9 | Rating: 5.11 ]
Smith Chart Software - ward harriman
SimSmith is a highly interactive real time Smith chart graphing program Circuits are constructed using ...

[ Hits: 1575 | Votes: 6 | Rating: 6.5 ]