Hits
Double Extended Zepp NVIS Antenna Calculator
The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna
post 29 Jan 2024
Antenna Calculator Links →
Return Loss Calculator
Calculates the absolute load impedance, reflection coefficient, VSWR, return loss and mismatch loss of a load
Single Layer Air Core Inductor Design
Round wire coil with dimensions and current-sheet approximation
Sophisticated Helix Antenna Design
With matching Coax to 50 ohm<
The Quarter-wave stub
The Quarter-wave stub can be used for many purposes. If it is left with an open end it can be used as a notch filter to attenuate certain frequencies
RF-Calkulator
Wavelength calculator,resonance calculator,the ohm's law,air condensers calculator,coils calculator
161
Calculates the absolute load impedance, reflection coefficient, VSWR, return loss and mismatch loss of a load
Round wire coil with dimensions and current-sheet approximation
With matching Coax to 50 ohm<
The Quarter-wave stub can be used for many purposes. If it is left with an open end it can be used as a notch filter to attenuate certain frequencies
Wavelength calculator,resonance calculator,the ohm's law,air condensers calculator,coils calculator
Noise suppression with X-phase II This device similar devices are known as QRM eliminators or noise killers, makes it possible
The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna
Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo