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J-Pole Antennas calculator
Two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead
post 21 May 2024
Antenna Calculator Links →
PHGR Calculator Power, Height, Gain and Beacon Rate
Online calculator will produce the text required to be put in your beacon string to display to others your PHGR
Quadrifilar helicoidal antenna Javascript on-line calculator
Design frequency MHz,Number of turns twist,Length of one turn,wavelengths,Bending radius
RF Toroid Inductors
Specs for T200-2 RF Toroids
RF Tools calculator
Enter the frequency of operation and the balanced and unbalanced Z0.Values for L and C will be calculated
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Online calculator will produce the text required to be put in your beacon string to display to others your PHGR
Design frequency MHz,Number of turns twist,Length of one turn,wavelengths,Bending radius
Specs for T200-2 RF Toroids
Enter the frequency of operation and the balanced and unbalanced Z0.Values for L and C will be calculated
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal