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Air Cored Inductor Calculator
Calculator of antenna matching units low pass filters, crystal sets, antenna traps
post 24 Feb 2024
Antenna Calculator Links →
JavaScript Axial-Mode Helix Antenna Calculator
Circumference, Diameter, Spacing Between Turns, Length of Each Turn, Length of Wire Needed, Antenna Length
J-Pole Antenna Calculator
You can use an antenna analyser to easily find if you are too long or short
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
Kvartbolge GP calculator
This antenna is simple and inexpensive to make, while still providing a good performance
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Circumference, Diameter, Spacing Between Turns, Length of Each Turn, Length of Wire Needed, Antenna Length
You can use an antenna analyser to easily find if you are too long or short
Two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead
This antenna is simple and inexpensive to make, while still providing a good performance
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane