Online electrical calculator which allows you to calculate the Antenna Gain, Impedance, Diameter, Space between coils, Length of wire, Half Power Beam Width, Beam Width First Nulls, Apperature. It is also referred as Helix.
Calculate Antenna Gain, Impedance using Helix
Code to add this calci to your website
Just copy and paste the below code to your webpage where you want to display this calculator.