hi. I would like to construct a Chebyshev 5-Element Low-Pass Filter (between linear and antenna) for 1431 khz. I would like to use standar capacitor values, which are easy to find. My problem is to find how many turns with 2mm diameter wire i need for the two coils of the filter. The filter is for an experimental univerisity radio station. I need to use 2mm diameter of wire, because the linear have maximum output 500watt. thank you very much.