This filter is a 0.1 dB Tschebychev lowpass with a rejection of 90 dB or better at 430 MHz, and 0.2 dB insertion loss at 72 MHz. The 3 dB cutoff frequency is 120 MHz. Capacitor and coil details are given below. Use drill shank, and remove the insulation and pre-tin coil leads before soldering into the circuit. The filter is symmetrical and input and output can be interchanged.
Layout configuration can be like the schematic.
The above performance figures are theoretical off the computer and the actual rejection you get in practice depends on component layout and the deg- ree of stray coupling between sections, and the components used.