Resistive Coupler may be a useful tool for various HF, VHF or UHF measurements.
To get 50 Ohms of Input Impedance at the port, it is necessary to terminate rest of ports with real 50 Ohms. The resistors value should be 16.66 Ohm. I used 0.5W Panasonic thick film resistor 32.2 Ohm, 1%, two in stack parallel in every section. Insertion loss between ports is 6 dB.
Resistor size is 1210 (metric 3225), voltage rating 200V. Farnell part number is 232-7494.
PCB is mounted to the Hammond case 1590LLB (50x50x 25mm). Distrelec part number is 30 02 71.