Evan, yes it is a challenge.. One could leave the second D.L. without the BNC. Or even better, populate the other one with 2 kOhm resistors for 100 Ohm. To go further populate the possible third one with 500 Ohm. It comes all to what precision is aimed at.
I suppose if the target was 30 MHz it should be ok with two 50 Ohm and a small BNC pig tail.
73 Bojan S53DZ
