Fusible resistors, oooh very 70s, I get it. I'll finish your board exactly as post #63 just in case. when ready, I'll post here the schematic, gerbers and BOM from mouser, just in case someone wants to play with it. ;)
It would be a stack-up of
-GND-
-SIGNAL-
-SIGNAL-
-GND-
Like a coax, that...