“Brinber? I haven’t brinbed in ages…
It means nothing. Without knowing it’s type/name it is just a unknown cable you can’t trust.
Get some H155 coax or similar.
Mike
I haven’t made a yagi yet, and i probably should, but I recommend a tape measure yagi
This is the video I was going to use, How To Build A 70CM Tape Measure Yagi Antenna - YouTube