I was told any yagi will work as long as you get the right coax but finding the right coax has been a problem for me

My name is John, I am from Tallahassee fl. I have been a long time coon hunter and have recently starting trying to train dogs to rig for bobcats. As far as I know I am the only one anywhere near my area hunting cats and we have a very healthy population.(we have more cats than coons, and we ...