Thanks for coming back with this. I am now at the mercy of the forum here. You got me stumped. This is a good question.
I googled "tinning". Came up with this to educate those of us who never heard of it, ( I have ) but I personally never have used it. We need a forum sutopic on Installations with topics on Antennas , grounding, structured cabling etc.
BTW, I REALLY like your Radiant Network Link, outstanding set up.