mmckenna
I ♥ Ø
There's a number of ways to do the next step. A small set of needle nose pliers works well to hold the center section to keep it from turning.
Then put a wrench on the outer ring and snug it down. Do not over tighten it, but snug it down.
This is a small VHF antenna, but when you are done, this is what it'll look like:

Then put a wrench on the outer ring and snug it down. Do not over tighten it, but snug it down.
This is a small VHF antenna, but when you are done, this is what it'll look like:

