Step 5. Securing the lower bracket
A. With the upper bracket and pipe holding the lower bracket in place drill the two holes in the lower bracket using a drill bit about half the size of the lag screws.
B. Insert the lag screws into the holes and firmly tighten.
C. If desired replace the shorter pipe used for installation with the desired length.
You are now ready to go on to the next step of your TV antenna system installation.