The Intellitron TA-1317 is a great addition to your POTA setup or temporary at a Special Event. The TA-1317 antenna can be used vertically or horizontally to achieve the desired polarization. The base of this antenna is a 3/8×24 mounting stud and can be affixed to a base mount for ¼ wave vertical use or a dipole mount such as the Intellitron AA-1602 for horizontal use.NOTE: Some applications for mounting may be hard the first time. The coating on the threads is a possible problem and eventually resolved itself thru usage.Stainless Steel Construction3/8-24 threaded stub mountTen sections, Extends to 16.9 feet with 3 inch tall base.Collapses to 27 inches7/8 inch diameter by 2 3/8 inch long chrome plated brass base7/8 inch diameter bottom section and .10 inch top section with 5/16 inch diameter round ball tipTelescopes for full 1/4 Wave operation on 20 Meters without loading coil and 30 / 40 / 60 / 80 / 160 Meters with loading coil.