Plain English Meaning

It is a ground-based radio navigation station near Brookwood, Alabama. Pilots tune it in to find out which direction they are from the station and how far away they are.

Full Definition

A specific VORTAC navigation facility located near Brookwood, Alabama, identified on aeronautical charts and used as a navigation fix for VOR and DME-equipped aircraft. A VORTAC combines a VHF Omnidirectional Range (VOR) station, which provides bearing information, with a Tactical Air Navigation (TACAN) station, whose distance-measuring component is usable by civil aircraft as DME.