(Mt Helen) E. of Allardt, Fentress County, TN. TN52 E. 7.75 miles from jct with Pennsulvania Av. in Allardt, N. on Sam Smith Rd. 1.6 miles, E. (right) on Mt. Helen Rd. 1.45 miles, S. on Moore Knob Rd. 0.15 miles to the tower on the W. side of the road. (N36 23.884 W84 44.633) Photos by Jack & June Schmidt 6-4-18.