STEP SERIES SRP-1 TILT BASE, FOR 5 & 6 STEP-1 HOLE Concrete Base OEM | eBay
ROHN 45G Tower Hinged Base Plate BPH45G | 3 Star Incorporated
My home made tilt base, very strong and over kill but tower is still free standing after ice and winds. 36ft to feed point of Maco 5/8. | WorldwideDX Radio Forum
HF Tower Installation
American Tower Company AME25-BH Amerite Tower Base Plates | DX Engineering
N6RK: Falling Derrick Method of Tilting Up a Tower
TowerIndex
Spokane DX Association » Blog Archive » Fall Tower and Antenna Work in the club