SERIES II For large medium antenna arrays up to 20 sq. ft. wind load. Available ... control, 2 1/16 inch max. mast. AR-40 For compact antenna arrays and large FM ... /TV up to 3.0 square feet wind load area. Dual 12 ball bearing race. Automatic ... support included. CD-45II For antenna arrays up to 8.5 sq. feet mounted inside tower ... . HDR-300A For king-sized antenna arrays up to 25 sq.ft. wind load area. Control ... in the world! For medium communications arrays up to 15 square feet wind load area. ... 1/16 inches. HAM-V For medium antenna arrays up to 15 square feet wind load area. ... Light duty mast support for CD-45II and AR-40. TSP-1, $34.95. Lower spacer plate for ... Weight Effective Moment (in tower) AR-40 Rotator Specifications 3.0 square feet ...