The 9.2-5-160 is full sized 9.2 MHz Yagi designed to withstand 160 MPH winds. This is by far our most rugged design providing full band coverage. The 9.2-5-160 is a powerful package of clean mechanical design, quality materials, littered with machined parts. The design produces outstanding performance that will keep the performance steady for years and years. Mechanically the boom is a 20 foot, 4-1/2" x 1/4" wall center with 4" x 1/8" wall tips. The mast mounting plate is 3/8" and the boom mounts with rugged machined cradle clamps. The element sections have been computer optimized for 160 MPH winds. The boom section is side guy supported by HPTG 1200 Phillystran and an HPTG 6700 overhead guy system is supplied for the boom as well. A hairpin type match couples the 3 kW 1:1 balun to feed line. The antenna is completely DC grounded. Compare performance, construction and durability with the competition...no on can even come close !