the projected surface area of the antenna that you intend to mount. This figure ... in the literature that comes with the antenna. Otherwise: standard TV antennas are ... in area; 6/10 meter beams and large TV antennas are 5 sq. ft.; 20/40 meter beams are 9 ... .; large 20/40 meter beams or multiple antenna arrays are 18 to 26 sq. ft. Also, when ... 1 sq. ft. for the mast to whatever size antenna you intend to use. (2) Decide on the ... by the height. For example, if your antenna calculation resulted in a tower ... at the Rated Load Top Section with Thrust Bearing Mounting Plate Base Legs ... showing Hinge-Over feature Base Legs Thrust Bearing 50 ft. UNIVERSAL Self- ...
mast for lateral load support. Ball bearings handle the vertical thrust load. Plenty ... TV/FM and medium amateur VHF and UHF antenna arrays. Built to take high winds and ... control accurately shows orientation of antenna. $69.99 Control Unit: 120 VAC input and ... and Infrared remote .. $89.99 TB-105 Thrust Bearing Use to provide extra support ... station and other space communication antennas; 12 sq. ft. wind load; K-factor of 578 ... designed for a wide variety of antenna installations. Strong, weatherproof, ... and reliable. Rotates multiple HF antennas or large VHF or UHF arrays with ease. ... station and other space communication antennas. 11 sq. ft. wind load; 578 ft. lbs. K- ... small to medium-sized VHF/UHF Ham antennas and TV antennas. Onepiece cast aluminum ... -cut gear system; Built-in steel thrust bearing; Wind-tested brake pad; Durable ...