How to Install a Yagi Antenna


A yagi antenna can improve the signal for your cell phone or digital television reception. Mounting an antenna requires some basic tools and a little bravery in getting to the highest point of a structure. Height is a critical factor in determining the success or failure of an antenna install.

Things You'll Need

  • Yagi antenna
  • Extension ladder
  • Socket wrench and inserts
  • Screwdrivers (Allen, Phillips, flat head)
  • Compass
  • Drill and 3/16-inch bit
  • RG-6 coax
  • 2-inch lag bolts, 4

Getting Up

  • Locate the highest safe point of the structure for mounting an antenna. Try to make sure the location is reasonably free from other obstructions, such as trees and other buildings.

  • Set the extension ladder to access this point. Bring along a compass to find the direction of TV broadcast towers, or the nearest cell broadcast tower (research online to find these locations). This is the side of the structure on which to mount the antenna. Don't forget the socket wrench, drill/bit, inserts, screwdrivers and the antenna itself.

  • Align the yagi according to the online directional findings and your compass. With the antenna in place, drill through the bolt holes using the drill and 3/16-inch bit. Remove the antenna and set aside for now.

  • Bolt the yagi to the structure with the directional arms up and down (for cell) and horizontal (for digital TV). Use the socket wrench to insert two-inch lag bolts.

  • Route the RG-6 coaxial cable from the antenna to the amplifier (for cell use) or tuner (for digital TV). Make sure the cable will be free from potential future traffic in or near the antenna's mounting area.

Tips & Warnings

  • Never use an extension ladder near high voltage. Always recruit a helper if you're using the ladder on wet or sloped surfaces.

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  • Photo Credit antenna image by Madrider from
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