How to Boost TV Antenna Signal Using Aluminum Foil: IN-DEPTH GUIDE

Nothing is more frustrating than not being able to enjoy your favorite TV show because the signal keeps growing weak. Fortunately, there is a way of correcting the problem – constructing an antenna booster with aluminum foil. 

As soon as you create one and connect it to your TV antenna, signal reception should be flawless. The best thing is, finding the supplies is quite easy, as most of them are already in your home.

So, rather than wasting cash on a new antenna, let this guide help you boost the TV antenna you already have.

Here are the materials you will need to Boost TV Antenna using Aluminum Foil:

  1. Newspaper
  2. Scissors
  3. Paperclips
  4. Coaxial cable adapte
  5. Tape measure
  6. Pencil
  7. Stapler
  8. Cellophane tape
  9. Construction paper
  10. Coaxial cable
  11. Utility knife
  12. Cardboard
  13. Aluminum foil
  14. Photo frame

Step by Step Guide on Constructing a TV Antenna Booster with Aluminum Foil

Step-1: Put a newspaper sheet on the table. Then, take off the cardboard backing from the cardboard. Put the backing on the newspaper with its end facing you.

Step-2: Use the tape measure to measure midway across the cardboard backing’s width. Mark that out with the pencil. Make a line running vertically downward from the halfway mark.

Step-3: Make vertical lines to the right and left of the mark. They should be a ½ inch from the mark. Also, draw a line running horizontally across the backing at the same mark.

Step-4: Cut out a 24” of aluminum foil and cut that into six 4” strips using the scissors. Fold every one of these strips in half along their lengths. Go on folding till the strips are around a ¼ inch in width. Then, cut out an 8” section from 4 of the strips and fold the foils to create an “A” shape.

Step-5: Place the A-shaped cut out at the middle of the vertical line that is at the left of the cardboard backing’s middle vertical mark. The spot where you place the cut out should also be above the horizontal line.

Step-6: With the cellophane tape, connect the 2 ends of the aluminum strip to the cardboard backing. Repeat the procedure using another strip of aluminum, taping it to the right of the midway mark. Also, repeat the same procedures on the right and the left, this time placing the aluminum strips below the horizontal line.

Step-7: Put one end of one of the remaining aluminum strips (the 2 that you did not cut) on the A-shaped cut-out at the upper left side of the cardboard backing. Then, put the other end of the strip on the A-shaped cut-out at the lower right side of the backing. Use the paperclips to link the aluminum strips together.

Step-8: Set the cardboard scrap at the middle of the cardboard backing and angle it so that the upper end is touching the A-shaped cut-out at the top left side and the lower end is touching the A-shaped cut-out at the lower right side.

Step-9: Put the second strip of aluminum foil on the cardboard scrap such that one of its ends lies on the A-shaped cut-out at the top right side and the other end lies at the top of the A-shaped cut-out at the lower left side. Use the paperclips to connect the foils together.

Step-10: Set the ends of the 2 wires emerging from the coaxial cable adapter on the ends of the 2 aluminum strips that run past the A-shaped cut-outs at the right and left sides at the lower part of the cardboard backing. Use the paperclips to link the strips with the wires.

Step-11: Staple the 2 wires to the cardboard backing so they’re properly secured.

Step-12: Tape the cable adapter’s sides to the backing using the cellophane tape.

Step-13: Cut out a portion of the construction paper using dimensions similar to those of the cardboard backing.

Step-14: Affix one of the coaxial cable’s ends to the coaxial connector on your TV.

Step-15: Using the utility knife, make a tiny hole in a photo frame’s corner which will function as an exit for the coax cable. Set the portion of construction paper you cut out into the frame. Also, put the cardboard backing into the frame right over the portion of construction paper.

Step-16: Close the clips at the photo frame’s back.

Boosting the Power Further with an Amplifier

If you’d like to boost your antenna’s power further, a signal amplifier might be very helpful. You can give your TV antenna a much-valued power boost by adding an amplifier to your TV setup.

A signal amplifier runs in-line on the coax cable between the TV and the antenna and by the way, you could take advantage of a power adapter as well to make the amplifying system even more effective.

Another helpful means of improving your signal is to limit your coax cable’s length. This works by minimizing the rate at which your signal output gets degraded. FYI, approximately 30% of the signal gets lost with each 100 feet of coax cable it passes through. For that reason, a most effectual means of improving signal strength would be to shorten the cable.

Final Word

Aluminum is a conductor and for radio waves, it’s an excellent mirror. Perhaps the antenna doesn’t have access to the transmitter due to blockage. The work of the aluminum foil is to mirror the transmitter into the antenna’s line of sight.

Generally speaking, the presence of a conductive element alters the antenna by functioning as an addition to the antenna’s structure. It, hence, boosts the antenna’s capacity to interact with the electromagnetic waves.

Another worthwhile reason why aluminum boosts signal reception is that it blocks interference emerging from unwanted transmitters.

Richard B. Torres

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