How to Connect 2 TV Antennas for Better Reception

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Receiving over-the-air TV channels can be difficult. Some channels are using VHF (very high frequencies), while others are using UHF (ultra high frequencies). That requires two different types of antennas, or a dual antenna that can receive both types of signals. If you have two different types of antennas, you can hook them together to make your channel hopping easier. Connecting two antennas can also help improve the reception of signals. Before you connect them together, find out what type of antennas you are using. If you are using directional antennas, you will need to find what direction to point them for optimal performance.

Things You'll Need

  • Bandpass filter/channel trap
  • 75 ohm coaxial cable

Antenna Setup

  • Set up your antennas according to the manufacturer's instructions. Keep in mind antennas create their own electrical field that can interfere with each other. This can cause ghosting and other effects. Place your antennas as far apart from each other as possible to eliminate reception problems.

  • Make sure both antenna cables are the same length. If one cable is longer, it will over power the other antenna. They should also be 75 0hm coaxial cables.

  • Connect one antenna to your TV. Aim the antenna toward the signal source. Run channel scan using the menu on your converter. Once the antennas are set up for the best reception, disconnect the cable from the TV. Connect the cable for the other antenna to the TV and repeat the process. You are connecting the two antennas together to get the best reception with the most channels. Total up the channels you get. Once you are happy with the results, move on to the next section.

Cable Setup

  • Use a Bandpass filter/channel trap. A standard two antenna coupler (reverse cable splitter) will not filter out ghosting or antenna overpowering. This device only allows the channel you are watching to go through the unit that blocks out undesired signals. Find a spot for the unit away from electrical outlets and fields.

  • Connect one antenna cable to the "Antenna in" connector, making sure it's screwed in tightly. Connect the second antenna cable to the second "Antenna in" connector.

  • Connect your 75 ohm coaxial cable to the "TV out" connector on the box. Connect the other end of the cable to the "Antenna in" at the back of your DTV converter box. Run a channel scan using the menu of the converter to lock in the channels. Enjoy your TV.

Tips & Warnings

  • Set up the antennas when the sky is clear to get the best signal.
  • Keep the cables and antennas away from electrical power sources to avoid electric shock.

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References

  • Photo Credit antenna 2 image by Madrider from Fotolia.com
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