How To Improve FM Signal On Radio With A Single Wire Antenna

Are you an old school who loves FM radios? Growing up FM radio has connected many people, thoughts, and ideas. Do you want to improve your FM signals? This how to improve FM signal with single wire antenna guide just made for you.

The distance between the tower and the receiver primarily influences the FM signal. Your radio might have a receiver without an antenna. But it has threats of the interference issue. Also, signal fluctuations are pretty noticeable. An antenna can establish a clear and strong connection in this case.

Additionally, the receiver helps to identify stations with weaker transmitters at huge distances.

What is a single wire antenna?

It is an elongated wire that remains suspended above the surface. The length of this wire has no relation to the wavelength of the FM.

Indeed, it is among the most convenient due to its simplicity. Besides, you can stretch the straight wire forward and back. This little adjustment is essential to have enough wire in the air.

What Is A Single Wire Antenna?

How to improve FM signal on the radio with a single wire antenna?

A single wire antenna can help improve the signal of FM radio. Furthermore, it requires just a little customization to bring in strong and clear signals. Start getting all the required things to set up your customized single wire antenna.

Items You Will Need

There can be two types of antenna. One that is installed and the other that is yet to be installed. Here we are considering an antenna that had already been installed. You will need to gather the following products.

  • Measurement tape.
  • Light gauge double conductor insulated wire.
  • Wire strippers.
  • Electrical tape.
  • Hardware setup.
  • A dipole antenna.
how to improve FM signal with single wire antenna


Follow these series of steps to set up your customized single wire antenna.

STEP 1: Disconnect the existing antenna

Disconnect the existing antenna from the radio. When it remains in connection with the radio, drag the antenna plug out of the jack to remove it.

Relax the screws that are acting as the antenna terminals over the tuner. By loosening the screw you can remove the wire easily. After the screw is made loose, the antenna should be elongated to its best size. It helps in boosting the rate of reception. The screws are called antenna terminals or tuners. After this untangles the antenna and stretches it to its full length.


Don’t worry after you take out the antenna it can be fixed right back in. After pulling out to its full length fix it back inside. Turn on and tune in any channel you desire. Now stretch the antenna terminal to its maximum.

However, you should move it little by little. Additionally, it is recommended to move from side to side increments for best positioning.

Repeat this process until you get a clear sound. Additionally, the length of the Antenna plays a crucial role in picking up the right signal for you.


After completing the first two steps successfully, the next is to tape the ante perfect the state. Tape it only when you get a good signal. 

However, When the tape loosens the signal efficacy comes down. If so a minor adjustment in the antenna position could solve your problem.

Also, ensure that there is no interference in the signal you receive. If so a little tweaking can do the job for you. After you get the desired signal, then go for establishing and securing the antenna safely. Furthermore, enclose the spikes securely.

For those who are not confident technology has brought you more advanced antennas to help you.


Your customized antenna is now ready to be enhanced. Follow the steps below to yield the best result.

  • Try to extend the power cord of the radio, make it straight enough for catching the higher signal. This strategy usually works for most radios.
  • Set the stereo sound as MONO.
  • Elongate the antenna gradually and try to adjust from various angles. It helps you to enhance the signals.
  • Take the radio closer to the window, terrace, or an open place. This can enhance signal reception. It also minimizes the hindrance, and the signals received from the exterior.
  • Furthermore remember that as per the position of the transmitting tower, signals appear from the exterior.
  • Connect the dipole antenna with the FM input section. It comes in a T-shape and is commonly available in electronic stores. It is very useful for boosting the radio signal in remote places.
  • Once the dipole antenna is linked with the FM insertion of radio, carefully take the wire available while scanning.
  • Look out for an external antenna too. It is highly efficient for those who live at a considerable distance from the point of a transmission tower.
  • After your antenna is successfully installed, connect it with the radio through the wire. Pro tip: position the antennal in parallel with the surface. Moreover, Do not tilt in any other way.
  • Signal reception is proved to be good when placed parallel to the surface.
  • Moreover, buy a signal booster to improve the gain of FM signal for a clear channel. 


Worry no more if your FM radio has poor signals. Now you have the best guide to improve the signals. A single wire antenna is always the easiest way to solve this problem. It is very functional once you understand how it works.

It is important to remember that the antenna length plays a crucial role in the reception of strong signals. 

how to improve FM signal with single wire antenna

Beginners can also try out antennas made up of natural boosters. However, keep in mind not to change and disturb the antenna unnecessarily.

Moreover, undesired enhancement can lead to permanent damage to your radio in a short period. Most importantly, safety should be kept as your main priority while doing this antenna. 


Stefan is a software engineer who graduated from Carnegie Mellon University in 2016 and currently living in San Francisco, California. He works in the leading media software industry who is quite an expert in computer manufacturing, systems development, imaging software and document management systems, and consulting. He is so passionate about computers, sports and photography and shares his knowledge by reviewing products at Yournabe.

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