"Because the signal flows through you.
Sounds like you have a ground problem with your mp3 player or at your ground loop of your antenna."
That's the obvious answer, or at least the first thing that comes to mind but it doesn't fully explain what's going on when you touch an antenna. I get the same effect when I touch an insulated length of 300 or 75 ohm wire being used as an antenna. It's just a thin sheath of plastic so it doesn't block the electromagnetic waves in the air but it would insulate your body from direct electrical contact with the wire.
Also, and I think more importantly, WHY does your body act as such a better antenna? And how can you replicate that effect? IF your body is such an awesome antenna then why hasn't the industry just started making them all to mimic human bodies? Is it just because your body is mostly water? So then would taping your antenna to the side of a metal jug of water help so you don't have to stand there holding it yourself all day?
As you have noticed, you don't always have to hold it. Sometimes, just by getting close, you will see the same result. This phenomenon happens because of electromagnetic field around our body originating from heart and brain activities.
Bad antenna? Radio needs to be trimmed Bad antenna? Radio needs to be trimmed
The Rav4 has an antenna for the same reason that most vehicles have an external antenna, to optimize radio wave reception.
Poor AM reception in an aftermarket radio can be due to several factors, including improper grounding, interference from nearby electronic devices, or a lack of a proper antenna. If the antenna is not compatible or not installed correctly, it may not pick up AM signals effectively. Additionally, some aftermarket radios may have a weaker AM tuner compared to factory models. Checking connections and ensuring the antenna is suitable for AM frequencies can help improve reception.
Aerial is another name for the antenna that is used for reception of the radio.
The radio antenna may only work when you touch it because your body is acting as a conductor, improving the antenna's reception by grounding it and reducing interference.
They sell amplifiers to boost the signal ;)
The antenna is probably not connected
An antenna booster, also known as a signal booster or repeater, is a device designed to enhance the reception of cellular or radio signals. It works by capturing weak signals from a tower, amplifying them, and then redistributing the boosted signals to improve connectivity in areas with poor reception. These devices are commonly used in homes, vehicles, and remote locations to improve communication quality and data speeds.
This usually refers to radio sgnals and often concerns the antenna but could also concern the type of radio aparatus.
If you want to get your favorite stations programmed in the numbered buttons on the radio, just manually tune the station then push and hold the desired button in until the sound comes back on. This adjustment is lost every time you pull the radio or disconnect the battery. If you want to improve AM reception with the stock antenna and radio, there are no user-adjustable controls.
To install the radio antenna on an Infiniti QX4, first, ensure you have the correct replacement antenna. Begin by removing the old antenna by unscrewing it from the base, which may require a wrench. Next, align the new antenna with the base and screw it in securely. Finally, test the radio reception to ensure proper installation.
the antenna is in the right rear side glass.