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The FM Trap is used to reduce offending FM signals that can cause audio and video interference. Designed to attenuate the entire FM band and Average -26dB. It's a piece of hardware between the antenna and the preamplifier.
The antenna or the cable between it and the radio probably has a short to the body of the van.
You need to be more specific. Where is the FM antenna on what? The FM antenna at a radio staion could be on a mountain. FM is called line of site transmission. Meaning, it shoots a beam , or wave, in a staight line to your antenna on your car or house. So, FM can be heard even if you are going through a tunnel, provided there are no mountains to block the signal. It is also called Frequency Modulation. AM is Amplitude Modulation. It is bounced up and down between the atmospere and the ground, until it hits your antenna. So, AM can even be heard if mountains block your signal. It simply bounces over and on top of them to your antenna. Where is your car?
1). If it's getting any FM stations, then the radio is OK.2). If it's getting the strong (nearby) stations but not the weak (far away) ones,then check the car's FM antenna, the connection between the antenna and thecable, the condition of the cable from the antenna to the radio, and the connectionbetween the cable and the radio.
The main difference between AM and FM radio is the dial-in number and the amount of static each receive. AM radio preceded FM radio, with FM becoming popular in the 1950s.
Radio 1, the UK contemporary channel run by the BBC is no longer on AM but is on FM between 77 - 79 MHz. It is also online, on Sky, Freesat and Freeview platforms and on DAB radio.
check your antenna connections.
There are many online retailers one can buy an FM antenna from. They can be purchased from ebay, Amazon, Best Buy, C. Crane, Winegard and Antennacraft.
Any antenna can receive anything, but not very well unless it's the correct length for the frequency you're trying to receive. Yes, this antenna will work well so you will not need a special FM only antenna.
Sure you can use it. The question is: How effective will it be ? In the real world, the answer is: If it's a choice between an indoor FM antenna and the TV antenna on the roof, then you'll be very satisfied using the roof-mounted TV antenna for FM. Technically, the parts ('sticks') on the TV antenna are not the right lengths for FM, so the TV antenna won't be very efficient for FM reception. BUT ... it'll be a darn sight better than a piece of wire downstairs inside the house. If you live in a rural area, you'll start picking up the distant FM stations that you couldn't quite hear before. If you live in or near a big city with lots of FM stations, you just might start picking up so many that the dial of your radio is crowded, and you have troubled separating out the one you want. If that happens, you may need to get back offof the TV antenna, just because it's working TOO well for your FM radio.
i think it does.
it is built into the back window