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The Mechanism of FM Radio Antennas

By Julia Roger Subscribe to RSS | December 31st 2011 | Views:
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Traditional radios in our automobiles have an antenna already given for us. It is generally positioned in the rear of the vehicle and it functions for FM and AM, which works in the kilohertz and megahertz frequency range correspondingly. Satellite radios need an antenna that won`t function well from the one in our vehicle, so they need the driver to fit it.

The idea of the fm radio antennas is to draw the radio signal from satellites revolving round the earth back to your vehicle. It is not impractical because the antenna is tuned well for the precise frequency that satellite radio providers utilize is to position it in a place where it works with full efficiency.

The most uncomplicated place to position the am fm antenna is simply putting it up. It generally works most of the time but the signal from space could scatter off the car especially the roof as the antenna is situated within the vehicle. Having point of reflections will not work, as it is now tougher to get to the antenna though it might be easier to place the antenna inside but the reception may be unclear.

Irrespective of satellite radio provider one selects, the antenna must have a magnet on the other end. These functions work great when attached to metal sheet on the exterior of the vehicle. The sheet metal really assists the reception by turning the entire automobile into an extension of the antenna. The antenna utilizes the antenna currents of the automobile to strengthen the reception power of the antenna.

The sheet metal does not work in the same way in all the locations, as one might have to depend on the trial and error method. As the sheet metal is different on each vehicle, antenna also works differently. This dissimilarity alters the reflection points and other aerial features, which is not the solution. The roof works best since there are no problems between the satellite and the antenna. If the cable length is long enough then locating the AM FM antenna on the trunk lid will also work well.

Julia Roger - About Author:
For more information on am fm antenna, check out the info available online; these will help you learn to find the fm radio antennas!

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