Outdoor hdtv antenna (2 pages) Antenna Radio Shack 20-006A User Manual. Magnetic-mount stainless steel 41.3 (105 cm) cb antenna (7 pages) Antenna Radio Shack VU-190XR User Manual. Mint Radio Shack Indoor FM Amplifier Antenna Model No.15-1833. Shared antenna: If you have more than one radio connected to the same antenna via a splitter, the signal will lose strength. Antenna Radio Shack 15-1625 Installation Manual. Radio Shack AM FM Amplified Indoor Antenna Model No 15-1859 No Power Cord.On the other hand, if you have a multi-directional antenna, interference is more likely. Antenna type: If you have a directional antenna, it may not receive signals from multiple transmitter locations.Multipath interference: If you live in a valley or an urban area with tall buildings, signals can bounce about and reach the antenna at different times, resulting in noise distortion.Interference can also occur when station frequencies are too close together. Moving or intermittent obstacles: Interference from certain types of electrical equipment, cell towers, and airplanes can affect FM radio reception.Since FM radio transmissions require line-of-sight reception, the curvature of the Earth can also block reception at very long distances. Some home construction materials, such as stucco, concrete, aluminum siding, metal roofs, foil-lined ducts, and solar panels limit the effectiveness of indoor antennas. Stationary obstacles: Radio signals can be affected by physical obstacles such as hills, buildings, and trees.If you're too close to a transmitter, the signal may overpower your radio. Distance: You may be too far from a station transmitter to receive a good signal.
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