Antenna Signal Loss In Attic

Some buildings may have particularly thick walls which can significantly decrease an antenna s functionality.

Antenna signal loss in attic.

Move the antenna to a new location or height frequently if you are using an indoor one. With time bare copper oxidizes the wood where the wire is tightly stapled to absorbs some of this oxidization and forms a loose yet lossy bond with the wire. How do i aim an antenna for digital television. However you need to make sure that you are getting some signal passing through into the attic.

Mounting outside antenna in the attic ironically helps in such a situation and allows the signal to be weakened by the roofing materials. Attic antenna attic mount loss is at least 3 dbfor a 3 4 inch plywood roof covered with roofing paper and one layer of 3 tab asphalt shingles. The attic shortwave antenna wire this is the most importantaspect to improve. For example a brick wall can cause a signal loss of up to 8 decibels.

If the cable is poorly shielded you can get signal loss and interference. This actually would help the signal booster to work at maximum performance. The coaxial cable comes wrapped in shielding usually consisting of metal and plastic. This antenna features a patented design that generates enough power to provide a signal to multiple televisions in one home even when located in an attic and it can support a variety of broadcast types including hdtv 1080p and even 4k ultra hd.

The very material that shields you from outside temperatures can hinder signal reception. Attic antennas may work in some situations but there may be as much as a 2 3 loss of signal by installing the antenna in an attic as opposed to a rooftop or outdoor wall mount installation. Your rights regarding antenna installations on your property are explained in more detail on the fcc s web site. A coaxial cable is used to transmit an over the air signal from the antenna to your television tuner.

Metal backed insulation in the attic or walls and metal exhaust vents and air ducts all block signals. Random signal reflections and absorptions may also drastically degrade the performance of an attic antenna. In general you can lose up to 40 50 of your signal s strength from an attic installation due to the loss from roofing materials but with proper installation and the right antenna you can overcome some of this loss and be successful. Rescan your channel monthly.

While that s not a huge amount it can be significant when combined with other signal loss factors insulation and metallic surfaces. Bare copper antenna wire stapled directly on wood rafters causes loss of rf signal energy.