The ge 20431 futura outdoor indoor attic tv antenna is one of the best looking options on the market.
How much signal block from anenna in the attic.
It s 60 80 feet of coax from the antenna to the tvs.
There was an amplifier which i put between the antenna and the splitter which split the signal to all the coax outlets in our house.
The very material that shields you from outside temperatures can hinder signal reception.
If your house has a tin or steel roof then the attic wouldn t be much of an option.
Provided you have a large attic or don t mind putting it on the roof we don t see any reason not to give this model a shot.
What is the typical signal propagation loss to be expected from a 2 meter 70cm j pole antenna mounted in an attic where the roofing material is the common 5 8 plywood and asphalt shingles compared to the same antenna mounted outside at the same height.
1 conduit makes a great antenna mast.
The material can be metal or pvc.
Unfortunately this can also block your tv reception forcing your hand in setting up the antenna on the roof.
I have not tried the antenna without an amp.
I believe we had it set up with a 4 way splitter.
By now you know that the building materials are a big factor.
It s best to try to place the antenna in a position so the line of sight from the tv transmitters to the antenna is not block by any of the above mentioned materials.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
I m running the amplified signal from the attic to the basement and then distributing to 3 tvs.
It s a long way from the rabbit ear designs you might think of when picturing indoor antennas and much cooler looking than the metal contraptions often found outdoors.
Disadvantages of mounting antenna in attic.
However there are a few drawbacks to mounting antenna in this way.
The only concern with attic mounted antennas is the space available to you for mounting.
Also i don t know if bad weather will affect the signal.
We used this antenna installed in the attack.
Roofing materials like shingles concrete and especially metal roofing can significantly weaken or sometimes completely block the signal from passing through.
To put it differently the only major problem with 1byone ous00 0551 is its size.
You will need a peak in your attic that is tall enough for the antenna to fit.
A 5 feet long 5 coaxial cable is also supplied with the antenna so you ll be able to use it to transmit a signal to 2 separate tv sets.
How much loss can be expected.
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.
My samsung tvs show signal strength for each channel and they all show 30 80.
An example is the use of radiant barrier in your attic or roof which reflects heat by means of a layer of shiny aluminium foil.
We had the spray on kind in the attic.
Here is our tvfool to give you a comparison.
Tv antenna elevation will also play a role in signal strength.
