The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
How much signal block from anenna in the attic.
Also i don t know if bad weather will affect the signal.
The ge 20431 futura outdoor indoor attic tv antenna is one of the best looking options on the market.
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.
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.
Disadvantages of mounting antenna in attic.
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.
The only concern with attic mounted antennas is the space available to you for mounting.
Is it of the magnitude of reaching only half the distance or is the loss less significant.
Roofing materials like shingles concrete and especially metal roofing can significantly weaken or sometimes completely block the signal from passing through.
If your house has a tin or steel roof then the attic wouldn t be much of an option.
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.
I have not tried the antenna without an amp.
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.
To put it differently the only major problem with 1byone ous00 0551 is its size.
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.
Unfortunately this can also block your tv reception forcing your hand in setting up the antenna on the roof.
Tv antenna elevation will also play a role in signal strength.
How much loss can be expected.
My samsung tvs show signal strength for each channel and they all show 30 80.
1 conduit makes a great antenna mast.
I believe we had it set up with a 4 way splitter.
Signal loss attic installation vs.
By now you know that the building materials are a big factor.
We had the spray on kind in the attic.
Here is our tvfool to give you a comparison.
Blocked signal to some extent.
You will need a peak in your attic that is tall enough for the antenna to fit.
I m running the amplified signal from the attic to the basement and then distributing to 3 tvs.
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 used this antenna installed in the attack.
The material can be metal or pvc.
The very material that shields you from outside temperatures can hinder signal reception.
