The only concern with attic mounted antennas is the space available to you for mounting.
Ham radio attic antenna installation.
Again stay away from metal and wires to maintain your pattern.
In order to really test it i decided to skip the step of a temporary outdoor deployment and just go ahead and put it in to it s final location.
Some radio hams have an attic antenna as a backup to their main antenna on the roof.
There is no need to climb up ladders and possibly onto the roof with all the hazards for untrained people not used to climbing up ladders and handling them whilst up there.
Install a 9 1 unun at the antenna end of the coax.
Remote rf switch control box in the shack chooses which antenna is operational in the attic.
For anyone who does not like heights this is a great advantage.
On hf wire beams can be run on the roof supports or the rafters these usually are good for one direction only but can be switched electrically for different coverage.
If the top of the antenna touches the walls or roof the performance may be affected slightly.
Hide stuff in the closet one of the challenges you may encounter is getting the coaxial cable up into the attic.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
Installation of a wire antenna in my small attic as previously mentioned i ve recently built my first wire antenna.
You should then make the coax shield connect properly to the pl 259 connectors at each end.
It is normally very much easier to install a radio antenna in the attic or roof space than outside.
Once all the yagis were bolted in place on the mast i used my antenna analyzer to adjust their driven elements to provide the best match in the weak signal portions of each band.
Unun stands for unbalanced coaxial line to unbalanced antenna.
On vhf a beam antenna can work well in the attic even a rotator can be used.
You will need a peak in your attic that is tall enough for the antenna to fit.
In the attic the antenna is not visible it is not exposed to weather and it can be installed without climbing onto your roof.