The next one on the list is a cage dipole.
Ham attic antenna.
For this you will need either 4 or 6 inch 10 2 or 15 2 cm thick wall pvc sewer or water pipe and a way to cut it in either 1 4 or 1 2 inch 0 6 or 1 3 cm spreaders.
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.
Bare copper antenna wire stapled directly on wood rafters causes loss of rf signal energy.
For many years now designing antennas has been a passion for many a ham operator.
If the top of the antenna touches the walls or roof the performance may be affected slightly.
If you attic isn t tall enough you could angle the antenna mounting to make it fit.
Attic antennas many types of antenna can be mounted in the attic if you don t have radiant barrier tech shield.
The attic shortwave antenna wire this is the most importantaspect to improve.
The ge 20431 futura outdoor indoor attic tv antenna is one of the best looking options on the market.
Thanks david for the insulators first to comment below i ll send you an insulator in the mail.
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.
For example you can install a wire dipole in almost any attic space.
If you have some sort of attic in your home apartment or condo you re in luck.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
Using the cq antennas center insulators from ke5fen.
Attics are great locations for indoor antennas.
On vhf a beam antenna can work well in the attic even a rotator can be used.
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.
Viewer request to try out an antenna for ham radio in the attic.
You will need a peak in your attic that is tall enough for the antenna to fit.
Need lots of room keep them away from metal objects like heaters and ducts wire antennas can be run near the peak of the roof inside the attic bent in odd shapes to match the space available.
Many hams who live in covenant protected neighborhoods like to mount antennas in the attic to keep them out of sight.
Again stay away from metal and wires to maintain your pattern.
Falling through the roof is a much more likely scenario.
