Attic Hf Antenna Risk

I know many people that use 2m mag mount antennas in homes and i know there is a ladder line jpole in the 2m 440 flavor that they say you can pin on an inside wall.

Attic hf antenna risk.

The figures below shows the configuration of these antennas. Before i take the leap particularly into hf i need to learn more about antennas in the house. Hf might be different. All of the wire antennas used insulated hookup wire.

Ehrenfried g8jnj i ve recently been looking at designs for an efficient antenna that would fit in a loft. My final antenna suite while in the townhouse consisted of 2 sets of hf dipoles and a j pole for 2 meter operation. Bare copper antenna wire stapled directly on wood rafters causes loss of rf signal energy. Have 2 story home with ample attic above for antenna or can put antenna against house and not extending above roof.

Looks like something you could make rather easy. Loft attic antennas for restricted spaces m. Interactions with nearby objects electrical wiring plumbing ductwork and other construction materials may adversely interact with an attic antenna. Rfi an attic antenna may interfere with household electrical and electronic systems due to its proximity.

That is a pretty cool looking antenna. Attic antennas many types of antenna can be mounted in the attic if you don t have radiant barrier tech shield. 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. 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.

I went to my friends house to check out his setup and get him up and running on some hf digital modes. The attic shortwave antenna wire this is the most importantaspect to improve. I ve read some of the hf 10m homebrew constructions and they seem do able for me but. First is safety with less than 100 watts what do i need to know about health and fire hazard.