Ham Radio Loop Antenna Attic

An attic coaxial cable trap dipole for 80 meter stealth loop an antenna that from long wire to yagi 80 40 meter attic antena antenna modeling.

Ham radio loop antenna attic. Attic mounted hf loop antenna in hoa does it work. September 30 2019 by zamira leave a comment. The antenna installation consists of the popular chameleon f loop with the rtrr rotator tuner all remotely controlled from the ham shack. The roof is supported by engineered trusses.

Attic antennas iw5edi simone ham radio. 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. On vhf a beam antenna can work well in the attic even a rotator can be used. Attic antennas are a great idea unless your attic is like mine.

Again stay away from metal and wires to maintain your pattern. 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. The house will act as a natural shield and as long as your attic mounted antenna system is independent to the rest of your antennas lightning won t be an issue. The same techniques apply.

In the middle of the house is a great room. Many types of antenna can be mounted in the attic if you don t have radiant barrier tech shield. Another local uses an hf loop antenna tacked up around the circumference of the ceiling of a second floor bedroom. The same dipoles and loops that you use in your attic can also be used in any other room in your home.

A second advantage to mounting the antenna in the attic is that you will be protected from lightning strikes in the event of severe weather. As with most antennas the more height the better for indoor operating however most hams recommend using low output power. Keep the antenna as high off the floor as possible. Ham radio loop antenna attic.

The house is 22 wide by 60 long. Dipole and long wire antennas can also be used with mobile outdoor style auto tuners feeding them in an attic space. With his antenna matching unit providing an acceptable match he s on the air making contacts. 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.

The trusses in most of the house while difficult to manuever through allow for passage of an antenna with adequate clearances. In this video from julian oh8stn we see how an attic mounted magnetic loop solved a major antenna issue for julian s friend and former colleague in ukraine.