The rf losses are fairly low in wood and most roofing at hf vhf most of problem comes from interaction with electrical wiring and ductwork.
Hf antenna in an attic.
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.
Another local uses an hf loop antenna tacked up around the circumference of the ceiling of a second floor bedroom.
Antennas generally perform best when they re out in the clear but there is no law that says you can t use an outdoor antenna indoors.
For example you can install a wire dipole in almost any attic space.
With his antenna matching unit providing an acceptable match he s on the air making contacts.
Ge is one of america s most trusted electronics brands and their antenna is specifically designed to be installed in an attic so it can provide fantastic reception while staying out of sight.
Dipole and long wire antennas can also be used with mobile outdoor style auto tuners feeding them in an attic space.
It can potentially capture and contaminate the valid rf energy coming in from your attic shortwave antenna with undesirable electromagnetic and electrostatic interference.
Attics are great locations for indoor antennas.
Attic antennas can work better than you might think some of mine work as well as their outside counterparts no i m not comparing to a 150ft tower big yagis.
The second problem to solve.
Attic antennas many types of antenna can be mounted in the attic if you don t have radiant barrier tech shield.