I am soon to replace my smaller gauge wire with 8 speaker wire.
Attic loop hf antenna.
Hf antenna basics are not hard to grasp when explained in simple terms as they are in these e books.
I hoped to find something that would work on with a 100 watt hf transceiver on all bands from 80m through to 6m.
Posted in hf antennas vhf 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.
Tie wrap anchoring loop.
The near vertical portion of wire 20 ft from the attic shortwave antenna to the receiver could pick up vertically polarized electrostatic interference.
With his antenna matching unit providing an acceptable match he s on the air making contacts.
Dipole and long wire antennas can also be used with mobile outdoor style auto tuners feeding them in an attic space.
A determined operator with an attic of nice size on a 2 story house really has a wonderful platform for which to launch a great set of antennas.
Simulation is a great tool for the attic antenna farmer because it will help you to understand what will not work.
Establish the feedpoint as high as possible.
Another local uses an hf loop antenna tacked up around the circumference of the ceiling of a second floor bedroom.
Ehrenfried g8jnj i ve recently been looking at designs for an efficient antenna that would fit in a loft.
Use heavy gauge wire to minimize losses.
Potential source of interference.
Success with attic loop.
Here s what one can do.
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 rf losses are fairly low in wood and most roofing at hf vhf most of problem comes from interaction with electrical wiring and ductwork.
Put as much wire in your attic as you can run in the shape of a loop.