Also commercial multiband or shortened dipoles work well.
Attic hf dipole.
A coaxial cable trap dipole antenna installed in the attic provides a surprisinglyeffective solution to hf operation on the 10 15 20 30 40 and 80 meteramateur bands at a qth with restrictive covenants that prohibit outsideantennas.
There are a lot of dipoles in attics out there the big limiting factor here is the size of your attic.
With his antenna matching unit providing an acceptable match he s on the air making contacts.
The better your antenna the more success you will have making contacts.
Dipole lengths 1 2 wave antenna 468 feet freq mhz.
The infamous attic dipole.
Again run your dipole as far away from metal as possible.
Dipole and long wire antennas can also be used with mobile outdoor style auto tuners feeding them in an attic space.
Dipole antennas do not forget the dipole antenna for a single and multi band use.
Another local uses an hf loop antenna tacked up around the circumference of the ceiling of a second floor bedroom.
If you need more room consider zig zaging your wire just keep your turns at 90 degrees or more.
This was installed at a previous qth i will be the first or millionth remember i m from fl to affirm that the antenna is the determining factor for success when it comes to one s station set up.