Attic Antenna Balun Construction

2016 10 03 at 19 24 k.

Attic antenna balun construction. The attic shortwave antenna wire this is the most importantaspect to improve. Interactions with nearby objects electrical wiring plumbing ductwork and other construction materials may adversely interact with an attic antenna. 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. 1 response to hidden attic dipole antenna installation.

Follow the instructions that come with the balun. The dipole antenna i installed was cut roughly for 20m 14mhz but the final tuning has not yet been performed allowing for optimization for the in situ configuration. Attach a balun to the 2 center sections of wire. An attic antenna is more economical than a rooftop installation to maintain and doesn t entail as many potential repair costs as its outdoor counterpart.

Dipole antenna balun center. Reduced bandwidth if a shortened length antenna is chosen to accommodate the space limitations of an attic installation it can reduce the swr bandwidth. This is a transformer that can be purchased on the internet or at an electronics retailer. Like the attic dipole.

Bare copper antenna wire stapled directly on wood rafters causes loss of rf signal energy. Common mode currents are a major source of noise in coax fed attic dip0les or balanced line fed attic dipoles where the balanced line is handled carelessly. Made from sturdy materials including solid aluminum and a waterproof dipole box this antenna is designed to resist the elements even in a non weatherproofed attic so it can continue to provide your household with free access to tv channels for a long time. So need to get licensed.