Building An Attic Sw Antenna

Coax shield picking up interference the coax shield when not terminated at each end acts as an independent antenna.

Building an attic sw antenna.

Attic antennas to begin with building and installing an attic antenna that helps your reception you need to take stock of your attic s measurements particularly the length of the attic at it s longest distance that you have easy access and your radio s location. I can t put up some big ugly antenna. Swl antenna back in the summer of 1971. We had moved from a city apartment to a house that had a big backyard.

Another part of being a shortwave listener is designing and deploying the most clever antenna possible balancing visibility reliability and performance. All it takes is a very fine wire. Prior to our move i had been using and trying all kinds of indoor antennas since the early 60s. It s a good idea to have your antenna at least one half 1 2 wavelength of the antenna.

However i d like to occasionally run a tecsun portable on this antenna too. The second problem to solve. This is a simple homemade attic receive not transmit antenna for am and sw radio receiver channels. One quarter 1 4 wave is the minimum height above ground for effective performance.

I installed my first outdoor shortwave antenna a k a. Dipole antennas often are the easiest to build and then turned into inverted v antennas by raising the center of the antennas up into the inverted v style. The shortwave antenna explained. The principal radio being used on this antenna is a vintage hallicrafters with a high impedance balanced input.

Shortwave antenna plans and links category is a curation of 54 web resources on rhombic antenna for shortwave radio broadcasting echelon log beverages hula loop antenna. It can potentially capture and contaminate the valid rf energy coming in from your attic shortwave antenna with undesirable electromagnetic and electrostatic interference. Finished late last night and had considerable noticeabl. So i want to improve this attic antenna.

Resources listed under shortwave antennas category belongs to antennas main collection and get reviewed and rated by amateur radio operators. Transforming the attic random wire antenna to a loop. Tf a compilation in the attic antennas 1. Right now i have about 43 feet of uninsulated copper wire attached to pvc pipe as insulators drilled into attic studs.