Building An Attic Sw Antenna

Transforming the attic random wire antenna to a loop.

Building an attic sw antenna.

The principal radio being used on this antenna is a vintage hallicrafters with a high impedance balanced input. 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. So i want to improve this attic antenna.

I can t put up some big ugly antenna. However i d like to occasionally run a tecsun portable on this antenna too. All it takes is a very fine wire. 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.

We had moved from a city apartment to a house that had a big backyard. It can run out the window to a tree or stapled along under the eaves or even in the attic. It can potentially capture and contaminate the valid rf energy coming in from your attic shortwave antenna with undesirable electromagnetic and electrostatic interference. Swl antenna back in the summer of 1971.

This is a simple homemade attic receive not transmit antenna for am and sw radio receiver channels. 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. Here are some ideas about an in the attic antenna. The second problem to solve.

Coax shield picking up interference the coax shield when not terminated at each end acts as an independent antenna. The shortwave antenna explained. Finished late last night and had considerable noticeabl. Tf a compilation in the attic antennas 1.

Resources listed under shortwave antennas category belongs to antennas main collection and get reviewed and rated by amateur radio operators. One quarter 1 4 wave is the minimum height above ground for effective performance. What a difference that made. Another part of being a shortwave listener is designing and deploying the most clever antenna possible balancing visibility reliability and performance.