Tuesday, February 17, 2015

Simple Ham Radio Antennas: Folded Dipole Antenna. Post #376.

Here's a nice experimental monoband antenna that is easy to build and provides a bit more bandwidth than a single wire dipole. Stan Gibilisco (W1GV) reviews the basic theory and construction practices used to build this antenna. All you need is enough 300 ohm tv twinlead to build the dipole for your chosen frequency, some additional 300 ohm twin lead for the feed line, and a balanced tuner or a 4:1 balun to tuner combination to connect the feed line to your rig. I've built a version of this antenna for 40 and 20 meters, supported by a single fiberglass vertical mast using a sloper configuration. The folded dipole makes an excellent portable or emergency antenna. The antenna breaks down easily and can be rolled up and stored in a small plastic bag or container. For more information on this antenna, please visit http://www.sciencewriter.net. For the latest Amateur Radio news and events, please check out the blog sidebar. These news feeds are updated daily. You can follow our blog community with a free email subscription or by tapping into the blog RSS feed. Thanks for joining us today! Aloha es 73 de Russ (KH6JRM).

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Aloha es 73 de Russ (KH6JRM).