Thursday, November 30, 2017

Random Loop Antenna. Post #1328.


If you can't view this video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=39KyjSzw31I.

For those of you who have some space in your backyard, a random loop antenna can offer some interesting possibilities.  When I was upgrading my new home in the Puna District of Hawaii Island a few years ago, I erected a 540-ft/164.53 meters horizontal loop on my property's spacious backyard, thanks to some 30-ft/9.146 meters Norfolk Pine Trees around the lot. The antenna generally followed the guidelines outlined in this video from Stan Gibilisco (W1GV).

The key components of this experimental antenna were a balanced "tuner" (or a 4:1 balun/"tuner" combination), balanced feed line, and a good ground system for your station.  In my case, I used some speaker wire left over from a radio station news room renovation (I was working as a news announcer at the time for KHLO-AM 850/KKBG-FM (97.9 MHz), a roll of 300-ohm television twin lead, a 4:1 current balun, and my trusty Drake MN-4 antenna transmatch (i.e. "tuner").
Performance on the 80, 40, 20, 15, and 10 meter amateur radio bands was excellent, especially on local nets where low-level loops become good NVIS antennas.

If you follow Stan's guidelines, you can design, build, and use a random loop antenna with minimum expense and maximum pleasure.  If you do a lot of local or regional HF contacts, this antenna can deliver solid performance at a modest investment of time and effort.

For the latest Amateur Radio news and information, please visit these websites:

http://www.HawaiiARRL.info.
https://oahuarrlnews.wordpress.com.
https://bigislandarrlnews.com.
http://www.arrl.org.
http://www.arrl.org/arrl-audio-news (a weekly podcast which is updated each Friday).
http://amateurradionewsinformation.com (Amateur Radio News & Information).

Other sites of interest:

Hawaii Science Digest (http://hawaiisciencedigest.com).
Hawaii Intelligence Digest (https://hawaiiintelligencedigest.com).
Hawaii Intelligence Daily (https://paper.li/f-1482109921).
Hawaii News Digest (https://prgnewshawaii.wordpress.com).

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Opinions expressed in this blog are mine unless otherwise stated.

Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).

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Thank you for visiting my Amateur Radio Blog. I value your comments and suggestions. For Amateur Radio Antenna Topics and Discussions, stay here. For Amateur Radio News and Trends, please visit my news site at https://bigislandarrlnews.com.
Aloha es 73 de Russ (KH6JRM).