How high should a dipole antenna be?

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This is post 2342 in a continuing series of simple ham radio antennas.

Thanks to David Casler (KE0OG) for this excellent, well-paced look at dipole antenna performance.

Customary wisdom says HF dipole antennas should be at least 1/2 wavelength above ground for best performance.  Dave use a variety of methods to answer this question.

The tutorial is informative and easy to understand.  Here are some additional comments from Dave:

How high should a dipole be? What happens if it's too low or too high? We turn to EZNEC antenna modeling software to see that the old rule of thumb of one half wavelength is correct. But there are lots of things going on! Learn about modeling and dipoles in this video. Subscribe: https://youtube.com/davidcasler. Ask Dave Playlist: https://goo.gl/inaQeB. Tip Jar: http://ke0og.net/tip-jar To learn more about me, visit: http://www.dcasler.com/about/ Tip jar (on my website): http://www.dcasler.com/tip-jar/ (provides a method to use your credit card via PayPal, Also describes Patreon) To pose an Ask Dave question: http://www.dcasler.com/ask-dave/ or http://www.ke0og.net/ask-dave/ To order the old Technician videos on DVD: http://dcasler.com/how-to-buy-technic... To order the most recent and up-to-date Amateur Extra videos on a thumb drive: http://dcasler.com/aevids-on-stick/ Theme music is "Sour Tennessee Red," by John Deley and the 41 Players, courtesy YouTube Music Library. I use drawings from OpenClipArt.org, including the "walking man" Technician training videos, see http://www.ke0og.net/training/ General training videos, see http://www.ke0og.net/general/ Amateur Extra training videos, see http://www.ke0og.net/extra/ List of the Ask Dave videos, see http://dcasler.com/ask-dave/#askdavelist Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.) My primary website: http://www.dcasler.com The ham radio part of my website (direct link): http://www.ke0og.net My publishing website: http://www.mtsneffelspress.com, where you can find my fantasy and science fiction books, as well as some local history books I publish for the Ridgway Railroad Museum and the Ouray County Historical Society My Amazon author page, which lists my print and Kindle books: http://www.amazon.com/-/e/B00471I0Q4. And I'm now reading (producing) audiobooks! See my first effort here: https://goo.gl/0GTHsW I'm often asked what equipment I use to create the videos. The devices include the Panasonic DMC-G7 camera, Panasonic HDC-TM90 video camera, GoPro Hero2 HD camera, Tascam DR-05 audio recorder, Audio-Technica ATR-3350 lapel microphone, Sony Cyber-shot DSC-W560 digital camera, the Kodak Zi-8 video camera, my iPhone 5S, and Pentax K100D DSLR. Software used: CyberLink PowerDirector 13 on a Toshiba S55-A5294, also using Smoothdraw 4.0.5.0, FastStone Image Viewer 5.3, FastStone Capture 8.0, Audacity 2.1.1, LibreOffice 5.0.4.2, and Ink2Go 1.7.2. You can see how my studio is set up by viewing https://youtu.be/wFSQ8vtNA5A. Twitter: @dcasler
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Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).