HF-ANTENNA.com

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 HF Dipole Antennas

Simple 1/2 wave
Tuned 1/2 wave
Twin Lead
Inverted "V"
MultiBand
Switch/Trap
Ladder
Inverted Ladder
Basic End Fed V
Adv End Fed V
 

 HF Vertical Antennas

40 meter Basic
20 meter Top Load
20 meter Uni-pole
20 mtr Flagpole/Balun
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 HF Hobby Antennas (non-ham)

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  Welcome

  NOTICE: This web site will undergo a major reconstruction. ALL tech articles will be converted to PDF's rather than web pages to avoid piracy and non-approved links. In addition, now that I'm retired from engineering practice, more articles will be added as well as small KITS of projects will be furnished. Please be patient in the transformation.

  This web site contains all the little sheets of paper, sticky notes, old books, and white papers which have cluttered my desks for decades.

  I was a radio hobbyist long before I started working in radio. In April 1968, after receiving my F.C.C. license, I had my first broadcast radio job. I started working in professional recording and engineering in 1977, and TV & HF broadcasting in 1985.

  The numbers I give in these articles are as close to being real as possible. But in all applications you must "adjust" for optimum performance. In all my years, I have never taken an antenna out of a box, or built one from a book, that has not had to be field-adjusted. Varying factors such as near field contamination, grounding, use of materials, or understanding how antennas work get in the way of perfect operation. Get accustomed to having to tweak! It's part of the learning process.

  The categories on the left and right contain links to the articles. Many I have made myself, and some I have assisted friends build. I'm always happy to give sage advice, but I can not make an antenna for you, or provide parts. Kits sold on the site are the only exception.

  When it comes to on-line forums, Facebook, and other social media ... take what people say with a grain of salt. Because they say it works for them, does not mean it will work for you. Some people, (regardless of license or stated credentials), toss out advice or comments which they know nothing about. And there is a portion of people who comment for the sake of commenting without knowing what they are talking about. Antennas, especially around power lines, are lethal. Tubes, and high voltage are lethal. Antennas can, and have, attracted lightning. Before taking the word of anyone on-line, do your research on the subject and practice safe and sane. And if you don't know ... ask!


Contact Info

  Frederick R. Vobbe, W8HDU
  706 Mackenzie Dr
  Lima, Ohio 45805-1835 USA
  QTH: EN70wr

  W8HDU@HF-Antenna.com

No junk mail, spam, or unsolicited offers!
Sorry, not text, instant messaging, or phone calls.

 
 
 HF Special Antennas

3 band short Vee
Inv Dipole using Guy Wires
G5RV Dipole
T.T.F.D.
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 AM Hobby Antennas

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 FM Hobby Antennas

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 Misc. Designs/Notes

Phasing Harness
Formulas 4 Antennas
Roll your own Coil - 1
The Smith Chart
Wire Size/Gauge
Lightning Strike Elimination PDF
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Simple Balun Support
Simple Vertical GND
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Message Handling
Abbreviations
US Marine Freqs. PDF
Misc. Data Files.
CB Hacks & Hints
CB Channels
 

 
I hate spyware more than you do! Site updated: August 15, 2025