Simple Ham Radio Antennas--N4KC's Top Five Multiband Antennas. Post #973.

N4KC's Top Five Multiband Antennas
Author:  Don Keith (N4KC).
Accessed on 06 December 2016, 00:25 hrs, UTC.
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Don Keith (N4KC) is one of my favorite amateur radio authors.  He has a genuine talent for making the overly complex simple for us non-technical folks.

Such is the case for his latest article on the website.  In this article, Don lists what he considers the top five five multiband HF antennas for radio amateurs.  He also includes two honorable mentions that are gaining in popularity.  The best part of this essay is Don's encouragement for you "roll your own" antenna and just have fun experimenting with antenna designs.

Based on Don's personal experience, here are the top five HF multiband antennas for ham radio operators:

The G5RV antenna designed by the late Louis Varney (G5RV). While this antenna can be used on all amateur radio bands between 40 and 10 meters, it does best on the 20 meter band where it works as an efficient 3/2 wavelength antenna.

A dipole fed with open wire parallel line.  This antenna comes closest to being called the "universal" HF antenna, since it can work on all HF bands, if the dipole is designed for 3.5 MHz and fed with 450 ohm ladder line, 300 ohm television twin lead, or homebrewed 600 ohm balanced line.  The only drawback to this antenna is the need for a balanced antenna "tuner" or a balun/tuner combination to keep SWR under control.

The off-center fed Windom Antenna.  This legacy derivative of the dipole is best fed with balanced line into an antenna "tuner."

The Fan Dipole.  This antenna is a set of dipoles cut for each band of use and fed in the center with 50 ohm coaxial cable.  Tuning is a bit critical since the dipole elements are close to each other.  This antenna is a good choice if you want an inexpensive multiband antenna connected to a single coaxial cable feed line.

Trap verticals and dipoles.  These antennas are well-suited for small backyards where space is at a premium.  Trap verticals require a ground radial or counterpoise system to work efficiently.

Honorable Mentions:

Hex Beams.  These antennas are fairly small and can be supported by a sturdy mast.  Although commercial models are available, you may want to build one yourself with locally available materials.

One wavelength loops.  Horizontal loops fed with balanced feedline make excellent NVIS (Near Vertical Incident Skywave) antennas for ARES volunteers, local and regional nets, and general shortwave listening.  Loop antennas are generally quieter than vertical antennas and can be made from locally available materials.  An intriguing design for the "Loop Skywalker" antenna can be found in various ARRL publications.

There you have it--five great ideas and two up and coming contenders for the top HF multiband antennas available for radio amateurs.  Have some fun and build one of these great antennas.

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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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