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Re: [TowerTalk] "Antenna Tuner"

To: towertalk@contesting.com
Subject: Re: [TowerTalk] "Antenna Tuner"
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sun, 04 May 2014 00:36:54 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 5/3/2014 9:17 AM, WA3GIN in King George, VA wrote:
Dave, with ipmost and all due respect those mentioned auto-tuners do NOT adjust the resonance of the antenna... they are purely impedance matching devices

I share your concern about using the correct word(s) to describe what is going on. That "tuner" is, indeed, an impedance matching device/network, whose purpose is to present to the transmitter a load with which it is "happy" to supply full power.

Likewise, I reject nearly all uses of the words "balun" and "ground," because they have multiple meanings that nearly always lead to confusion, and to hams doing really dumb things. I also object to the phrase "ground loop," which is a totally false concept, and also causes hams to do really dumb (and wrong) things to solve real world problems.

Call it what it is -- that "tuner" is an adjustable matching network," at least a dozen different things are described by the word "balun," and many uses of the word "ground" have nothing to do with a connection to mother earth.

73, Jim K9YC
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