Anyone tried this?

[W5LZ]

The ARRL Handbook has a rectangular full-wave loop antenna in it with particular dimensions. The sides are twice the length of the top and bottom (vertical loop). The input impedance works out to being very close to 50 ohms, and it's directional. I realize it wouldn't be the "biggest" or 'badest" of antennas, but it looks very simple to make. If so, what did you think about it?

- 'Doc




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[AudioShockwav]

It does sound simple to build, might be interesting......





73

Jeff


CDX 339

RadioActive

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[slim cdx285]

WOW, Doc's asking a question!!! <img src=http://www.ezboard.com/intl/aenglish/images/emoticons/smile.gif ALT=""> I never thought it would

happen.LOL! I'm just teasing ya Doc;I'm sure ya know that.

Sorry I have no info, just had to make a cute remark.

if ya try it,let us know how it comes out.

thanks.Slim

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[Moleculo]

Yeah, i saw that in the book...been wanting to try that one. I did make a full wave 80m loop that's strung along the fence, top of the house, through the trees, etc., fed by ladder line. IT doesn't "hear" all that well because it's too low to the ground. It does work, though......



Moleculo


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[Shadetree Mechanic]

Bump, does anyone know what antenna they are talking about?

 

[BJ radionut]

http://ham-antennas.blogspot.com/2011/02/simple-10-meter-loop-antenna.html

 

[Woody-202]

Yeah, i saw that in the book...been wanting to try that one. I did make a full wave 80m loop that's strung along the fence, top of the house, through the trees, etc., fed by ladder line. IT doesn't "hear" all that well because it's too low to the ground. It does work, though......



Moleculo


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How well did you do when transmitting? I was thinking of doing what you did, but using an SDR site to receive.

 

[xm49north7]

The ARRL Handbook has a rectangular full-wave loop antenna in it with particular dimensions. The sides are twice the length of the top and bottom (vertical loop). The input impedance works out to being very close to 50 ohms, and it's directional. I realize it wouldn't be the "biggest" or 'badest" of antennas, but it looks very simple to make. If so, what did you think about it?

- 'Doc




</p>

You can see my post, best antenna of my life, I have 2 of these wired together with equal lengths of coax to a tee, then a a short piece to my radio. Simply amazing set up. I have run loops single or arrayed like this, I think there is nothing better. Mine are about 6 feet wide by 12 feet tall, tune them for equal swr on channel one and channel 40, then to lower swr widen the loop in the middle. I feed middle side. View attachment 31118

The ARRL Handbook has a rectangular full-wave loop antenna in it with particular dimensions. The sides are twice the length of the top and bottom (vertical loop). The input impedance works out to being very close to 50 ohms, and it's directional. I realize it wouldn't be the "biggest" or 'badest" of antennas, but it looks very simple to make. If so, what did you think about it?

- 'Doc




</p>

 

[xm49north7]

I now make them with 3 cross sticks, the middle one with 2 - 4 footers tie wrapped, so the can be slid in and out. Those orange driveway marker rods work well or 3/4 by 3/4 pines or spruce. Best way to tune is break the loop at the bottom, and shorten as required, and use a wirenut, then solder when tuned if you like. I have one of my loops on a pulley so it is easy to lower and work on, and mason line strings on the bottom cross are to stakes to hold it where I want it, my other loops is on a wood mast that rotates. Feel free to message, happy to help.

 

[xm49north7]