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#6
July 4th 07, 09:39 PM
posted to rec.radio.amateur.antenna
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Horizontal Attic Loop Feed
"charlie" wrote in message news  Wayne wrote: Looks like I'll have to use a horizontal loop in the attic for a few months. Any opinions on how to best feed it? --open wire --coax coil balun --ferrite bead balun --straight coax The loop is about 13 feet per side, and I want to operate 20 meters and up. In the past I have simply used a coax feed without a balun. It worked OK, but there was a lot of stray RF around the house. TIA Another option is the one that I use which is a fan dipole - it would be simple for 20 metres up - mine is from 80m up. It's fed by co-ax via a balun. You can see details at http://www.radiowymsey.org/FanDipole/fandiploe.htm . The only interference I have had was to my son's amplified computer speakers which was easily cured by winding it's input lead on a piece of ferrite road. If you checkout the slinky dipole page you will see how easy it is to make co-ax balun. Charlie. -- M0WYM www.radiowymsey.org Thanks, I'll check it out. |
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