[Lf] [Fwd: LF: RE: Re:RE: LF Revival]
Andre Kesteloot
andre.kesteloot at verizon.net
Tue Oct 8 06:44:15 CDT 2002
"Ashlock,William" wrote:
> Jim M,
>
> >I remain to be convinced about the benefits of loop TX antennas.
> >If you have the choice of a tuned wire 15m long in total , or a 15m by 15m
> loop, it is not
> >surprising that the latter is a better bet - it is a much bigger antenna,
> after all.
>
> Actually under 'ideal' site conditions such as an open field, free from the
> effect of trees, and where a good ground system can be installed, the top
> loaded vertical with similar overall dimensions beats the loop for radiation
> efficiency by 6db on average. Typical residential sites, however, are
> another story. In my home situation the same 6db favors the loop over the
> vertical - even for a #12ga loop wire. Additionally, I have found the loop
> is whole lot more rugged when it comes to extremes in wind, rain, ice and
> snow. What makes 'looping' even more fun, at least for me, is that this
> success stands in the face of so much negative text written about the TX
> loop. Renowned authors of antenna textbooks often state that the small loop
> (I.E.: <<1WL) is of little value for transmitting.
>
> Bill A
>
> _____________________________________________________________________
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