Actually, an improved loading coil for the 40-2CD has
been designed by VE6WZ. 
http://www.qsl.net/ve6wz/intro.htm
73, Stew K3ND
--- "David L. Thompson" <thompson@mindspring.com> > 
snip
> The only thing that can be improved in my mind is to
> improve the Q of the
> coil.  But the lower Q coil allows you somewhat
> wider bandwidth.  Mine is by
> far the best beam I have used on 40
> and I remember beating W4ZR and his 4 el KLM and the
> 3 el 29 foot boom at
> N4RJ.  Plus it works on 17 and is as good on 15 as
> my KT 34XA (it is 10 feet
> higher but needs a tuner on 15).
snip 
> 73 Dave K4JRB
> 
        
                
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