On Wed, 30 Jan 2002 "Dave, AA6YQ" <dhb@mediaone.net> writes:
>
> Given that one can vary element lengths but not element spacings,
> how close to monoband performance can one get with this approach?
>
> 73,
>
> Dave, AA6YQ
A 14 to 18 ft boom is a reasonable compromise from 10 thru 20M.
Band 14 ft boom 18 ft boom
20M 0.2 WL 0.26 WL
15M 0.3 WL 0.38 WL
10M 0.4 WL 0.52 WL
See the W2PV Yagi Antenna Book Chapter 2 Figure 2.9
for plots of typical 3L Yagi designs on boom lengths from
0.1 to 0.7 WL
Tom N4KG
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