By G8MNY (Updated Sep 06)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)
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~~~--──...___ Clamps└─┘ ___...──--~~~
~~~--──[ ]──--~~~
Length specifies the distance between holes prior to bending the elements into loops. The driven element is split at the top (furthest away from the boom) & fed with coax which passes through the boom via a hole a few millimetres behind the driven element.
Boom diameter = 12.7mm
Driven Element = 4.76mm x 0.71mm copper strip.
All other elements 4.76mm x 0.71mm aluminium strip.