ELEMENT is from 3/4 inch and 1/2 inch diameter.
The center part of the element is 1,8288 meter long.
(this is what maco uses)

Do not change diameters, if you need other dimensions: please feel free to ask.

ELEMENT:    DISTANCE     LENGHT:
REFLECTOR    0                2,74
RADIATOR        1,8             2,71
DIRECTOR 1    2,37           2,575
DIRECTOR 2    4,33           2,535
DIRECTOR 3    6,87           2,53
DIRECTOR 4    9,36           2,41

The impedance of the antenna is 50 Ohms and direct feed can be applied.

A RF choke or 1;1 balun is advised.

 

NOT FOR COMMERCIAL USE.