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Unfortunately they dont supply the amateur market anymore so I am going to 3d print the supports and use braising rod for the elements but I don't know what the length of the elements should be.
Does anyone have the plans for these antennas or a link to where to download them.
(Edit) You can download a PDF for the 23 element version here https://www.google.co.uk/url?sa=t&rct=j ... pxDQwKICAF
Use the PDF to work out what element colour you need and then use the chart for the 55 element to convert colour to length.