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The radials are from a sirio 827, 8mm diameter x 1400mm long,

 I can add tuning tips using a few inches of gamma rod if i need to,


Making the hoop bigger is an idea from the patent, it claims .6db more gain if you make the radial tips 9 feet apart where the radials are about 30 degrees from the monopole,


To me the mechanical issues outweigh the small gain advantage they claim and i don't like the look of the big ring,


I may experiment with monopole length at some point but for now i want it 3/4wave with a 1/4wave sleeve,


I can test Vortex's claim about the mk2's  3/8wave sleeve giving more gain and wider low vswr bandwidth.