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If you make the dog bone space wider the frequency goes down, but the rod also affects the reactance and you will have to play with that in order to tell which side of reactance you are on with your first try. I don't think you can really go by the exact figures for the New Vector manual, but it will give you the general idea.

Have you tried checking the match with the antenna laying on some non-conductive support off the ground? If so, are you still getting a no load indication with your SWR meter after you fixed the radial length?

Do you have your bottom hub up 17" from the base?

Is your dog bone straight or does it have angle from the radiator to the gamma rod?

[QUOTE="Marconi, post: 275588, member: 903"] If you make the dog bone space wider the frequency goes down, but the rod also affects the reactance and you will have to play with that in order to tell which side of reactance you are on with your first try. I don't think you can really go by the exact figures for the New Vector manual, but it will give you the general idea. Have you tried checking the match with the antenna laying on some non-conductive support off the ground? If so, are you still getting a no load indication with your SWR meter after you fixed the radial length? Do you have your bottom hub up 17" from the base? Is your dog bone straight or does it have angle from the radiator to the gamma rod? [/QUOTE]

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