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Of the combinations of gamma tube & rod i have tried the shortest tube with longer rod gives the best match on the 3/8 version,

That does not mean its using less capacitance as i don't know the overlaps,

It means im using a thinner gamma that's more rod than tube where the 1/4wave cone tunes no problem with the stock gamma tube & a short rod,

The Vortex also looks to use a longer rod with a proportionally shorter tube,

The Vortex gamma comes preset & sealed.

[QUOTE="bob85, post: 753894, member: 18"] Of the combinations of gamma tube & rod i have tried the shortest tube with longer rod gives the best match on the 3/8 version, That does not mean its using less capacitance as i don't know the overlaps, It means im using a thinner gamma that's more rod than tube where the 1/4wave cone tunes no problem with the stock gamma tube & a short rod, The Vortex also looks to use a longer rod with a proportionally shorter tube, The Vortex gamma comes preset & sealed. [/QUOTE]

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