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Bob, I did a vertical sleeved dipole below to check the tune and how broad band it was vs a simple dipole and found the CFSD had a <2.00:1 bandwidth of 2 mhz vs 1.6 mhz over a simple dipole...so Eznec shows what Barkley was looking for, an increase in bandwidth, with little change in the match. This is why I though Barkley's idea was about matching.

The model produced a minimal change in the resonant match, and a little loss in gain too.

[QUOTE="Marconi, post: 498831, member: 903"] Bob, I did a vertical sleeved dipole below to check the tune and how broad band it was vs a simple dipole and found the CFSD had a <2.00:1 bandwidth of 2 mhz vs 1.6 mhz over a simple dipole...so Eznec shows what Barkley was looking for, an increase in bandwidth, with little change in the match. This is why I though Barkley's idea was about matching. The model produced a minimal change in the resonant match, and a little loss in gain too. [/QUOTE]

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