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Look at the diagram on page 20. The narrow spacing of .125wl actually has the Higher gain.
I may be missing something but to me, the wider spacing is more ease of impedance matching. The .200 to .25 wl spacing the impedance gets nearer to 50 ohms.
This said 6.5ft spacing is too wide for 11m for max gain.
CK/DB help me out, my calculation has peak gain with >5ft spacing. (?)
All the Best
Gary

[QUOTE="BJ radionut, post: 682159, member: 7026"] Look at the diagram on page 20. The narrow spacing of .125wl actually has the Higher gain. I may be missing something but to me, the wider spacing is more ease of impedance matching. The .200 to .25 wl spacing the impedance gets nearer to 50 ohms. This said 6.5ft spacing is too wide for 11m for max gain. CK/DB help me out, my calculation has peak gain with >5ft spacing. (?) All the Best Gary [/QUOTE]

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