I trust that you are aware that the GROUND REFLECTION
accounts for 5+ dB of those gain figures. The typical
free space gain of a 2L Yagi is 6.5 - 7.0 dBi or 4.3 - 4.8 dBd.
It requires 6 or more elements on an appropriately long
boom (1.5 WL) to realize >10 dBd of free space gain.
de Tom N4KG
On Thu, 13 Aug 1998 01:06:19 -0500 k5zty@juno.com writes:
> I recently put up a Force 12 C3S tribander with 17 & 12 using a
>tuner,
>and have been very happy with it,
>12ft boom 18.9'T.R., 26#, 5sq ft WL.
>10.3dBd on 20, 10.5dBd on 15 and 10.2dBd on 10 (1mhz 2:1 BW)
>Pretty good for a tight space.
>Don't have an ice problem in Houston, just a heat problem.
>
>Bill, K5ZTY
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