I built an array of 8- 8 element yagis fed in pairs by a skeleton slot element.
It had a 300 ohms feedpoint with 1/2 wavelength vertical members.
Very broadband feed, giving low SWR from 144-146Mhz.
That was in the mid-60s.
Not much stacking gain, but very clean pattern.
Here is the design:
http://dg7ybn.de/144MHz/144_YU0B_Beam.htm
