Scott Gordon wrote:
Any one have any detailed plans on 40 Meter Half Square antenna? I
calculated 33.33 feet on verticals and 68.33 on horizontal. I was thinking
of feeding it at the corner, I think it will be close to 50 ohms. Now
center should go to the vertical and shield to horizontal....Another
question is the far end vertical is it connected or seperated from the
horizontal connection?

It's not an exact science and you will have to trim for resonance
on your favorite frequency. Those are OK starting measurements.
The far end vertical wire is connected to the horizontal wire and
is usually just a continuation of the same wire with a 90 degree
bend. This is basically a phased array of two 1/4WL vertical
sections separated by 1/2WL and fed at a top corner or fed at
a bottom high impedance point through a base matching network.
--
73, Cecil http://www.qsl.net/w5dxp


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