You don't like my name in your sig no more?
Why does the gain drop to 3.28db and the angle rise to 13 degrees when it shows the second total field model?A Sigma4 model as specified in the Antenna Specialist manual. The only tweak in this model was done to the tip element to show the antenna resonant at 27.185, which set the antenna length at 28' 8" according to Eznec.
View attachment 4647