The 80m vertical antenna. It was made from 3x 3m long 50mm tubes, 1x 6m 25mm tube and a wire extension to the tower.
4 groundwires where used
Before the contest simulated with nec2. It tuned exacly to 80m with 36ohm impedance.
Sunday we converted the vertical from 80m to the 40m band.   (8/11)