|On top 3 el. mono band on 20m. Step below, 6 el. mono band on 15m.
All calculations, drawings, mechanical work and assembling was done by the members of the club. It took dramatically amount of time and initiative. At the end, result was achieved. Excellent front/back ratio, good gain.
Both beams did not interfere with each other, spacing between them was chosen correctly.
Tower is a tube form and all rotary.
Rotator is on the bottom. Solid military construction, used in radio navigation systems. (weight about 100 kg.)
It was a kind of experience to tune these beams (on working height). How many times I was there?