Developping with 4nec2.
The antenna caracteristics as calculated with 4nec2, the antenna can be directly fed with 50 ohm coax.
The antenna in place in Alpe Gorda at 1800 m.a.s.l. in December 2009
I worked all continents with just 100W
Each wire is 7,41m long
The feed point is at 2,5m above ground and the radials end at 1m above ground