I5MZY Antenna design: 5 el. 50MHz, actualy on my floor graf of results: detailes

 

H pattren

 

V pattren

 

G F/B Z swr

E1 Position mm Taper#1 Ø15mm Taper#2 Ø12mm
Ref. 0.00 500 980
DE 1150 500 905
D1 2400 500 880
D2 3500 500 823
D3 4700 500 870
Data for half element length and 30mm square boom and non isoladet element mount over boom. Dipole is gamma match.