Details for all Yagis 1-El.-50Ohm 2-El.-28Ohm 3-El.-28+50Ohm
4-El.-50Ohm (0,76m) 4-El.-28Ohm (0,76m) 4-El.-28Ohm (0,82m) 4-Ele.-28-Ohm (1,00m)
5-Ele.-28+50-Ohm (1,50m)  5-Ele.-28-Ohm (1,80m) 5-(6)-Ele.-28-(50)-Ohm (2,00m) 6-El.-28-Ohm (2,40m)
6-El.-28-Ohm (2,60m) 7-Ele.-28+50Ohm (3,00m) 7-Ele.-28-Ohm (3,30m) 8-Ele.-28-Ohm (4,35m)

6-Element-Yagi 28 Ohm (Broadband)

2,60m-Boom       10,15dBd  Gain       F/B >20dB at 144,3MHz

Stacking distance 2,70m, for H-configuration use 2,75 m hor and 2,65 m ver

The Yagi-Group built by Enrico, IK0IXO

He has made the first EME-contacts with only 200 W and seems to be very satisfied......

4x6-El.-Yagi stacked

Antennas built by Zoltan,

HA1CA/Z38C

see Link to more informations

Elementpositions:

Refl Rad Dir 1 Dir 2 Dir 3 Dir 4
0 320 mm 675 mm 1300 mm 2020 mm 2580 mm

Elementlengths, Radiator always 10mm diameter! 

Diameter Refl Rad (10mm) Dir 1 Dir 2 Dir 3 Dir 4
10 mm 1019 mm 968 mm 919 mm 898 mm 898 mm 888 mm
8 mm 1020 mm 968 mm 927 mm 906 mm 906 mm 896 mm
6 mm 1022 mm 968 mm 936 mm 916 mm 916 mm 906 mm
4 mm 1024 mm 968 mm 950 mm 926 mm 926 mm 916 mm

Patterns for 144,3MHz, above 145MHz increase the back lobes and the antenna has 0,1dB more gain