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-Ohm (1,50m)  5-Ele.-28-Ohm (1,80m) 5-Ele.-28-Ohm (2,00m) 6-El.-28-Ohm (2,40m)
6-El.-28-Ohm (2,60m) 7-Ele.-28-Ohm (3,00m) 7-Ele.-28-Ohm (3,30m) 8-Ele.-28-Ohm (4,35m)

4-El.-28-Ohm-Yagi (1,00m+1,18m-Boom) 

4x4-El.-Yagi (1,18m-Boom)

built by Georg,

DK5QN

Version A with 1m-Boom (Version B see down)

Boom 1,00m   

Gain 7,5dBd     

F/B 12dB

Elementlengths, parasitic elements 10mm, radiator 12mm

Reflector (10mm) Radiator (12mm) Director 1 (10mm) Director 2 (10mm)
1020mm 980mm 935mm 916mm

Elementpositions

Reflector Radiator Director 1 Director 2
0 230 560 980

Details of the radiator and the element-mounting

Version B with 1,18m-Boom

Gain 7,7dB       F/B  >18dB
Diameter Reflector  Radiator (10mm) Director 1  Director 2 
4mm 1038mm 962mm 943mm 921mm
6mm 1040mm 963mm 933mm 912mm
8mm 1040mm 964mm 926mm 904mm
10mm 1039mm 964mm 919mm 897mm

Elementpositions

Reflector Radiator Director 1 Director 2
0 265mm 675mm 1160mm