Construction details 9-Ele.-28-Ohm 10-Ele-28-Ohm 11-Ele-28-Ohm
12-Ele.-28-Ohm 14-Ele.-28-Ohm 17-Ele.-28-Ohm 19-Ele.-28-Ohm

9-Ele.-28-Ohm-DK7ZB-Yagi 

5,00m Boom, Gain 12.5dBd

The picture shows the antenna at PD0B, for more construction details see:

www.pd0b.nl

4x9-Element stacked

by Oene, PA3CWN

 

He is working EME with the group in H-configuration.

 

2x9-Element stacked

by Peter, PA4PS

 

Stacking distance 3,50m

 

More information about the construction at his website:

PA4PS

 

Element-lengths ( Rad 12mm) in mm

  Ref Rad D 1 D 2 D 3 D 4 D 5 D 6 D 7
10mm 1019 968 940 914 899 887 882 892 881
8mm 1021 968 945 921 906 895 889 900 888
6mm 1026 968 952 928 913 902 895 908 895
4mm 1028 968

960

937 922 912

906

918

905

Element-positions

Ref Rad D 1 D 2 D 3 D 4 D 5 D 6 D 7
0mm 345mm 615mm 1175mm 1870mm 2675mm 3505mm 4345mm 4980mm

Current-profile