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

11-Ele.-28-Ohm-DK7ZB-Yagi (7,10m Boom)

Yagi built by Toralf, DJ8MS

Cesar, EA4IS/p

in Contest-Operation

4x11-El.-Yagi-group for EME, built by  Kurt, DK5SO

Gain 13,7dBd   F/R >28dB

3dB-angles: 30,4 hor    32,4 ver

 

Stacking distance vertical: 3,85m

Stacking distance horizontal: 4,00m

 

Element-lengths ( Rad 12mm)

The given length of the radiator element is from tip to tip, including 10mm spacing for the insulated part.

  Ref Rad D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 8 D9
10mm 1010mm 982mm 941mm 910mm 882mm 874mm 863mm 854mm 854mm 862mm 855mm
8mm 1014mm 983mm 948mm 918mm 901mm 883mm 872mm 863mm 863mm 871mm 864mm
6mm 1016mm 983mm 955mm 925mm 911mm 892mm 882mm 873mm 873mm 881mm 874mm
4mm 1018mm 981mm 961mm 933mm 922mm 900mm 892mm 885mm 885mm 889mm 884mm

Element-positions

Ref Rad D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 8 D 9
0mm 350mm 625mm 1255mm 1960mm 2795mm 3680mm 4575mm 5470mm 6365mm 7075mm

Azimuth- and Elevation-Plot at 144,3MHz