For:             DX portion 11 meter band
Antenna Type:    6 el  OWA-YAGI
Folded Dipole radiator
Designed by:    HPSD version 1.01 Nov 2011

 

Boom length: 9,9 Meter
Gain:10,13 dBI (@27,555 Mhz)
FB <38dB
FR <34 dB
Impedance: 50 ohms, direct fed.

 

Power handling: >20 Kw
SWR below 1:1.1     > 1000 Khz.
SWR below 2:1    > 2200 Khz

 

 

 

Above the azimuth plot.

 

 

 

Above the freespace elevation plot.

 

 

 

Above the elevation plot at 18 meters height above average ground conditions.

 

 

 

The predicted SWR plot.

 

• The antenna has a “dipole” as radiator

 

• The element diameters are: 20mm and 16 mm

 

• The 20mm part is 2,00 meters long and the 16 mm part makes up for the rest of the element.

 

 

 

 

Element	Length	Distance
Reflector	2,79 M	0 M
Radiator	5,41 M	1,36 M
Director 1	5,10 M	1,85 M
Director 2	4,94 M	3,48 M
Director 3	4,84 M	5,00 M
Director 4	4,72 M	7,27 M

 

DO NOT CHANGE ELEMENT DIMENSIONS.

 

IF YOU NEED OTHER DIAMETERS PLEASE FEEL FREE TO ASK.

Above the freespace azimuth plot for 27 Mhz.

Above the freespace azimuth plot for 28 Mhz

 

 

 

 

NOT FOR COMMERCIAL USE