4,20 M 3el Cubical Quad

For:             DX portion 11 meter band
Antenna Type:    3el  Cubical Quad

Designed by:    HPSD version 1.01 jan 2008
Boom length:     4,2 Meter
Gain:         9,37 dBI (@27,555 Mhz)
FB            <24 dB
FR            <19 dB
Impedance:         50 ohms, direct fed
SWR below 1:1.1     > 1o0 Khz.
SWR below 2:1    > 600 Khz

 

 

 Element Diameter

Iis 1,8 MM, this is “bare” copper wire. WITHOUT THE ISOLATION.

This wire is also known as 2,5mm2 (the black wire used in house electrical wiring)

DO NOT USE OTHER DIAMETERS

 Element distances:

Reflector to radiator = 2,1 Meter

Reflector to director 1 = 4,2 Meter

Element length:

(per side so total length x 4)

Reflector = 2,88 Meter

Radiator = 2,786 Meter

Director =  2,706 Meter

 

FEEDING THE ANTENNA:

The antenna has a 50 ohm impedance. It can be direct fed. (1-1 balun is preffered).

 

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