For: DX portion 11 meter band
Antenna Type: 2el Quadlong
based on a original idea of DK7ZB
Modified by: HPSD version 1.01 april 2013
Boom length: 1,53 Meter
Gain: 8,46 dBI (@27,555 Mhz)
FB <20 dB
FR <18 dB
Impedance: 28 ohms
SWR below 1:1.1 > 100 Khz.
SWR below 2:1 > 550 Khz
Below the azimuth plot (8,46 dBI)
Below the elvation plot (8,46dBI)
The SWR plot:
The Quadlong is a antenna we do not see often on 27 Mhz.
But with only 1,53 meter boomlength it migth be a great antenna for those running the “portable set-up”.
Refector (s)- loop = 1,53 meter
REFLECTOR = 22mm thick and 5,46 meter long
The loop has a heigth of 3,99 meter and a width of 1,593 meter.
FEEDING THE ANTENNA:
The antenna has a impedance of 28 Ohms it can be fed with a gamma-match or hairpin match etc.
Another good options is do what DK7ZB does: