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4 Elements Quad

4 Elements Quad

Postby qrz11 » 13 Feb 2011, 13:29

* TNX to 19 SD 348 *

4 ELEMENTS QUAD

Image

Rotator : G800 or equivelent

Short version BOOMLENGTH 5,7 M Type : HPSD 4 Q

Design frequentie = 27,55 Mhz------A = 10,44 m-----G = - 1,55 m
Gain = 7,9 dBD--------------------------B = 10,96 m
F/B = 25 dB------------------------------C = 11,1 m
Beamwith = 66 deg--------------------D = 11,52 m
Bandwith = 600 Khz-------------------E = 2,27 m
Wire thickness = AWG 12-------------F = 1,87 m

Image

Above mentioned you can see the schematic diagram (not drawn to
scale) and the antenna his radiation pattern in the azimuth plane.


Long version BOOMLENGTH 6,90 m

Design frequentie 27,55 mhz---------A = 10,48m-----G =1,45 m
Gain = 8,5 dBD---------------------------B = 10,96 m
F/B = 24,4 dB----------------------------C = 11,12 m
Bandwith = 400 Khz--------------------D = 11,44 m
Beamwith = 61,7 degrees-------------E = 2,60 m
Wire thickness = AWG 12--------------F = 2,85 m


The pattern from the one mentioned above:

Image
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qrz11
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