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6 Elements Yagi

6 Elements Yagi

Postby qrz11 » 13 Feb 2011, 13:22

* TNX to 19 SD 348 *

6 ELEMENTS YAGI

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About the biggest one for the serious DXers around. With a boom length
in the order of 12 meters for sure, this is not a small gun!
On the mast as well as on the rotator a high amount of effort is asked.
For the mast you must think in the direction of construction mast
(tripod/square), the rotator must be at least an equivalent of a G1000 for
long lasting results.
But once past these obstacles a high quality DX station is born, Famous
DXers like 13OT001, 47DX101 are always on top of those pile-ups
Conclusion: a 6 elements yagi placed high is a BIG GUN!

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The first is actually to short to be called a real 6 elements monobander.
You can see this antenna as an optimized 5 elements. The additional
element in front of the Radiating element (J), is responseble for the high
FB & FS and wide SWR coverage.
This is a antennas because of that I suggest for Stacking.

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Extra Short version Boomlenght 7,3 meters Typs HPSD 6 Extra Short

Design freq = 27,55 mhz------------------A =4,74 m-----G = -2,29 m
Gain = 8,11 dBD = 10,26 dBI-------------B =4,88 m-----H = 1,53 m
F/B = 45,5 dB--------------------------------C =4,90 m-----I = 1,57 m
F/S = 24,4 dB--------------------------------D = 5,06 m-----J = 0,56 m
Beamwidht = 53,2 degrees---------------E = 5,39 m-----K = 1,37 m
Bandwidth = 1,7 mhz----------------------F = 5,46 m
Element thickness =22 mm

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Short version BOOM LENGTH 11,19 meters Type : HPSD 6 short

Design freq = 27,55 mhz------------------A = 4,61 m-----H = 2,92 m
Gain = 9,21 dBD = 11,45 dBI-------------B = 4,84 m-----I = 1,56 m
F/B = 37 dB----------------------------------C = 4,92 m-----J = 1,1 m
F/S = 17,5 dB-------------------------------D = 5,02 m-----K = -1.99 m
Beam width = 60,6 degrees---------------E = 5,22 m
Bandwidth = 1000 kHz---------------------F = 5,60 m
Element thickness = 22 mm---------------G = 3,62 m


Long version BOOM LENGTH 13 meters Type : HPSD 6 Long

Design freq = 27,55 mhz-----------------A = 4,7 m-----H = 3,38 m
Gain = 9,88 dBD = 12,02 dBI------------B = 4,76 m-----I = 2,48 m
F/B = 32,7 dB------------------------------C = 4,92 m-----J = 1,58 m
F/S = 18,11 dB-----------------------------D = 5,02 m-----K = - 2 m
Beam width = 55 degrees----------------E = 5,16 m
Bandwidth = 1000 kHz--------------------F = 5,34 m
Element thickness = 22 mm--------------G = 3,56 m



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qrz11
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