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5 Elements Yagi

5 Elements Yagi

Postby qrz11 » 13 Feb 2011, 13:21

* TNX to 19 SD 348 *

5 ELEMENTS YAGI

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The DXing machine..all will be heard. And you will be among the top
branch of the DXers on the frequencie.
These antenna types are worth the effort, the expensive rotator will pay
for every penny you have spent. I myself worked 100 DXCC in half a
year during the sunspot minimum (2005 sep-2006 feb) with an antenna
like this. Rob who has a 5el ITB version has now 298 DXCC great job!

They come in a great variatie on the market short versions...long
versions etc..
As said earlier when you want a significant change with your antenna
system this will come down to almost dubbling the boomlenght.
With a boomlenght around 7 to 8 meters a 5 elements yagi is about the
biggest antenna availible withouth having to worrie to much about the
mechanical problems.

Short version BOOMLENGHT 5,86 m Type : HPSD 5 short

Design frequentie-----------------A = 4,66 m-----G = 1,38m
Gain = 7,16 dBD-------------------B = 4,74 m-----H = 0,97m
F/B = 32,11 dB---------------------C = 5,14 m-----I = -1,68m
Beamwidth = 81,6 deg-----------D = 5,28 m
Bandwidth = 500 Khz-------------E = 5,56 m
Element thickness = 22 mm-----F = 1,83 m

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Long version BOOMLENGTH 7,32 M Type : HPSD 5 normal

Design frequentie 27,55 mhz-------------A = 4,72 m-----I = -1,38 m
Gain = 8,13 dBD-----------------------------B = 4,94 m-----H = 0,9 m
F/B = 43 dB----------------------------------C = 5,02 m-----G = 2,29 m
Beamwidth = 70 degrees-----------------D = 5,28 m------F= 2,74 m
Bandwidth = >1,5 Mhz--------------------E = 5,48 m

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Long John version BOOMLENGHT 9 meter Type HPSD 5 Long John

Design frequentie 27,55 mhz------------A = 4,66 m-----I = -1,75 m
Gain = 8,65 dBD--------------------------B = 4,95 m-----H = 1,4 m
F/B = 27 dB-------------------------------C = 505,4 m-----G = 2,9 m
Beamwidth = 65,6 degrees--------------D = 5,32 m-----F = 2,95 m
Bandwidth = > 1 Mhz---------------------E = 5,50 m
element thickness - 22 mm



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