LA6FJA's 3 element 17 meter
20 meter AGL
in my Tower #2
Antenna is designed by K6STI's program QuickYagi 4 - QY4
| Element | Total length | Spacing | Diameter Ø mm center |
Center 1#: 1/2 Length |
Diameter Ø mm Mid | Middle 2# :1/2 length | Diameter Ø mm End |
End 3#: :1/2length |
Operating Frequency
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| Reflector | 8.18080 m | 3.31162m | 25mm | 216mm | 21mm | 130mm | 17mm | 69.49275mm |
QRG: 18.118 Mhz
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| Driver | 8.00439m | 0 | 25mm | 216mm | 21mm | 130mm | 17mm | 60.26106mm |
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| Director1 | 7.58963 | 2.48371m | 25mm | 216mm | 21mm | 130mm | 17mm | 38.50830mm |
25mm x 6 stk ; 42mm x 10 stk
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| Gain | 8.27 dbi | Gamma-Rod | Ø17mm | Gamma-Rod | 10 cm |
Gamma-rod off center Driv-El : 3 cm
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Front >Back |
54.09db | Input Impedans | >>> | 28.1 + j 0.2 | ohm (Z) | Gamma-Rod | Triming |
350 mm long Ø4-5 mm or RG213
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RG213 center-leader w/PVC
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| Boom | 5.8 meter | Long | Boom Dia | 40mm | to 75 mm | Element Brac |
>Mounting-Bracket : 45x110x4 mm
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| Material | Aluminium | Tower Brac | Antenna>Tower 100 x 250 x 4 mm |
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