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The ultimate king size Yagi on 80, 40 and 20m, three
perfect top monobanders on one single boom
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Bands
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80 /
40 / 20
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Gain
(dbd)*
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3,8 / 4,8 / 8,4
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Gain
(dbi)**
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10,2 / 11,3 / 15,6
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F/B (db)
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18 / 25 / 27
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| SWR |
| 80m SSB: |
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3,770 - 3,788 - 3,830 |
| 80m CW (via
Relais Switch): |
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3,500 - 3,515 - 3,570 |
| 40 m
CW/Europa Setting: |
| 7,00 - 7,06 - 7,20 |
| 40 m USA phone
Setting: |
| 7,15 - 7,21 -
7,30 |
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14,000 - 14,195 - 14,350 |
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2,0 - 1,15 - 2,0 |
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| 1,7 - 1,15 - 2,0 |
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1,7 - 1,15 - 2,0 |
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1,7 - 1,15 - 1,7 |
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1,4 - 1,1 - 1,3 |
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Elements
(number)
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2 / 3 / 5
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Max. Elementlength (m)
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23,00
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Boomlength (m)
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16,60
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Active boom length (m)
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12,40 / 12,30 / 15,00
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Turning Radius (m)
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13,90
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Feedlines (number)
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3 Coax 50 Ohm
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Weight (kg)
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180
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Windload at 130km/h
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3.232 N / 4,05 m² / 43,74 feet²
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| *
=
average gain over dipol in free-space
/ for comparison: 2 el monobander 4
dbd, 3 el 5-6 dbd
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| ** = average gain at 20m above ground (= dbd + 2.15 db isotropic + about 5 db ground
reflection)
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| ***
=
outside EU minus 19% tax - subject to
change |
found at: http://optibeam.de
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