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OB17-4 17 Element 4 Band

 !!! the best fourband-Yagi in the world: 4 big monobanders on 1 boom, no traps !!!

  •  3el on 40m   /   4el on 20m   /   4el wide spaced on 15m   /   6el on 10m

OPTIBEAM   OB17-4 17 Element 4 Band

OB17-4   17 Element, 4 Band
     
Bands   40 / 20 / 15 / 10
Gain (dBd) *   4,8 / 7,3 / 7,8 / 8,0
Gain (dBi) **   11,7 / 14,9 / 15,5 / 15,8
F/B (dB)   25 / 20 / 22 / 24
VSWR    
40 m allgemeines setting:    
7,00 - 7,05 - 7,15   1,7 - 1,1 - 1,9
40 m USA phone setting:    
7,15 - 7,20 - 7,30   1,7 - 1,1 - 1,8
14,00 - 14,18 - 14,35   1,4 - 1,1 - 1,3
21,00 - 21,27 - 21,45   1,5 - 1,1 - 1,5
28,00 - 28,59 - 29,00   1,5 - 1,1 - 1,4
     
Elements (number)   17
Active Elements   3 / 4 / 4 / 6
Max. Elementlength (m)   14.6
Boomlength (m)   11.9
Turning Radius (m)   9.15
Feedlines (number)   1 Coax 50 Ohm
Weight (kg)   100
Windload at 130 km/h   1.989 N / 2,48 m² / 26,8 feet²
     
Price ***   3.869,00 EUR
* = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd
** = average gain at 20m above ground (= dBd + 2.15 dB isotropic + about 5 dB ground reflection)
*** = outside EU minus 19% tax - subject to change