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OBDYA9-4 9 Element Driven Yagi Array 17-15-12-10m

OBDYA9-4
OBDYA9-4   9 Element Driven Yagi Array 17-15-12-10m
     
Bands   17 / 15 / 12 / 10
Gain (dBd) *   4,90 / 5,02 / 5,20 / 5,25
Gain (dBi) **   12,4 / 12,67 / 12,95 / 13,04
     
Practical performance
(due to active radiation area)
  better than 3el monoband Yagi on all bands
     
F/B (dB)   29 / 27 / 25 / 28
SWR   All band ranges < 1.3
     
Elements (number)   9
Active elements   between 70 and 100% of the entire antenna area operative
     
Max. elementlength (m)   8,54
Boomlength (m)   5,10
Turning radius (m)   4,88
Feed lines (number)   1 Coax 50 Ohm
Weight (kg)   28
Windload at 130 km/h   840 N / 1,05 m2 / 11,29 feet2
     
Price ***   1.159,00 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