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OB2-80s 2el extra shortened 80m monobander (SSB+CW)

OPTIBEAM OB2-80s

OB2-80s   2 Element extra shortened 80m monobander (SSB + CW)
     
Bands   80
Gain (dBd) *   3,5
Gain (dBi) **   9,9
F/B (dB)   20
VSWR (with the OptiBeam multi switch):    
SSB 1: 3,770 - 3,795 - 3,830   2,0 - 1,1 - 2,0
SSB 2: 3,720 - 3,745 - 3,790   2,0 - 1,1 - 2,0
SSB 3: 3,680 - 3,705 - 3,750   2,0 - 1,1 - 2,0
CW: 3,500 - 3,520 - 3,565   1,7 - 1,2 - 2,0
     
Elements (number)   2
Max. Elementlenght (m)   17,60
Boomlength (m)   10,00
Turning Radius (m)   10,20
Feedlines (number)   1 Coax 50 Ohm
Weight (kg)   100
Windload at 130 km/h   1.246 N / 1,55 m² / 16,8 feet²
     
Price incl. 5 KW 1:2 balun and    
multi switch system ***   4.659,00 EUR
     
Price "plain SSB version"    
incl. high quality 5 KW 1:2 balun ***   3.799,00 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