Several people have asked about the Bencher Skyhawk. Here are the specs:
SKYHAWK 3X10 (3 bands and 10 elements)
Boom Length 23 feet
Wind load 8.5 sq ft
Turning radius is 22 feet
Weight is 60 lbs (Will be closer to 50 pounds in production)
90 mph survival
20 meters-
effective boom length = 22 feet
VSWR is better than 1.4 from 14.000 to 14.350 MHz
front to back is better than 20 dB across entire band
F/B peaks at 14.150 MHz @21 dB
Gain is better than 7 dBi across band . free space measurement
Gain is 7.15 at 14.000 and 7.4 at 14.350 MHz
15 meters-
effective boom length = 15' 6"
VSWR is better than 1.5 from 21.000 to 21.450
front to back is better than 16 dB across entire band
F/B peaks at 21.350 MHz at 24.5 dB
Gain is better than 7 dBi across band
Gain is 7 at 21.000 and 7.6 at 21.450 MHz
10 meters-
effective boom length = 16' 9"
VSWR is better than 1.5 from 28.000 to 28.900
front to back is better than 14 dB across band
F/B peaks at 28.500 MHz at 15 dB
Gain is better than 7.7 dBi across band
Gain is 7.7 at 28.0 and 9.3 at 29.0
Note that the antenna also offers limited performance
on 17 and 12 meters, with 3:1 and 2.5:1 SWR respectively
Price, including 5KW Balun $995
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