BUTTERNUT - 1011 - BUTTERFLY BEAM - 10 or 11 meters compact beam, tunable from 27 to 30 MHz
TECHNICAL SPECIFICATIONS:
Frequency coverage: 27 to 30 Mhz, tunable
Bandwidth: all of 10 meters, or 11 meters and the lower part of 10 meter within a 2:1 SWR at the edges
Number of elements: 2: 1 radiating + 1 reflector
Boom lenght: 1.2 mt.
Element lenght: 3.2 mt.
Rotation radius: 2 mt.
SWR at resonance: 1.5:1 or better
Front/Side ratio: 20 dB
Fronte/Back ratio: 15 dB+
Direct Gain: 7 dBi (5 dBd)
Polarization: Horizontal
Impedance: 50 ohm
Max. Power: 1500 Watt P.E.P SSB
Wind resistance: 128 Km/h