A 8 elements Yagi antenna optimized for 144 -144,6 MHz. Developed with 28 Ohm technology to achieve the best performance antenna in terms of gain - front/back ratio and low radiation lobes. The antenna has a balanced Dipole for the best linear radiation and a matching cable for 50 Ohm feed. The antenna is excellent for stacking to larger system for Tropo - MS and EME contacts. The elements are mounted in UV-resistant plastic holders and insulated from the boom; the dipole is also insulated from the boom to reduce interference from bad TV antenna amplifiers and intermodulation from other communication services. The dipole can be earthed in the boom if desired. The boom is of different dimensions with 2 mm wall thickness to achieve maximum strength. Cable connector is N female. All our Yagi antennas are developed for the Nordic climate and then tested for longer periods at SK7MW and SM7DTT.
Number of elements: 8
Frequency range: 144-144,6 MHz
Bandwidth: 600 KHz
Gain: 14,15 dBi (12 dBd)
Beamwidth E-plane: -3dB 37°
Beamwidth H-plane: -3dB 40°
Front/back ratio: 23 dB
VSWR: Typically 1.2:1 or better within the specified frequency range.
Polarization: Horizontal
Impedance: 50 ohms
Max. power: 800 watts
Connector: N female
DC shortened Dipole
Stacking distance: E-plane 3,32 m
Stacking distance: H-plane 3,03 m
Antenna material: Aluminum
Bracket material: Aluminum
For mast tube: Ø 30-60 mm
Wind power without ice: 45 m/s
Wind area: About 0,2 m²
Total length: 4,5 meters
Net weight: 3,7 kg
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