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Electrical data
Radiation at 144.3 MHz
Effective electrical length : 5.01 l
Isotropic gain : 17.0 dBi
Aperture angle @ -3 dB
- E-plane : 2 x 14.0°
- H-plane : 2 x 14.9°
First side lobe set
- E-plane : - 18 dB @ 36°
- H-plane : - 14 dB @ 37°
Rear protection : - 29 dB
Average stray radiation
- E-plane : - 35 dB
- H-plane : - 27 dB
Bandwidth
Gain @ -1 dB : 141 to 149 MHz
Nominal impedance : 50 W
Impedance match bandwidth @ SWR<1.3/1 : 143 to 146 MHz
Maximum RF power (peak, SSB/CW) : 1000 W
Array of 2 or 4 antennas
(optimized stacking distance, from center to
center of elements, for minimal side lobe
radiation)
- E-plane - Electrical distance : 2.15 l
- E-plane - Practical distance : 4.47 m
- H-plane - Electrical distance : 2.15 l
- H-plane - Practical distance : 4.47 m
Mechanical data
Connector : N
Overall length : 10.45 m
Mass : 18.5 kg
Effective wind load
- Horizontal polarization : 0.73 m2
Approximate wind load (25m/s - 55 mph)
- Horizontal polarization : 27.8 daN
Approximate wind load (45m/s - 100 mph)
- Horizontal polarization : 89.7 daN |
