F9FT AFT-20329, 27 elementos 430-440 Mhz, ProXL 43

F9FT AFT-20329 27 elementos 430-440 Mhz ProXL 435/71 L

• Effective electrical length: 7.13 
  
• Isotropic gain: 18.3 dBi
  
• Aperture angle @ -3 dB: - E-plane: 2 x 9.3°  - H-plane: 2 x 11.6°
  
• First side lobe set: - E-plane: - 11.0 dB @ 25° - H-plane: - 12.0 dB @ 25°
  
• Rear protection: - 18.9 dB
  
• Average stray radiation: - E-plane: - 36 dB  - H-plane: - 28 dB
  
• Bandwidth:  Gain @ -1 dB: 426 to 444 MHz
  
• Nominal impedance: 50 Ohm
  
• Impedance match bandwidth @ SWR<1.3/1: 427 to 445 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: 2.5 l
  - E-plane:  - Practical distance: 1.73 m
  - H-plane:  - Electrical distance: 2.5 l
  - H-plane:  - Practical distance: 1.73 m
  
• Connector: N
  
• Overall length: 4.92 m
  
• Mass: 6.2 kg
  
• Effective wind load: - Horizontal polarisation: 0.21 m2 - Vertical polarisation: 0.39 m2
  
• Approximate wind load (25m/s - 55 mph): 
  - Horizontal polarization: 7.1 daN
  - Vertical polarization: 14.2 daN
  
• Approximate wind load (45m/s - 100 mph):
  - Horizontal polarization: 23.4 daN
  - Vertical polarization: 45.7 daN