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  1. TONNA 220309 2m 9 element Yagi antenna 144 to 148 MHz
    [220309]

    Our Price:  139.95

    TONNA 220309 Pro-XL 144 / 18 9 elements Yagi antenna 144 to 148 MHz Part Nr. 220309    
    Electrical data      
    Radiation at 144.3 MHz  
    Effective electrical length............................ : 1.81 l
    Isotropic gain............................................ : 13.2 dBi
    Aperture angle @ -3 dB  
    - E-plane ........... : 2 x 20.6°
    - H-plane ........... : 2 x 23.2°
    First side lobe set  
    - E-plane ........... : - 20 dB @ 55°
    - H-plane ........... : - 14 dB @ 60°
    Rear protection......................................... : - 21 dB
    Average stray radiation  
    - E-plane ........... : - 30 dB
    - H-plane ........... : - 24 dB
    Bandwidth  
    Gain @ -1 dB........................................... : 141 to 149 MHz
    Nominal impedance.................................. : 50 W
    Impedance match bandwidth @ SWR<1.3/1 : 143 to 148 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 .. : 1.49 l
    - E-plane - Practical distance ... : 3.10 m
    - H-plane - Electrical distance .. : 1.41 l
    - H-plane - Practical distance ... : 2.93 m
       
    Mechanical data  
       
    Connector................................................ : N
    Overall length............................................ : 3.85 m
    Mass....................................................... : 3.5 kg
    Effective wind load  
    - Horizontal polarisation.. : 0.12 m2
    - Vertical polarisation...... : 0.24 m2
    Approximate wind load (25m/s - 55 mph)  
    - Horizontal polarization.. : 4.6 daN
    - Vertical polarization..... : 9.2 daN
    Approximate wind load (45m/s - 100 mph)  
    - Horizontal polarization.. : 14.8 daN
    - Vertical polarization..... : 29.6 daN 
        
    Technical data     
                 
    Antenna 220309 Pro - XL antennas   

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