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  1. TONNA 220822 2m (144 - 146MHz) 2x11 Crossed Yagi
    [220822]

    Our Price:  168.95

    Radiation at 144.5 MHz 
    Effective electrical length : 2.20 l
    Isotropic gain. : 14.0 dBi
    Aperture angle @ -3 dB 
    - E-plane  : 2 x 18.3°
    - H-plane  : 2 x 20.3°
    First side lobe set 
    - E-plane  : - 18 dB @ 50°
    - H-plane  : - 12.5 dB @ 50°
    Rear protection  : - 18.5 dB
    Average stray radiation 
    - E-plane  : - 36 dB
    - H-plane  : - 24 dB
    Bandwidth 
    Gain @ -1 dB  : 140 to 148 MHz
    Nominal impedance  : 50 W
    Impedance match bandwidth @ SWR<1.3/1 : 139.5 to 146.7 MHz
    Acceptable RF power (continous duty  : 1000 W
    Required phase delay between frontmost 
    and rearmost driven element  : 59°
    Array of 2 or 4 antennas 
    (optimized stacking distance, from center to 
    center of elements, for minimal side lobe 
    radiation) 
    Electrical distance  : 1.46 l
    Practical distance  : 3.05 m
     
    Mechanical data 
     
    Connector  : N
    Overall length  : 4.62 m
    Mass : 4.2 kg
    Effective wind load : 0.2 m2
    Approximate wind load (25m/s - 55 mph)  : 7.6 daN
    Approximate wind load (45m/s - 100 mph)  : 24.5 daN
     

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