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Tonna beam-yagi antennas
220817 Tonna 2m (144 - 146MHz) 17 el Yagi
220817 Tonna 2m (144 - 146MHz) 17 el Yagi
Tonna beam-yagi antennas
220817 Tonna 2m (144 - 146MHz) 17 el Yagi
£144.95 (£120.79 exc. VAT)
Download a PDF document for 220817 Tonna 2m (144 - 146MHz) 17 el Yagi
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Product code:220817
Brand:Tonna beam-yagi antennas

This Tonna F9FT 20817 is a 17 element yagi antenna which covers between 144-146MHz (2 meters), this yagi has a power rating of 1kW PEP.

Effective electrical length: 3.14 l
Isotropic gain: 15.3 dBi

Aperture angle @ -3 dB:
- E-plane: 2 x 16.5°
- H-plane: 2 x 17.9°

First side lobe set:
- E-plane: - 17.7 dB @ 43°
- H-plane: - 13.1 dB @ 44°

Rear protection: - 36.9 dB

Average stray radiation:
- E-plane: - 37 dB
- H-plane: - 27 dB

Bandwidth:
Gain @ -1 dB: 138 to 148 MHz
Nominal impedance: 50 W
Impedance match bandwidth @ SWR<1.3/1 : 143.4 to 146.2 MHz
Maximum RF power (peak, SSB/CW): 1000 W

Array of 2 or 4 antennas:
- E-plane - Electrical distance: 1.85 l
- E-plane - Practical distance: 3.85 m
- H-plane - Electrical distance: 1.80 l
- H-plane - Practical distance: 3.74 m

Mechanical data:

Connector: N-type
Overall length: 6.57 m
Mass: 6.5 kg

Effective wind load:
- Horizontal polarisation: 0.29 m2
- Vertical polarisation: 0.25 m2

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