220309 Tonna 2m 9 element Yagi antenna 144 to 148 MHz
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Tonna beam-yagi antennas

220309 Tonna 2m 9 element Yagi antenna 144 to 148 MHz

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£139.96
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Product code: 220309
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£139.96
12 Months 14.9% APR
£14.00
£12.06
£158.72
£139.96
18 Months 14.9% APR
£14.00
£8.04
£158.72
£139.96
24 Months 14.9% APR
£14.00
£6.03
£158.72
£139.96
36 Months 14.9% APR
£14.00
£4.02
£158.72
£139.96
48 Months 14.9% APR
£14.00
£3.02
£158.72
£139.96
12 Months 19.5% APR
£14.00
£12.54
£164.52
£139.96
18 Months 19.5% APR
£14.00
£8.36
£164.52
£139.96
24 Months 19.5% APR
£14.00
£6.27
£164.52
£139.96
36 Months 19.5% APR
£14.00
£4.18
£164.52
£139.96
48 Months 19.5% APR
£14.00
£3.14
£164.52

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