220505 Tonna 6m (50 - 51MHz) 5 el Yagi
220505 Tonna 6m (50 - 51MHz) 5 el Yagi
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220505 Tonna 6m (50 - 51MHz) 5 el Yagi

Tonna beam-HF-VHF-UHF antennas

220505 Tonna 6m (50 - 51MHz) 5 el Yagi

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£114.95
(£95.79 exc. VAT)
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Product code: 220505
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£114.95
12 Months 14.9% APR
£11.49
£9.91
£130.36
£114.95
18 Months 14.9% APR
£11.49
£6.60
£130.36
£114.95
24 Months 14.9% APR
£11.49
£4.95
£130.36
£114.95
36 Months 14.9% APR
£11.49
£3.30
£130.36
£114.95
48 Months 14.9% APR
£11.49
£2.48
£130.36
£114.95
12 Months 19.5% APR
£11.49
£10.30
£135.12
£114.95
18 Months 19.5% APR
£11.49
£6.87
£135.12
£114.95
24 Months 19.5% APR
£11.49
£5.15
£135.12
£114.95
36 Months 19.5% APR
£11.49
£3.43
£135.12
£114.95
48 Months 19.5% APR
£11.49
£2.58
£135.12

The 220505 Tonna 6m (50 - 51MHz) 5 el Yagi, Effective electrical length : 0.57 l Isotropic gain. 10.1 dBi
Aperture angle @ -3 dB
- E-plane ........... : 2 x 27.5°
- H-plane ........... : 2 x 37.5°
First side lobe set
- E-plane ........... : None
- H-plane ........... : None
Rear protection.. : - 23.8 dB
Average stray radiation
- E-plane ........... : - 30 dB
- H-plane ........... : - 18 dB
Bandwidth
Gain @ -1 dB.. 48 to 52 MHz
Nominal impedance... 50 W
Impedance match bandwidth @ SWR<1.3/1 : 49.9 to 50.5 MHz
Acceptable RF power (continous duty)...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 .. : 0.93 l
- E-plane - Practical distance ... : 5.58 m
- H-plane - Electrical distance .. : 0.75 l
- H-plane - Practical distance ... : 4.50 m

Mechanical data

Connector...: Bracket
Overall length....: 3.45 m
Mass.......4.9 kg
Effective wind load
- Horizontal polarisation.. : 0.13 m2
- Vertical polarisation...... : 0.35 m2
Approximate wind load (25m/s - 55 mph)
- Horizontal polarization.. : 4.9 daN
- Vertical polarization..... : 13.2 daN
Approximate wind load (45m/s - 100 mph)
- Horizontal polarization.. : 15.9 daN
- Vertical polarization..... : 42.8 daN

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