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- 220311 Tonna 2m 11 element Radiation at 144.3 MHz
220311 Tonna 2m 11 element Radiation at 144.3 MHz
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Item Cost | Finance Option | Deposit | Monthly Payments | Total Cost |
---|---|---|---|---|
£174.95
|
12 Months 14.9% APR
|
£17.49
|
£15.08
|
£198.41
|
£174.95
|
18 Months 14.9% APR
|
£17.49
|
£10.05
|
£198.41
|
£174.95
|
24 Months 14.9% APR
|
£17.49
|
£7.54
|
£198.41
|
£174.95
|
36 Months 14.9% APR
|
£17.49
|
£5.03
|
£198.41
|
£174.95
|
48 Months 14.9% APR
|
£17.49
|
£3.77
|
£198.41
|
£174.95
|
12 Months 19.5% APR
|
£17.49
|
£15.68
|
£205.65
|
£174.95
|
18 Months 19.5% APR
|
£17.49
|
£10.45
|
£205.65
|
£174.95
|
24 Months 19.5% APR
|
£17.49
|
£7.84
|
£205.65
|
£174.95
|
36 Months 19.5% APR
|
£17.49
|
£5.23
|
£205.65
|
£174.95
|
48 Months 19.5% APR
|
£17.49
|
£3.92
|
£205.65
|
220311 Tonna 2m 11 element professional class 1kW 14.2dBi
electrical data
Radiation at 144.3 MHz
Effective electrical length : 2.33 l
Isotropic gain : 14.2 dBi
Aperture angle @ -3 dB
- E-plane : 2 x 18.4°
- H-plane : 2 x 19.4°
First side lobe set
- E-plane : - 18 dB @ 50°
- H-plane : - 12 dB @ 50°
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 147 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 : 1.70 l
- E-plane - Practical distance : 3.53 m
- H-plane - Electrical distance : 1.59 l
- H-plane - Practical distance : 3.32 m
Mechanical data
Connector : N
Overall length : 4.89 m
Mass : 5 kg
Effective wind load
- Horizontal polarisation : 0.24 m2
- Vertical polarisation : 0.27 m2
Approximate wind load (25m/s - 55 mph)
- Horizontal polarization : 9.2 daN
- Vertical polarization : 10.3 daN
Approximate wind load (45m/s - 100 mph)
- Horizontal polarization : 29.6 daN
- Vertical polarization : 33.3 daN