220317 Tonna 2m 17 element Radiation at 144.3 MHz

Tonna beam-yagi antennas

220317 Tonna 2m 17 element Radiation at 144.3 MHz

£0.00
(£0.00 exc. VAT)
£289.96
(£241.63 exc. VAT)
Qty:
0 Reward points
Product code: 220317
Download a pdf document for 220317 Tonna 2m 17 element Radiation at 144.3 MHz
Finance available on baskets over £250 view details

Want to be notified when this product is back in stock? Complete the form below and we'll send you an email when it is.

Finance Available

Radioworld now offer finance through our partners Close Brothers.

Add the item to your basket in the normal way and at checkout choose to make payment via Finance. You’ll then be taken through to our partners Pay4Later to make your finance application.

Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£289.96
12 Months 14.9% APR
£29.00
£24.99
£328.84
£289.96
18 Months 14.9% APR
£29.00
£16.66
£328.84
£289.96
24 Months 14.9% APR
£29.00
£12.49
£328.84
£289.96
36 Months 14.9% APR
£29.00
£8.33
£328.84
£289.96
48 Months 14.9% APR
£29.00
£6.25
£328.84
£289.96
12 Months 19.5% APR
£29.00
£25.99
£340.84
£289.96
18 Months 19.5% APR
£29.00
£17.32
£340.84
£289.96
24 Months 19.5% APR
£29.00
£12.99
£340.84
£289.96
36 Months 19.5% APR
£29.00
£8.66
£340.84
£289.96
48 Months 19.5% APR
£29.00
£6.50
£340.84

Radiation at 144.3 MHz
Effective electrical length : 5.01 l
Isotropic gain : 17.0 dBi
Aperture angle @ -3 dB
- E-plane : 2 x 14.0°
- H-plane : 2 x 14.9°
First side lobe set
- E-plane : - 18 dB @ 36°
- H-plane : - 14 dB @ 37°
Rear protection : - 29 dB
Average stray radiation
- E-plane : - 35 dB
- H-plane : - 27 dB
Bandwidth
Gain @ -1 dB : 141 to 149 MHz
Nominal impedance : 50 W
Impedance match bandwidth @ SWR<1.3/1 : 143 to 146 MHz
Maximum RF power (peak, SSB/CW) : 1000 W
Array of 2 or 4 antennas
(optimized stacking distance, from centre to
centre of elements, for minimal side lobe
radiation)
- E-plane - Electrical distance : 2.15 l
- E-plane - Practical distance : 4.47 m
- H-plane - Electrical distance : 2.15 l
- H-plane - Practical distance : 4.47 m

Mechanical data

Connector : N
Overall length : 10.45 m
Mass : 18.5 kg
Effective wind load
- Horizontal polarization : 0.73 m2
Approximate wind load (25m/s - 55 mph)
- Horizontal polarization : 27.8 daN
Approximate wind load (45m/s - 100 mph)
- Horizontal polarization : 89.7 daN