BIG SIGNAL have the latest generation in design and development of Quad antennas for 14 MHz / 20 m.
Why choose the 4BS-20 antenna versus a traditional Yagui?
· Elements of full wavelength, reaching maximum efficiency in TX / RX.
· Optimized design with last generation software.
· More gain in less boom length than a traditional Yagi.
· Very low noise, which will allow you to improve the reception of low signals in urban environments.
· Extraordinary F/R and F/B.
· Very low radiation angle even at low height, essential for working DX.
· Comparable performance with a 6 element full-size Yagi antenna.
· Heavy-Duty construction with high quality materials for extreme durability.
Being in the TOP of the most powerful stations in the 20 meter band means being the owner of our BIG SIGNAL 4BS-20 antenna.
¡BIG SIGNAL - Make the difference!
· Band:14 MHz. · Active elements: 4. · Gain: 10,38 dBi. · F/B: 25,54 dB. ·Polarization: Horizontal. · SWR: 1,1:1 ~ 1,5:1. · Impedance: 50 Ohm. · Power rating: 5.000 W. · Boom length: 10,70 m. / 35,10 ft · Turning radius: 6,56 m. / 21,522 ft ·Total height: 5,25 m. / 17,224 ft · Weight: 35 Kg. / 77,161 lb ·Wind survival: > 160 Km/h. / 100 mph
· Boom to Mast: 250 x 150 x 10 mm ·Boom size: 50 x 2 mm / 2,00 in ·Spiders: Angled design of 30 x 5 mm and stabilizing element to the boom of 4 mm. ·Hardware: Stainless Steel, W4 grade. ·Spreaders Arms: Fiberglass especially molded and designed to our needs, half-round for a perfect adaptation to the surface of our crossbar, reinforced fiber cloth and protective layer for the sun. · Cable: BIG SIGNAL - Wire. Special copper cable with polyethylene (PE) sheath for excellent weather protection and mechanical resistance. ·Feeding: Direct to 50 Ohm.
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BIG SIGNAL 4BS-20 (ZL1ACE from EA5CTE's QTH)
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