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BIG SIGNAL 4BS-6
4-Element Cubical Quad for High-Performance DX on 50 MHz
The BIG SIGNAL 4BS-6 is a monoband 4-element full-wave Cubical Quad, specifically developed for operators looking for gain, directivity, and an excellent signal-to-noise ratio on the 50 MHz band.
Six meters is a band where openings can completely transform propagation conditions in a matter of minutes. The 4BS-6 is designed to take full advantage of those openings, providing a directional antenna system especially suited for DX, SSB, CW, FT8, and weak-signal operation.
Band: 50 MHz / 6-Meter Band
Type: Directional monoband Cubical Quad
Elements: 4 full-wave elements
Polarization: Horizontal
Designed for: DX / SSB / CW / FT8 / Weak-Signal Operation
Key Features: Gain / Directivity / Low-Noise Reception
Construction: Designed for permanent outdoor installation
Type: Directional monoband Cubical Quad
Elements: 4 full-wave elements
Polarization: Horizontal
Designed for: DX / SSB / CW / FT8 / Weak-Signal Operation
Key Features: Gain / Directivity / Low-Noise Reception
Construction: Designed for permanent outdoor installation
Key Features
• Four Full-Wave Elements
The 4BS-6 uses full-wave closed-loop elements instead of the open half-wave elements commonly found in Yagi antennas. This takes advantage of the characteristics of the Cubical Quad design to deliver efficient, highly directional performance on 50 MHz.
The 4BS-6 uses full-wave closed-loop elements instead of the open half-wave elements commonly found in Yagi antennas. This takes advantage of the characteristics of the Cubical Quad design to deliver efficient, highly directional performance on 50 MHz.
• Engineered for Serious DX
Its four-element design combines gain and directivity in an antenna specifically optimized to take advantage of propagation openings and work DX stations when signals are right at the edge.
Its four-element design combines gain and directivity in an antenna specifically optimized to take advantage of propagation openings and work DX stations when signals are right at the edge.
• High Performance in a Compact Footprint
The Cubical Quad geometry provides an excellent balance between gain and boom length, making the 4BS-6 an especially attractive alternative to conventional directional antennas requiring considerably larger structures.
The Cubical Quad geometry provides an excellent balance between gain and boom length, making the 4BS-6 an especially attractive alternative to conventional directional antennas requiring considerably larger structures.
• Closed-Loop Design for Cleaner Reception
The closed-loop geometry of its elements can provide a favorable signal-to-noise ratio against certain types of electrical noise, an especially valuable characteristic when working weak signals from urban or electrically noisy environments.
The closed-loop geometry of its elements can provide a favorable signal-to-noise ratio against certain types of electrical noise, an especially valuable characteristic when working weak signals from urban or electrically noisy environments.
• Directivity and Rejection of Unwanted Signals
Its directional radiation pattern concentrates transmitted and received energy toward the desired direction, while a strong front-to-back ratio helps reduce signals and interference arriving from unwanted directions.
Its directional radiation pattern concentrates transmitted and received energy toward the desired direction, while a strong front-to-back ratio helps reduce signals and interference arriving from unwanted directions.
• Ready for 6-Meter Openings
When 50 MHz opens up, every dB can make a difference. The combination of gain, directivity, and a strong signal-to-noise ratio makes the 4BS-6 an excellent tool for chasing DX and adding new entities to your log.
When 50 MHz opens up, every dB can make a difference. The combination of gain, directivity, and a strong signal-to-noise ratio makes the 4BS-6 an excellent tool for chasing DX and adding new entities to your log.
• Rugged Construction for Outdoor Installation
Designed for permanent stations and manufactured using materials selected to provide rigidity, mechanical strength, and long-term durability under the conditions normally encountered in permanent outdoor installations.
Designed for permanent stations and manufactured using materials selected to provide rigidity, mechanical strength, and long-term durability under the conditions normally encountered in permanent outdoor installations.
Advantages of the BIG SIGNAL 4BS-6
• 4 full-wave elements optimized for 50 MHz.
• Specifically designed for DX and weak-signal operation.
• Excellent balance of gain, directivity, and overall dimensions.
• Closed-loop design with an excellent signal-to-noise ratio.
• Strong front-to-back ratio to help reject unwanted signals.
• Especially well suited for SSB, CW, FT8, and DX.
• Rugged construction designed for permanent outdoor installations.
When the Magic Band Opens, Be Ready.
BIG SIGNAL 4BS-6 – four full-wave elements engineered to deliver gain, directivity, and clean reception on one of the most exciting bands for DX.
Technical Specifications
Band: 50 MHz / 6-Meter Band
Elements: 4
Gain: 10.45 dBi (Free Space)
F/B Ratio: 21.07 dB
SWR: 1.1:1 – 1.5:1
Impedance: 50 Ω
Maximum Power: 5,000 W PEP
Boom Length: 3.42 m / 11.22 ft
Turning Radius: 1.815 m / 5.95 ft
Total Height: 2.13 m / 6.99 ft
Weight: 4 kg / 8.82 lb
Wind Survival: > 150 km/h / 93 mph
Wind Load: 0.303 m² / 3.26 ft² | 237.69 N / 53.43 lbf | @ 120 km/h / 74.6 mph
Elements: 4
Gain: 10.45 dBi (Free Space)
F/B Ratio: 21.07 dB
SWR: 1.1:1 – 1.5:1
Impedance: 50 Ω
Maximum Power: 5,000 W PEP
Boom Length: 3.42 m / 11.22 ft
Turning Radius: 1.815 m / 5.95 ft
Total Height: 2.13 m / 6.99 ft
Weight: 4 kg / 8.82 lb
Wind Survival: > 150 km/h / 93 mph
Wind Load: 0.303 m² / 3.26 ft² | 237.69 N / 53.43 lbf | @ 120 km/h / 74.6 mph
Construction & Materials
• Mast-to-Boom Plate
Heavy-duty 150 × 100 × 8 mm / 5.91 × 3.94 × 0.31 in mounting plate, designed to provide a strong and secure connection between the boom and support structure.
Heavy-duty 150 × 100 × 8 mm / 5.91 × 3.94 × 0.31 in mounting plate, designed to provide a strong and secure connection between the boom and support structure.
• Boom
Square 30 × 2 mm / 1.18 × 0.08 in profile, providing an excellent balance of structural rigidity and low overall weight.
Square 30 × 2 mm / 1.18 × 0.08 in profile, providing an excellent balance of structural rigidity and low overall weight.
• Hardware & Fasteners
Made from W4-grade stainless steel to provide excellent corrosion resistance, mechanical strength, and long-term durability in outdoor installations.
Made from W4-grade stainless steel to provide excellent corrosion resistance, mechanical strength, and long-term durability in outdoor installations.
• Fiberglass Support System
Reinforced fiberglass tubing measuring 12 × 7 mm / 0.47 × 0.28 in with a UV-protective coating, designed to provide mechanical support for the elements and excellent long-term outdoor durability.
Reinforced fiberglass tubing measuring 12 × 7 mm / 0.47 × 0.28 in with a UV-protective coating, designed to provide mechanical support for the elements and excellent long-term outdoor durability.
• BIG SIGNAL Wire
Special copper wire with a polyethylene (PE) jacket, selected to provide excellent weather protection and high mechanical durability for long-term outdoor use.
Special copper wire with a polyethylene (PE) jacket, selected to provide excellent weather protection and high mechanical durability for long-term outdoor use.
• RF Feed
Direct connection to 50 Ω coaxial cable terminals.
Direct connection to 50 Ω coaxial cable terminals.
Reviews
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The purchase of the products is always made on request. We manufacture all products, so manufacturing times can be added. That is why the final price of the purchase, as the final price of the shipping costs will be confirmed in an email sent afterwards.
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Que gran antena, tengo una y es una maravilla. La he probado con una Yagui 6 elementos y no hay color. Ahora la tengo montada a 2 metros del suelo y la comparo con una SteppIR DB18 con el Kit de 6 metros y aquí la diferencia es mucho mas grande que con la Yagui de 6 elementos, de escuchar estaciones americanas a no escuchar nada de nada con la SteppIR. Sin lugar a dudas una muy buena antena para 6 metros. Felicidades al equipo de BIG SIGNAL.
Fantástica antena y resisssssstente al aire vale la pena