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Hy-Gain HF Beam Antennas LJ-203BA

Antenna, Beam, Long John HF Monobander, 20M, Yagi, 3 Elements, 1,500 W, 16.5 ft. Boom Length, Each

Availability: In Stock
Estimated Ship Date: Today

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Brand: Hy-Gain
Manufacturer's Part Number: LJ-203BA
Product Line: Hy-Gain HF Beam Antennas
DXE Part Number: HGN-LJ-203BA

HF Beam Antenna Type: Yagi
HF Beam Antenna Elements: 3
HF Beam Element Material: Aluminum tubing
Antenna Power Rating: 1,500 W
Beam Antenna Boom Length: 16.50 ft.
HF Beam Antenna Boom Diameter (in.): 2.000 in.
HF Beam Antenna Longest Element: 37.08 ft.
Beam Antenna Turning Radius: 20.10 ft.
Effective Moment (approximate): 643 ft. lbs.
Mast Mounting Clamp Minimum: 1.250 in.
Mast Mounting Clamp Maximum: 2.500 in.
Wind Surface Area: 5.380 sq. ft.
HF Beam Antenna Band Coverage: 20 meters
Feedpoint Impedance: 50 ohms
Antenna Feedline Connection Type: Terminal studs, #10
Antenna Weight: 32.00 lbs.
Quantity: Sold individually.

Hy-Gain LJ-203BA 20 Meter Long John HF Monobanders are optimally spaced, 3-element 20M beam antennas. Their Beta-Match tuning ensures a maximum transfer of energy from the feedline to the antenna. Long John 20M beams are recommended to mount on a 2 in. to 2 1/2 in. O.D. mast and can be rotated with Hy-Gain CD-45II or HAM-IV rotators. These antennas include stainless steel hardware for all electrical and most mechanical connections. Taper-swaged seamless aluminum tubing is used throughout the antennas for maximum mechanical reliability. Stainless steel tubing clamps are used at the element joints for the best possible mechanical connection. Hy-Gain 3-element 20M Long John beams antennas are designed for use with 50 ohm coaxial cable, RG-213/U cable being preferred for its lower losses and higher power-handling capabilities. A choke balun is required to prevent unbalanced current from flowing down the transmission line and affecting the efficiency of the antennas.


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