HF 3 Band Antenna designed for 20m 15m and 10m 3B-334HD
Ultimate HF Tri-band Antenna 3B-334HD with central wide-spaced elements that can fit in antenna towers up to 0.6m wide. 3 Band Antenna on 6 meter boom covers 3 upper bands: 20-meter, 15-meters, and 10-meter band. The antenna has 10 Full-Size elements on it. No traps, no coils!
The antenna has 3 elements on a 20-meter, 3 elements on a 15-meter, and 4 elements on a 10-meter band.
The antenna uses a common feed line. Input power is limited by the feed line only. Very low SWR, excellent F/B. Wind survival speed 150 km/h.
The antenna is assembled and tested before shipping. There is no exception. All our Ham Radio antennas are pre-tuned. Once the antenna is up in the air, you should expect extremely good SWR across the whole designed range, true gain, and F/B as given in the table. You have nothing to tune, nothing to measure. Just put number to number and enjoy the Ham Radio hobby.
This antenna is serious for DX hunting. The wide band antenna is designed for 20 meters, 15 meters, and 10 meter bands.
Everything is included in the 10-element 3 Band antenna box: Antenna, balun with connector, and bracket. Yours is just to assemble and have fun! As all our antennas are, this Ham Radio antenna has been designed with professional full-3D EM modeling software and then tested in reality. The antenna is calculated with the influence of boom, balun, connectors…
Everything is labeled, just put number to number.
Electrical and Mechanical specifications of the 3 Band Antenna on 6 meter boom – 3B-334HD
Electrical Specifications on the 20-meter:
Frequency range: 14-14.35 MHz
Free Space Forward Gain: 6.9 dBi
Front-to-back Ratio: 22 dB
-3 dB Horizontal Beamwidth: 66°
Maximum SWR at any frequency: 1.2
Electrical Specifications on the 15-meter band:
Frequency range: 21-21.45 MHz
Free Space Forward Gain: 7.4 dBi
Front-to-back Ratio: 21 dB
-3 dB Horizontal Beamwidth: 65°
Maximum SWR at any frequency: 1.2
Electrical Specifications on the 10-meter band:
Frequency range: 28-29 MHz
Free Space Forward Gain: 8.9 dBi
Front-to-back Ratio: 20 dB
-3 dB Horizontal Beamwidth: 56°
Maximum SWR at any frequency: 1.4
Common Electrical characteristics of the 3B-334HD antenna
Nominal Input Impedance: 50 Ohm
Maximum Power Input: More than 1500 W (more by request)
Matching Method: Direct feed through a current balun. One cable for all three bands.
Connector: Silver Plated SO239
Common Mechanical characteristics of the 3B-334HD antenna
Boom Length: 6 meter
Boom Size: 60 x 60 mm
Longest Element: 11.5 m
Number of Elements: 10
Turning Radius: 7 m
Surface Area: 1.25m2
Mounting Mast Diameter: 43 – 70 mm
Survival Wind Speed: 150 km/h
Weight: 54 kg
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The post target=”_blank” href=”https://qrznow.com/hf-3-band-antenna-on-6-meter-boom-20m-15m-and-10m/”>HF 3 Band Antenna on 6 meter boom 20m 15m and 10m appeared first on target=”_blank” href=”https://qrznow.com/”>QRZ NOW – Ham Radio News.
