HF 10m 3elements Antenna 10m3HD for High Winds Locations

Strong high wind location HF 10m 3elements Antenna 10m3HD for daily and contest work. A flat SWR curve, high gain and excellent front-to-back make this antenna ideal for obtaining satisfaction in any ham radio work. Strong construction with a boom size of 60x60mm and a starting element size of 25mm will ensure resistance to any high winds. Direct feed with RG213 balun cable.

 

HF 10m 3elements Antenna 10m3HD Appearance:

 

What does 10m3HD mean?

• 10m – 10m band. Covers 28 to 29 MHz main band. With a good SWR.
• 3 – 3 elements.
• HD – Heavy-Duty construction could withstand any high winds.

 

Electrical specifications of HF 10m 3elements Antenna 10m3HD

Frequency Range: 28 – 28.8 MHz
Free Space Forward Gain: 7.1 dBi
Front-to-Back Ratio: 20 dB
3 dB Horizontal Beamwidth: 65.5°
Polarization: Horizontal
Nominal Input Impedance: 50 Ohm
SWR Across Entire Band: < 1.2
Maximum Power Input: 2000 W (more by order)
Matching Method: Direct feed through common mode choke (current balun)
Connector: SO239 Teflon Silver plated (7/16 DIN by request)

 

HF 10m 3elements Antenna 10m3HD Azimuth Radiation Pattern

 

Mechanical specifications of HF 10m 4elements Antenna 10m3HD

Number of Elements: 3
Elements Diameter: Tapered elements starting diameter of 25mm to 8mm
Longest Element: 5.6 m
Element Mounting Position: Below the boom
Balun and Connector: Included
Boom Length: 2.92 meter
Boom Size: 60 x 60 mm
Turning radius: 3.2m
Number of Boom Pieces: 2
Guy rope support: Not necessary. Strong boom
Mounting Mast Diameter: 43 – 70 mm 1-11/16″ – 2-3/4″ OD
Clamp: 2 x M12 Stainless Steel AISI 316L (A4)
Survival Wind Speed: 200 km/h
Net Weight:
Gross Weight:
Transportation Length: 1.5m

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