10m 4el. full size, 8.5 dBi, HD Yagi antenna. Boom 4.4m. 200km/h By Antennas-Amplifiers
SKU Part Number: 10M4HD
HF 10m 4elements Antenna 10m4HD for High Wind Locations  By Antennas-Amplifiers Strong high wind location antenna HF 10m 4-elements Antenna...
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HF 10m 4elements Antenna 10m4HD for High Wind Locations

 By Antennas-Amplifiers

Strong high wind location antenna HF 10m 4-elements Antenna 10m4HD for daily and contest work. A flat SWR curve, high gain, and excellent front-to-back ratio make this antenna ideal for achieving 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 high winds.

What does 10m4HD mean?

  • 10m – 10m band. Covers 28 to 29 MHz main band. With a good SWR.
  • 4 – 4 elements.
  • HD – Heavy-Duty construction could withstand any high winds.

 

Electrical specifications of HF 10m 4-elements Antenna 10m4HD

Frequency Range: 28 – 29 MHz
Free Space Forward Gain: 8.5 dBi
Front-to-Back Ratio: 20 dB
3 dB Horizontal Beamwidth: 62.2°
Polarisation: 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)

Mechanical specifications of HF 10m 4elements Antenna 10m4HD

Number of Elements: 4
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: 4.4 meter
Boom Size: 60 x 60 mm
Turning radius: 3.4m
Number of Boom Pieces: 2
Guy rope support: Yes, Included Stainless Steel AISI 316L rope 4 mm
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: 18kg
Gross Weight: 19.5 kg
Transportation Length: 2.3m

Shipping:

We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.

Returns:

If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]