2 meter 11 Element 144 MHz VHF Contest DX and EME Antenna 2m11DX

Perfect for the VHF Contest or EME. Excellent G/T. Low Noise Design.

 

 

Excellent 11 elements Yagi antenna with high gain. Great for Terrestrial VHF Contest or EME work. Length of boom pieces 1460 mm.

What does 2m11DX mean?

• 2m – 2m band
• 11 – 11 elements
• DX – Covers DX part of 2m band 144-145MHz

 

Electrical Specifications of 2m 11Elements Low Noise EME Antenna 2m11DX

Frequency Range: 144 – 145 MHz
Free Space Forward Gain: 14.8 dBi
Front-to-Back Ratio: 27 dB
-3 dB Horizontal Beamwidth: 35°
-3 dB Vertical Beamwidth: 38°
Polarization: Horizontal
Nominal Input Impedance: 50 Ohms
SWR Across Entire Band: < 1.2
Maximum Power Input: 500 W (more by request)
Matching Method: Direct feed through common mode choke (current balun)
Connector: “N” (or 7/16 DIN by request)

 

Power versions of super low noise EME antenna 2m11DX

“P” – Power version “N” Input connector RG142 5mm Teflon balun cable: 1500W 2m11DXP
“E” – Extra power 7/16 DIN Input connector SF250 7mm Teflon balun cable: 2000W 2m11DXE
“EX” – EXtreme power 7/16 DIN Input connector RG115 10mm Teflon balun cable: 5000W 2m11DXEX

 

Mechanical Specifications of 2m11DX

Number of elements: 11
Element Diameter: 8 mm Aluminum tube
Dipole Diameter: 8 mm Hard Copper tube plastic coated
Longest element: 1040 mm
Element Mounting Position: Below the Boom
Balun and Connector: Included
Boom Length: 5.72 m
Tapered Boom: 40x40mm, 30x30mm
The number of Boom Pieces: 4
Guy rope support: Yes, Included
Mounting Mast Diameter: 43 – 70 mm 1-11/16″ – 2-3/4″ OD
Clamp: 2 x M8 Stainless Steel
Survival Wind Speed: 180 km/h
Net Weight: 7,6 kg
Gross Weight: 9,7 kg
Transportation Length: 1.49 meters

 

 

144 MHz Yagi Antenna with Boom length about 6 meters. 11 element Yagi Vertical Stacking Distances for F/S -12.5 dB:

 

2 Antennas	3.1 m for Gain 17.72 dBi (+2.92 dB)
4 Antennas	3.3 m for Gain 20.8 dBi (+6 dB)

 

2 meter 11 element Yagi Antenna Horizontal Stacking Distances for F/S -12.5 dB:

 

2 Antennas	3.3 m for Gain 17.7 dBi (+2.9 dB)
4 Antennas	3.6 m for Gain 20.8 dBi (+6 dB)

 

PA144-11-6BG 2 meter 11 element Yagi Antenna in “H” frame. Two configurations. Max gain and low side lobes for high noise urban area.

 

4 Antennas Max Gain	H=3.25 m V=3.1 m for Gain 20.62 dBi (+5.82 dB)  for F/S -12.5 dB
4 Antennas Low SideLobes (Urban)	H=2.88 m V=2.75 m for Gain 20.15 dBi (+5.35 dB) for F/S -17 dB

 

Low Noise antenna for VHF Contest on 144 MHz and EME work. 2 meters 144.1 MHz Azimuth Radiation Pattern.

Excellent gain and great suppression of all side lobes.

 

2 meter 144 MHz Contest EME Low Noise Yagi Antenna. Boom Join Detail Guy Rope Support.

 

 

11-element 144 MHz Contest antenna, Low noise pickup. Dipole, balun, and “N” connector detail.

 

 

Bracket and Guy Rope support view of PA144-11-6BG VHF Terrestrial Contest or EME Antenna.

 

 

Another view of Low Noise High Gain Yagi antenna PA144-11-6BG.

 

 

The antenna shares the same design as PA144-11-6B except for Guy rope support.

About antenna read this review.

Ultimate design with with latest professional full-3D electromagnetic modelling software.
Not possible with EZNEC Pro/4 – NEC4.2 engine, 4NEC2, EZNEC, YO, or AO except by accident or tinkering with antenna elements or spacings.
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