2 meter 144 MHz 11 Element Yagi Low Noise Contest Antenna 2m11DXL

2 meter 144 MHz 11 Element Yagi Low Noise Contest Antenna 2m11DXL


SKU: 0640 Categories: ,

2 meter 11 Element Portable VHF Contest and Low Noise EME Antenna 2m11DXL.

Wideband Antenna 144 to 145 MHz. Excellent for VHF Contest or portable EME. Low Noise Design.


2-meter-Low-Noise-Contest-Antenna-PA144-11-6B Portable


Excellent 11 elements High Gain Yagi antenna. Great for Terrestrial VHF Contest or portable – EME work. Length of boom pieces 1460 mm.

What does 2m11DXL mean?

  • 2m – 2m band
  • 11 – 11 elements
  • DX – Covers DX part of 2m band 144-145MHz
  • LLight version without guy rope support


Electrical Specifications of 2m 11Elements Low Noise EME Antenna 2m11DXL

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 or vertical
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 2m11DXL

“P” – Power version “N” Input connector RG142 5mm Teflon balun cable: 1500W 2m11DXLP
“E” – Extra power 7/16 DIN Input connector SF250 7mm Teflon balun cable: 2000W 2m11DXLE
“EX” – EXtreme power 7/16 DIN Input connector RG115 10mm Teflon balun cable: 5000W 2m11DXLEX


Mechanical Specifications of 2m11DXL

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: No
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: 6.7 kg
Gross Weight: 8,2 kg
Transportation Length: 1.49 meters

Portable 2meter Low-Noise-Antenna-PA144-11-6B

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 Side Lobes (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 portable VHF Contest on 144 MHz and EME. 2 meter 144.1 MHz Azimuth Radiation Pattern.

Great suppression of all side lobes.

144MHz Contest Portable Low Noise Yagi Antenna AZ Radiation Pattern


2 meter 144 MHz contest portable Low Noise Yagi Antenna PA144-11-6B.


2m Low-Noise-EME-Antenna-PA144-11-6B portable


11-element 144 MHz Contest antenna, 6-meter boom. Low noise pickup. Dipole, balun, and “N” connector detail.


Portable 2m Low-Noise-EME-antenna-PA144-11-6-dipole-view


Antenna shares the same design as PA144-11-6BG except for Guy rope support.


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.

Weight 8,2 kg
Dimensions 149 × 19 × 12 cm


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