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20M Monoband Yagi

JK205

  • 5 Elements on 20M
  • 40 Foot Boom
PriceUS$2,890.00**
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This 5 element 20m Yagi gives you tremendous performance with a very high gain on a 39ft boom. The antenna has been optimized for good F/R and SWR performance across the band.

The antenna comes with our high quality, heavy duty materials and hardware.

JK205 element layout
Specifications

JK205 spec sheet

20M
Number Elements5
Active Boom Length39 ft
Peak Gain * (dBi)9.86 dBi
Peak Gain * (dBd)7.76 dBd
Peak F/B28 dB
Peak F/R25 dB
2:1 SWR BandwidthSWR less than 1.25:1 across the entire band
1.5:1 SWR BandwidthSWR less than 1.25:1 across the entire band
Max Element Length37.0 ft

Tap a band or swipe the cards →

20M

Number Elements
5
Active Boom Length
39 ft
Peak Gain * (dBi)
9.86 dBi
Peak Gain * (dBd)
7.76 dBd
Peak F/B
28 dB
Peak F/R
25 dB
2:1 SWR Bandwidth
SWR less than 1.25:1 across the entire band
1.5:1 SWR Bandwidth
SWR less than 1.25:1 across the entire band
Max Element Length
37.0 ft

* Peak gain is shown in free space. dBd = dBi − 2.1

Mechanical

Approx wt.
128 lbs
Wind Area ā€œCā€
8.05 Sq Ft
Wind Area ā€œGā€
14.49 Sq Ft
Projected Area
12.07 Sq Ft
Max Wind Speed
100 Mph
Max Turning Radius
26.750 Ft
Patterns & SWR

Plots by band

JK205 20M azimuth plot
JK205 20M SWR plot

Click any plot to open it full size.

** All pricing shown assumes the basic mounting hardware. Additional costs may apply for customized mast plates and hardware.