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40M Loaded Yagi

JK402-PICCOLO

  • 2 Elements on 40M
  • 18 Foot Boom
PriceUS$2,445.00**
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The JK402P (Piccolo) is a 18Ft boom 2 element 40m Yagi that has excellent gain and F/R. The elements are loaded Capacitively & Inductively which shortens the overall length while still maintaining a good performance across the 40M band.

This antenna is made for the DX'er or Contester that is looking for an antenna to work across the globe with a compact footprint.

It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance.

This 40M Yagi has a great performance bandwidth all the way at the CW portion of the band, where the Max performance of this antenna is achieved. It then extends all way in to the upper SSB portion without significant degradation in performance.

Enjoy 5 to 6 dbi of Freespace Peak gain or 9.5 to 11dbi of Peak gain at 70ft above Avg. ground !!!

Element Length as short as 20M elements

JK402-PICCOLO element layout
Specifications

JK402-PICCOLO spec sheet

40M
Number Elements2
Active Boom Length17.5 ft
Peak Gain * (dBi)5.9 dBi
Peak Gain * (dBd)3.7 dBd
Peak F/B18 dB
Peak F/R14 dB
2:1 SWR Bandwidth250 kHz
1.5:1 SWR Bandwidth200 kHz
Max Element Length36 ft

Tap a band or swipe the cards →

40M

Number Elements
2
Active Boom Length
17.5 ft
Peak Gain * (dBi)
5.9 dBi
Peak Gain * (dBd)
3.7 dBd
Peak F/B
18 dB
Peak F/R
14 dB
2:1 SWR Bandwidth
250 kHz
1.5:1 SWR Bandwidth
200 kHz
Max Element Length
36 ft

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

*** Gain above ground figures are modeled over average/flat ground ***

Mechanical

Approx wt.
88 lbs
Wind Area ā€œCā€
5.4 Sq Ft
Wind Area ā€œGā€
9.72 Sq Ft
Projected Area
8.1 Sq Ft
Max Wind Speed
100 Mph
Max Turning Radius
20 Ft
Boom
2" OD / 0.125" Wall
Feedpoint
50-Ohms
Power
5KW Avg or Balun restricted
Patterns & SWR

Plots

JK402-PICCOLO 40M FreeSpace Plot - SSB - Single Antenna
40M · FreeSpace Plot - SSB - Single Antenna
JK402-PICCOLO 40M SWR Plot - SSB - Single Antenna - FreeSpace
40M · SWR Plot - SSB - Single Antenna - FreeSpace
JK402-PICCOLO 40M SWR Plot - CW - Single Antenna - FreeSpace
40M · SWR Plot - CW - Single Antenna - FreeSpace

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.