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JK2040 Phantom    4 Elements on 40M /5 Elements on 20M / 48 Foot Boom


The JK2040 Phantom is the combination of the JK404-Grande & the JK205 on the same boom with a single  feed-point.


This antenna is made for the DX'er or Contester that is looking for an antenna with tremendous performance to work across the globe on 20M & 40M and make his/her own propagation.


The 20M performance is outstanding from the active boom length of 45Ft.


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.


Price : US$8,450.00 **

Peak Gain is shown over a dipole in Freespace
Dipole in Freespace = 2.14dBi

Approx wt. = 395 lbs

Wind Area "C" = 26.75 Sq Ft

                "G" = 48.15 Sq Ft

Projected Area = 40.1 Sq Ft

Max Wind Speed = 100 Mph

Max Turning Radius = 45 Ft

Boom = 3" OD

Feedpoint  = 50-ohm Direct

                    Single Feed

Power = 5KW Avg or Balun restricted



Number Elements


Active Boom Length

45.5 ft

Peak Gain*

6.2dBd / 8.3dbi

Peak F/B

30 dB

Peak F/R

25 dB

2:1 SWR Bandwidth

300 KHz

1.5:1 SWR Bandwidth

250 KHz

Max Element Length

74 ft



Number Elements


Active Boom Length

45 ft

Peak Gain*

8.1dBd / 10.3dbi

Peak F/B

24+ dB

Peak F/R

20 dB

2:1 SWR Bandwidth


1.5:1 SWR Bandwidth

350 KHz

Max Element Length

37 ft

40M Plot Freespace

20M Plot Freespace

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

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