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JK2040 Sama (Sky) 3 Elements on 40M /5 Elements on 20M / 44 Foot Boom

The JK2040 Sama (Sky) is the combination of the JK403-Grande (Full-size 40M elements) & 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 40Ft.

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$6,850.00 **

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

Approx wt. = 325 lbs

Wind Area "C" = 21.1 Sq Ft

"G" = 38.0 Sq Ft

Projected Area = 31.6 Sq Ft

Max Wind Speed = 100 Mph

Max Turning Radius = 43 Ft

Boom = 3" OD

Feedpoint = 50-ohm Direct

Single Feed

Power = 5KW Avg or Balun restricted

	40M
Number Elements	3
Active Boom Length	40 ft
Peak Gain*	5.4dBd / 7.1dbi
Peak F/B	27 dB
Peak F/R	24 dB
2:1 SWR Bandwidth	300 KHz
1.5:1 SWR Bandwidth	250 KHz
Max Element Length	74 ft

	20M
Number Elements	5
Active Boom Length	40 ft
Peak Gain*	7.8dBd / 9.9dbi
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.