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JK3040    2 Elements on 40M /2 Elements on 30M / 18 Foot Boom

 

The JK3040 is a short boom 2 element 40m Yagi that has excellent gain and F/R with an interlaced 2-element 30M yagi.

This antenna is made for the DX'er that ís looking for an antenna to work across the globe on 30M & 40M.

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.

We can also provide you with custom settings to suit your operating preference such as peaking your gain and F/B in the CW portion or the Phone portion of the band.

Price : US$2,350.00 **

Approx wt. = 122 lbs

Wind Area = 8.82 Sq Ft

Max Wind Speed = 100 Mph

Max Turning Radius = 26 Ft

Boom = 2" OD

Feedpoint = Shunt coil match

                   Single Feed

Power = 5KW Avg or Balun restricted

Enjoy 6+ dbi of Freespace Peak gain or

 

11+ dbi of Peak gain at 70ft above Avg. ground !!!

 

30M

Number Elements

2

Active Boom Length

11.5 ft

Peak Gain*

4.26 dBd / 6.4dbi

Peak F/B

20+ dB

Peak F/R

18 dB

2:1 SWR Bandwidth

-

1.5:1 SWR Bandwidth

50 KHz

Max Element Length

32.4 ft

 

40M

Number Elements

2

Active Boom Length

17.5 ft

Peak Gain*

4.06dBd / 6.2dbi

Peak F/B

20 dB

Peak F/R

18 dB

2:1 SWR Bandwidth

175 KHz

1.5:1 SWR Bandwidth

120 KHz

Max Element Length

47.5 ft

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

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

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