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JK403 3 Elements on 40M / 30 Foot Boom

Price : US$2,795.00 **

The JK403 is a great performer antenna on a 30ft boom for 40m. This antenna has excellent F/R and gain while maintaining a decent SWR bandwidth. The antenna is made with our high quality, heavy duty materials and hardware. The element construction does not need trussing unless you live in extreme snow/ice conditions.

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.

Approx wt. = 125 lbs

Wind Area "C" = 8.40 Sq Ft

"G" = 15.12 Sq Ft

Projected Area = 12.6 Sq Ft

Max Wind Speed = 100 Mph

Max Turning Radius = 28.6 Ft

Boom = 2" OD / 0.125" wall

Feedpoint = Shunt coil match/50-Ohm

Power = 5KW Avg or Balun restricted

	40M
Number Elements	3
Active Boom Length	29.5 ft
Peak Gain*	5.06 dBd
Peak F/B	23 dB
Peak F/R	22 dB
2:1 SWR Bandwidth	175 KHz
1.5:1 SWR Bandwidth	125 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.