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JK Quattro

4 Elements on 10M / 2 Element on 12M / 4 Elements on 15M / 3 Elements on 17M / 30 Foot Boom

Total 11 Physical Elements

Price : US$1,530.00 **

 

The JK Quattro is a Quad band Yagi that interlaces 10, 12, 15 & 17 meters on a single boom. This antenna evolved when we combined 2 of our dual-band yagis (1517 & 1012) on to the same boom using the forward stagger method.

 

The Quattro performs as 4 individual mono-banders with 2 separate 50-ohm direct feed-points. The different band elements couples with the other to give additional active elements on 12M & 17M.

 

This antenna has been designed to give a good gain, F/R characteristics on 10, 12,15 & 17. The adjacent band passive elements couple with the active band elements to give a good gain performance on each band for this boom length.  The gain figures alone for this antenna will differentiate it as a leader in its class.

 

It is manufactured the same way as our bigger Yagis with the same high quality materials and hardware.

 

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

 

Approx wt. =  87 lbs

Wind Area "C" =   8.83 Sq Ft

                "G" =  15.9 Sq. Ft

Projected Area = 13.25 Sq. Ft

Max Wind Speed = 100 Mph

Max Turning Radius =  19.14 Ft

 

 

 

 

10M

12M

15M

17M

Active Elements

4

2

4

3

Gain at 65ft

14.0 dbi

12.16 dbi

14.79 dbi

13.43 dbi

Peak Gain*

6.25 dBd

4.46 dBd

7.22 dBd

5.9 dBd

Peak F/B

25 dB

18 dB

15 dB

18 dB

Peak F/R

25 dB

18 dB

15 dB

18 dB

2:1 SWR Bandwidth

800 Khz

1.1 across the band

Less than 1.5

Less than 1:1

1.5:1 SWR Bandwidth

650 KHz

1.1 across the band

450 KHz

Less than 1:1

Max Element Length

17.9 ft

18.4 ft

24.25 ft

28 ft

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

The next generation in design, quality and manufacturing

 

© 2015 JK Antennas & Systems