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The JK2040 Osprey has great performance characteristics on 20m and 40m. The 27ft active boom 20m Yagi has been optimized for high gain and a good F/R with good SWR performance across the band. On 40m the characteristics of the 3 element Yagi are similar to the JK403 or better.
The 40m element constructions do not need trussing. It's truly an excellent performer and its max F/R characteristics help you hear even the weakest of signals.
The 40m elements can be optimized for your operating bandwidth on 40m.
JK2040 - Osprey 4 Elements on 20M / 3 Elements on 40M / 32 Foot Boom
Price : US$3,795.00 **
Approx wt. = 175 lbs
Wind Area "C" = 14.85 Sq Ft
"G" = 27.0 Sq Ft
Projected Area = 22.5 Sq Ft
Max Wind Speed = 100 Mph
Max Turning Radius = 28.5 Ft
Peak Gain is shown over a dipole in Freespace
Dipole in Freespace = 2.14dBi
|
20M |
40M |
Number Elements |
4 |
3 |
Active Boom Length |
27 ft |
30 ft |
Peak Gain* |
6.8 dBd |
5.1 dBd |
Peak F/B |
16 dB |
21 dB |
Peak F/R |
15 dB |
18 dB |
2:1 SWR Bandwidth |
Less than 1:3 across the band |
160 KHz |
1.5:1 SWR Bandwidth |
Less than 1:3 across the band |
100 KHz |
Max Element Length |
36.4 ft |
47 ft |
** All pricing shown assumes the basic mounting hardware. Additional costs may apply for customized mast plates and hardware.
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