20M / 40M Duo-band Yagi
JK2040 Osprey
- 4 Elements on 20M
- 3 Elements on 40M
- 32 Foot Boom
PriceUS$4,145.00**
BUY NOWThe 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.

Specifications
JK2040 Osprey spec sheet
| 20M | 40M | |
|---|---|---|
| Number Elements | 4 | 3 |
| Active Boom Length | 27 ft | 30 ft |
| Peak Gain * (dBi) | 8.9 dBi | 7.2 dBi |
| Peak Gain * (dBd) | 6.8 dBd | 5.1 dBd |
| Peak F/B | 16 dB | 21 dB |
| Peak F/R | 15 dB | 18 dB |
| 2:1 SWR Bandwidth | SWR less than 1.3:1 across the entire band | 160 kHz |
| 1.5:1 SWR Bandwidth | SWR less than 1.3:1 across the entire band | 100 kHz |
| Max Element Length | 36.4 ft | 47 ft |
Tap a band or swipe the cards →
20M
- Number Elements
- 4
- Active Boom Length
- 27 ft
- Peak Gain * (dBi)
- 8.9 dBi
- Peak Gain * (dBd)
- 6.8 dBd
- Peak F/B
- 16 dB
- Peak F/R
- 15 dB
- 2:1 SWR Bandwidth
- SWR less than 1.3:1 across the entire band
- 1.5:1 SWR Bandwidth
- SWR less than 1.3:1 across the entire band
- Max Element Length
- 36.4 ft
40M
- Number Elements
- 3
- Active Boom Length
- 30 ft
- Peak Gain * (dBi)
- 7.2 dBi
- Peak Gain * (dBd)
- 5.1 dBd
- Peak F/B
- 21 dB
- Peak F/R
- 18 dB
- 2:1 SWR Bandwidth
- 160 kHz
- 1.5:1 SWR Bandwidth
- 100 kHz
- Max Element Length
- 47 ft
* Peak gain is shown in free space. dBd = dBi − 2.1
Mechanical
- Approx wt.
- 175 lbs
- Wind Area āCā
- 14.85 Sq Ft
- Wind Area āGā
- 27.0 Sq Ft
- Projected Area
- 22.5 Sq Ft
- Max Wind Speed
- 100 Mph
- Max Turning Radius
- 28.5 Ft





