JK402T - Yagi antenna of 2 elements for the 40 m band on a 22 feet (6.71 m) boom.
JK402T NEC image
The JK402T is a 22 ft (6.71 m) boom 2 element 40 m Yagi that has excellent gain and F/R. The elements are loaded Capacitively which shortens the overall length while still maintaining a good gain, F/R across the 40 m band.
This antenna is made for the DXer or Contester that is looking for an antenna to work across the globe. 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.
This 40 m Yagi has a great performance bandwidth at the CW portion of the band, where the Max performance of this antenna is achieved. It then extends all the way into the upper SSB portion without significant degradation in performance.
JK402T antenna pattern at 70 feet (21 m) above ground. CW segment.
JK402T antenna pattern at 70 feet (21.34 m) above ground. SSB segment.
JK402T SWR plot
Approx wt. = 125 lb (57 kg)
Wind Area = 6.2 sqft (0.58 m2)
Max Wind Speed = 100 mph (161 kph)
Max Turning Radius = 28 ft (8.53 m)
Boom = 2" OD / t=0.125" (51 mm / t=3.2 mm)
Feedpoint = 50 ohm direct
Power = 5 kW Average or Balun rating
Close-up view of the antenna boom
JK402T - Yagi antenna of 2 elements for the 40 m band
- Brand: JK Antennas
- Product Code: JK402-T
- Availability: In Stock