Custom Yagi for 20 and 40 Meters 

DXU-32 3 element 20 and 2 element 40 on single 28' boom

This antenna was set for the customer's installed height, designed for the desired pattern and operational bandwidth and built to withstand the historical weather conditions. The antenna name is made from the customer's call sign.

DXU-32
SPECIFICATIONS:
Mechanical Electrical

Number of elements: 5 (3) on 20 meters and (2) on 40 meters

Computed efficiency:

Boom length & diameter: 28’ 8" overall, 12’ x 2.5” thick-wall center section and 8’ x 2” end sections

              99.5% on 20 meters and >91% on 40 meters

Wind Survival: >90mph

Gain and F/B:

Wind Load: 8.5 sqft

     20 mtr @ 58’: 13.6dBi, >30dB   5.7dBd (over dipole)

Power Rating: >5KW

     40 mtr @ 58’: 10.3dBi, >17dB   4.1dBd (over dipole)

Feed/match: separate feed lines, 1:1 baluns with hairpin matches to 50 ohms

Tuned for CW

Turning Radius: 24’

Maximum VSWR in CW band is less than 1.3:1

Weight is approximately 80 pounds

 

 

 

To order, or for more information, send me an e-mail:    Tom, N6BT via  e-mail or e-mail 

 

last update Jun 17, 2011

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