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EF803

 

This is a 3 el. full size 80m yagi covering entire band from 3.5 - 3.8 MHz

 
Swithching from SSB to CW is done with set of inductances with remotely controlled relays
 
 
 
Radiation pattern when antenna is installed at 35m above the ground
 
 
 
Taper schedule of elements is carefully optimized for exceptional wind resistance of >160km/h (100mph) and mechanical strength without critical spots
 
 
 
For those who want to build this antenna, please send me mail for detail taper schedule

and tubing sizes required to build this antenna, either in metric or imperial tubing sizes

 
 
Antenna built by LZ5R Milara contest team - see video on Youtube