SuperYagi antennas computer designed optimized 
Katyusha mk1
 

1 element delta loop antenna covering the 6 M band 50MHZ
broad band no need for a tuner !
2.5 dbd gain over a dipole
low noise
works very low to the ground unlike a dipole.
put out a big signal .
fully rotatable
complete with 100 ohm 1/4 w ave matching section
low swr across the entire band
genuine stauff polymide clamps
stainless seel bolts and lock nuts
2 m per side
2 kw handling power no lossy  gama  match 
heavy duty tubing
ideal for portable / mobile as the sections are no longer than 1.5m each strips down in seconds
comes with a so239  socket