Best of the best

Slim jim antenna cut for the  aircraft band

No other antenna will  be able to compete  even collinear  antennas lack the low angle of radiation a slim jim /jpole 
can offer 

so239  connection 
ask for  other  types  bnc or n-type 

highest quality avalible  anywhere   5/8  tubing with 1.5 mm wall thickness

takes hurrincane force wind  easy 

stauff clamps  not coppies 

stainless steel hardware  not zinc  rubbish