The J-Pole is a great antenna for VHF/UHF applications.
It has gain - more than 3db!
It needs no radials
It is easy to install
It has fantastic bandwith
It has a low radiation angle for distance work
AmateurRadioSupplies.com carries two J-Poles - one permanent rugged J-Pole for base station use and another portable, lightweight J-Pole for the home, office, em-com use and whatever your need might be. Whether you are looking for an OSJ, roll-up, slim jim or other J-Pole configuration...we have it. Also, please not that our J-Pole kits include full plans for J-Pole construction.