Illustration of the J antenna and four other variations including SlimJIM, Super-J, 5/8ths Super-J and Collinear J. | Ham radio antenna, Ham radio, Radio antenna
Hacking the J-Pole
Online Calculator .:. J-Pole Antenna - Designer
Mast Mountable J-Pole Antenna
Antenna experiment - 868Mhz J-pole - Gateways - The Things Network