Principle of J Pole Antenna

[@lesleypaulvj_TVPM]

Very good description about the J-pole antenna

[@johnsonstechworld]

Thank you very much for the nice words of appreciation.

[@peppei8uza]

where you find 2dB of gain? antenna is just an half wavelenght, just a dipole... 1/4 lambda line does not irradiate, it's just a piece of bifilar line... total gain is 0dB over dipole... because it's a dipole!!!!

[@johnsonstechworld]

Thanks a lot for the correction. 73 de Jon, VU2JO