Install antennavis by entering the following commands in the terminal:
sudo apt update sudo apt install antennavis
Description:
antenna radiation pattern visualization software
Antennavis is a visualization toolkit designed to aid the user in better understanding the data output by the NEC2 antenna modelling software.
Homepage: http://www.include.gr/antennavis.html
Version: 0.3.1-4build1
Section: universe/hamradio