gsmc software package provides Smith Chart calculator for impedance matching, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gsmc
gsmc is installed in your system.
Make ensure the gsmc package were installed using the commands given below,
$ sudo dpkg-query -l | grep gsmc *
You will get with gsmc package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Ham Radio |
| Package | gsmc |
| Version | 1.1-1.3 |
| Description | Smith Chart calculator for impedance matching |
| Sub Section | hamradio |