chirp software package provides Configuration tool for amateur radios, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install chirp
chirp is installed in your system.
Make ensure the chirp package were installed using the commands given below,
$ sudo dpkg-query -l | grep chirp *
You will get with chirp package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Ham Radio |
| Package | chirp |
| Version | 1:20160717-1 |
| Description | Configuration tool for amateur radios |
| Sub Section | hamradio |