horst software package provides Highly Optimized Radio Scanning Tool, 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 horst
horst is installed in your system.
Make ensure the horst package were installed using the commands given below,
$ sudo dpkg-query -l | grep horst *
You will get with horst package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Network |
| Package | horst |
| Version | 4.2-1 |
| Description | Highly Optimized Radio Scanning Tool |
| Sub Section | Net |