Onaird is a python program for the FLEX-6000 series radios that watches for TX from the radio and trips a relay on the Raspberry Pi so that you can light a sign or do other physical actions.
usage: onaird.py [-h] [--gpio GPIO] radio_ip
Drive the On Air sign from the radio information
positional arguments:
radio_ip IP address of the radio
optional arguments:
-h, --help show this help message and exit
--gpio GPIO Line number of the GPIO line