serial port names for USB-serial adapter

I’m temporarily using a USB-serial adapter to work around another hardware problem. The device names are /dev/ttyUSB0 and /dev/ttyUSB1. What are the COM port numbers that weather-display uses to address these? I’ve tested with “meteo”, and the station data is definitely available on /dev/ttyUSB0.

as far as I know, it can’t address these ports, I have the same situation, and I had to surrender the one fixed port on the back of the pc for WD…