View source for CHIRP

Install CHIRP - Debian
 sudo apt-add-repository ppa:dansmith/chirp-snapshots
 sudo apt-get update
 sudo apt-get install chirp-daily

Run Path
 /usr/bin/chirpw

 [ 3172.650979] usb 2-1.7: USB disconnect, device number 4
 [ 3412.270307] usb 2-1.7: new full-speed USB device number 5 using ehci-pci
 [ 3412.384447] usb 2-1.7: New USB device found, idVendor=067b, idProduct=2303
 [ 3412.384458] usb 2-1.7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
 [ 3412.384459] usb 2-1.7: Product: USB-Serial Controller
 [ 3412.384461] usb 2-1.7: Manufacturer: Prolific Technology Inc.
 [ 3413.421537] usbcore: registered new interface driver usbserial
 [ 3413.421558] usbcore: registered new interface driver usbserial_generic
 [ 3413.421576] usbserial: USB Serial support registered for generic
 [ 3413.423460] usbcore: registered new interface driver pl2303
 [ 3413.423479] usbserial: USB Serial support registered for pl2303
 [ 3413.423499] pl2303 2-1.7:1.0: pl2303 converter detected
 [ 3413.424954] usb 2-1.7: pl2303 converter now attached to ttyUSB0

Tell CHIRP to use ttyUSB0