ARC20 for Icom IC R20
From The RadioReference Wiki
ARC20 is programming software for the Icom IC-R20 comunications receiver. It allows you to read data from the scanner, make changes via the GUI, and write the modified data back. You can maintain a "library" of data files to be downloaded or shared. You can also import and export comma-delimited (CSV) text files.
Downloads and Links
Integration with the RadioReference.com Web service
ARC20 supports the Radioreference webservice.