R20Util is a command line utility useful to people with an ICOM IC-R20 communications receiver. It operates on the files generated by the ICOM CS-R20 software and can perform various operations including:
R20Util is distributed under the GNU General Public License.
Download the Windows program.
Download the Python source.
Read the Reame file.
Because the software is written in Python it should be very easy to add new features. Python modules are included in the source for reading and writing .icf files and working with the memory data structures inside them.
Information I have learned about the .icf file format is available.