The gsetomc.exe programme This programm is used to transform MF data known in the GSE system to GSM system. To run programme under DOS type on the COMMAND line: gsetomc name1 name2 , where name1 - the name of input file containing the MF data of FM3I magnetometer in GSE system; name2 - the name of output file with MF data transformed to the GSM system. This programm does not require any additional files.