CONTEST FILES The official software for logging will be the N1MM+.Click here to download the updated N1MM+ version.Click here to download the *.ZIP compressed file with the *.UDC, *.SEC and Call History files needed to configure the N1MM+ for the LABRE DX CONTEST. Video Tutorial: how to download, install, and configure N1MM+ for the LABRE DX CONTEST. Video: How to setup Callhistory file on N1MM+ (in Portuguese)