Field - r79egcmf=1 DATA IS INVALID DUE TO FAILURE OF THE CHANNEL MESUREMENT FACILITYMap: R79EGDBased on: r79egflgDescription =1 DATA IS INVALID DUE TO FAILURE OF THE CHANNEL MESUREMENT FACILITYPost-Processed This virtual field corresponds to the flag at bit-position 0 of field r79egflg.