struct  {
        union
        {
                struct
                {
                        char    flags[3];
                        char    Rpt2Call[8];
                        char    Rpt1Call[8];
                        char    YourCall[8];
                        char    MyCall[8];
                        char    MyCall2[4];
                        char    crc[2];
                };
                struct
                {
                        char    header1[32];
                        char    header2[9];
                };
        };
} rf_header;

