Source: hsio/get_trk_ptrk.pro
GET_TRK_PTRK Convert a track record (PTRK). Call: get_trk_ptrk, data, dds Arguments: data (byte) input The raw input data. dds struct output The {trk_ptrk} data structure. History: Original: 22/11/91; SJT Corrected for missing Mg: 25/11/91; SJT