Dataset {
    Sequence {
        String ID;
        Float64 SN;
        Float64 LAT_START;
        Float64 LON_START;
        Float64 BTM_DEPTH;
        String START_DATE;
        Float64 DROGUE_DEPTH_START;
        Float64 DROGUE_DEPTH_END;
        String DEPLOYER;
        String INSTITUTE;
        String COMMUNICATION;
        String TYPE;
        String MANUFACTURER;
        Float64 YRDAY0_GMT;
    } drift_header;
} drift_header;