Dataset {
    Sequence {
        String station_id;
        String time_stamp;
        Float64 speed;
        Float64 speed_knots;
        Float64 speed_mph;
        Float64 theta;
        String surface_or_bottom;
        Float64 lon;
        Float64 lat;
        Float64 z;
        String positive;
    } current_in_situ_prod;
} current_in_situ;