Dataset {
    Float64 /longitude_time[73];
    Float32 /depth[51];
    Float64 /depth_time[51];
    Float64 /time_fix[43];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[43];
    Float64 /longitude[73];
    Float64 /latitude[78];
    Float64 /latitude_fix_time[43];
    Float64 /longitude_fix[43];
    Float32 /NavChart/height_above_sea_floor[54342];
    Float64 /NavChart/height_above_sea_floor_time[54342];
    Float64 /longitude_fix_time[43];
    Float64 /latitude_time[78];
    Float64 /time_fix_time[43];
    Int32 /DeadReckonUsingMultipleVelocitySources/velocity_source[54535];
    Float64 /DeadReckonUsingMultipleVelocitySources/velocity_source_time[54535];
} hotspot-Normal.nc4;