Dataset {
    Float64 /longitude_time[47];
    Float32 /depth[125];
    Float64 /depth_time[125];
    Float64 /time_fix[13];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[13];
    Float64 /longitude[47];
    Float64 /latitude[36];
    Float64 /latitude_fix_time[13];
    Float64 /longitude_fix[13];
    Float32 /NavChart/height_above_sea_floor[41869];
    Float64 /NavChart/height_above_sea_floor_time[41869];
    Float64 /longitude_fix_time[13];
    Float64 /latitude_time[36];
    Float64 /time_fix_time[13];
    Int32 /DeadReckonUsingMultipleVelocitySources/velocity_source[172920];
    Float64 /DeadReckonUsingMultipleVelocitySources/velocity_source_time[172920];
} hotspot-Normal.nc4;