anchor.diff:  Location,At least one from group,loose_location_at_sea,
   Increasing depth,At least one from group,Argo_pressure_increasing_test,
   Increasing depth,At least one from group,EN_increasing_depth_check,
  +Spike or step,At least one from group,AOML_spike,
   Spike or step,At least one from group,Argo_spike_test,
   Spike or step,At least one from group,CoTeDe_GTSPP_spike_check,
   Spike or step,At least one from group,CoTeDe_spike,
  
positive.code: Spike or step,At least one from group,ICDC_aqc_07_spike_check,
  Density,At least one from group,CoTeDe_Argo_density_inversion,
  Density,At least one from group,EN_stability_check,
  Climatology,At least one from group,CoTeDe_GTSPP_WOA_normbias,
  Climatology,At least one from group,CoTeDe_tukey53H_norm,
  Climatology,At least one from group,CoTeDe_WOA_normbias,
  Climatology,At least one from group,EN_background_check,
  Climatology,At least one from group,EN_std_lev_bkg_and_buddy_check,
  Climatology,At least one from group,ICDC_aqc_09_local_climatology_check,
  Constant values,At least one from group,CSIRO_constant_bottom,
  Constant values,At least one from group,EN_constant_value_check,
  Constant values,At least one from group,ICDC_aqc_05_stuck_value,
  
negative.code: Range,At least one from group,ICDC_aqc_02_crude_range,
  Range,At least one from group,ICDC_aqc_06_n_temperature_extrema,
  Range,At least one from group,WOD_range_check,
  Gradient,At least one from group,AOML_gradient,
  Gradient,At least one from group,Argo_gradient_test,
  Gradient,At least one from group,CoTeDe_gradient,
  Gradient,At least one from group,CoTeDe_GTSPP_gradient,
  