diff --git a/Examples/Doc/Notebooks/EbasMetadata.ipynb b/Examples/Doc/Notebooks/EbasMetadata.ipynb
index 12178816791f15ed8df7ea8c7e5fe2cba44652f2..e6381ab5d151f60f9a0b241a0737f6154f724bd4 100644
--- a/Examples/Doc/Notebooks/EbasMetadata.ipynb
+++ b/Examples/Doc/Notebooks/EbasMetadata.ipynb
@@ -57,7 +57,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "This code sequence lists all possible metadata elements in EBAS. Each line contains the tag (the tag used in the Nasa Ames files) and the key (the key used in the io object's metadata).\n",
+    "This code sequence lists all possible metadata elements in EBAS. Each line contains the Nasa Ames tag (the tag used in the Nasa Ames files), the NetCDF tag (attribute name used in NetCDF files) and the object key (the key used in the io object's metadata).\n",
     "We only list metadata which are allowed either as global metadata (main) or as variable metadata (vname)"
    ]
   },
@@ -72,146 +72,150 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Data definition:                              datadef\n",
-      "Data license:                                 license\n",
-      "Citation:                                     citation\n",
-      "Set type code:                                type\n",
-      "Timezone:                                     timezone\n",
-      "Timeref:                                      timeref\n",
-      "File name:                                    filename\n",
-      "Represents DOI:                               doi\n",
-      "Contains data from DOI:                       doi_list\n",
-      "File creation:                                creation_time\n",
-      "Export state:                                 export_state\n",
-      "Export filter:                                export_filter\n",
-      "Startdate:                                    startdate\n",
-      "Revision date:                                revdate\n",
-      "Version:                                      revision\n",
-      "Version description:                          revdesc\n",
-      "Input dataset:                                input_dataset\n",
-      "Software:                                     software\n",
-      "Statistics:                                   statistics\n",
-      "Data level:                                   datalevel\n",
-      "Period code:                                  period\n",
-      "Resolution code:                              resolution\n",
-      "Sample duration:                              duration\n",
-      "Orig. time res.:                              rescode_sample\n",
-      "Station code:                                 station_code\n",
-      "Platform code:                                platform_code\n",
-      "Station name:                                 station_name\n",
-      "Station WDCA-ID:                              station_wdca_id\n",
-      "Station GAW-ID:                               station_gaw_id\n",
-      "Station GAW-Name:                             station_gaw_name\n",
-      "Station AIRS-ID:                              station_airs_id\n",
-      "Station other IDs:                            station_other_ids\n",
-      "Station state/province:                       station_state_code\n",
-      "Station land use:                             station_landuse\n",
-      "Station setting:                              station_setting\n",
-      "Station GAW type:                             station_gaw_type\n",
-      "Station WMO region:                           station_wmo_region\n",
-      "Station latitude:                             station_latitude\n",
-      "Station longitude:                            station_longitude\n",
-      "Station altitude:                             station_altitude\n",
-      "Measurement latitude:                         mea_latitude\n",
-      "Measurement longitude:                        mea_longitude\n",
-      "Measurement altitude:                         mea_altitude\n",
-      "Measurement height:                           mea_height\n",
-      "Regime:                                       regime\n",
-      "Component:                                    comp_name\n",
-      "Unit:                                         unit\n",
-      "Matrix:                                       matrix\n",
-      "Laboratory code:                              lab_code\n",
-      "Instrument type:                              instr_type\n",
-      "Instrument name:                              instr_name\n",
-      "Instrument manufacturer:                      instr_manufacturer\n",
-      "Instrument model:                             instr_model\n",
-      "Instrument serial number:                     instr_serialno\n",
-      "Sensor type:                                  sensor_type\n",
-      "Analytical laboratory code:                   ana_lab_code\n",
-      "Analytical measurement technique:             ana_technique\n",
-      "Analytical instrument name:                   ana_instr_name\n",
-      "Analytical instrument manufacturer:           ana_instr_manufacturer\n",
-      "Analytical instrument model:                  ana_instr_model\n",
-      "Analytical instrument serial number:          ana_instr_serialno\n",
-      "Ext. lab. code:                               ext_lab\n",
-      "Method ref:                                   method\n",
-      "Standard method:                              std_method\n",
-      "Calibration scale:                            cal_scale\n",
-      "Calibration standard ID:                      cal_std_id\n",
-      "Secondary standard ID:                        sec_std_id\n",
-      "Inlet type:                                   inlet_type\n",
-      "Inlet description:                            inlet_desc\n",
-      "Inlet tube material:                          inlet_tube_material\n",
-      "Inlet tube outer diameter:                    inlet_tube_outerD\n",
-      "Inlet tube inner diameter:                    inlet_tube_innerD\n",
-      "Inlet tube length:                            inlet_tube_length\n",
-      "Time from entry inlet line to entry of converter: time_inlet_to_converter\n",
-      "Duration of stay in converter or bypass line: time_converter_or_bypass_line\n",
-      "Duration of stay in converter:                time_stay_converter\n",
-      "Converter temperature:                        converter_temp\n",
-      "Maintenance description:                      maintenance_desc\n",
-      "Flow rate:                                    flow_rate\n",
-      "Filter face velocity:                         filter_face_velocity\n",
-      "Exposed filter area:                          filter_area\n",
-      "Filter description:                           filter_descr\n",
-      "Medium:                                       medium\n",
-      "Coating/Solution:                             coating_solution\n",
-      "Filter prefiring:                             filter_prefiring\n",
-      "Filter conditioning:                          filter_conditioning\n",
-      "Filter type:                                  filter_type\n",
-      "Sample preparation:                           sample_prep\n",
-      "Blank correction:                             blank_corr\n",
-      "Artifact correction:                          artifact_corr\n",
-      "Artifact correction description:              artifact_corr_desc\n",
-      "Charring correction:                          charring_corr\n",
-      "Ozone correction:                             ozone_corr\n",
-      "Water vapor correction:                       watervapor_corr\n",
-      "Zero/span check type:                         zero_span_type\n",
-      "Zero/span check interval:                     zero_span_interval\n",
-      "Humidity/temperature control:                 hum_temp_ctrl\n",
-      "Humidity/temperature control description:     hum_temp_ctrl_desc\n",
-      "Volume std. temperature:                      vol_std_temp\n",
-      "Volume std. pressure:                         vol_std_pressure\n",
-      "Detection limit:                              detection_limit\n",
-      "Detection limit expl.:                        detection_limit_desc\n",
-      "Upper range limit:                            upper_range_limit\n",
-      "Measurement uncertainty:                      uncertainty\n",
-      "Measurement uncertainty expl.:                uncertainty_desc\n",
-      "Zero/negative values code:                    zero_negative\n",
-      "Zero/negative values:                         zero_negative_desc\n",
-      "Absorption cross section:                     abs_cross_section\n",
-      "Mass absorption cross section:                mass_abs_cross_section\n",
-      "Multi-scattering correction factor:           multi_scattering_corr_fact\n",
-      "Maximum attenuation:                          max_attenuation\n",
-      "Leakage factor zeta:                          leakage_factor_zeta\n",
-      "Compensation threshold attenuation 1:         comp_thresh_atten1\n",
-      "Compensation threshold attenuation 2:         comp_thresh_atten2\n",
-      "Compensation parameter k min:                 comp_param_kmin\n",
-      "Compensation parameter k max:                 comp_param_kmax\n",
-      "Coincidence correction:                       coincidence_corr\n",
-      "Charge type:                                  charge_type\n",
-      "Inlet diffusion loss data:                    inlet_diffusion_loss_data\n",
-      "CPC default pulse width:                      cpc_default_pulse_width\n",
-      "QA measure ID:                                qm_id\n",
-      "QA measure description:                       qm_desc\n",
-      "QA date:                                      qa_date\n",
-      "QA outcome:                                   qa_outcome\n",
-      "QA bias:                                      qa_bias\n",
-      "QA variability:                               qa_variability\n",
-      "QA document name:                             qa_doc_name\n",
-      "QA document date:                             qa_doc_date\n",
-      "QA document URL:                              qa_doc_url\n",
-      "Originator:                                   originator\n",
-      "Submitter:                                    submitter\n",
-      "Acknowledgement:                              acknowledgements\n",
-      "Comment:                                      comment\n"
+      "Nasa Ames tag                                 NetCDF attribute                    Object key\n",
+      "--------------------------------------------- ----------------------------------- ----------\n",
+      "Data definition                               data_definition                     datadef\n",
+      "Data license                                  data_license                        license\n",
+      "Citation                                      citation                            citation\n",
+      "Set type code                                 set_type_code                       type\n",
+      "Timezone                                      timezone                            timezone\n",
+      "Timeref                                       timeref                             timeref\n",
+      "File name                                     file_name                           filename\n",
+      "Represents DOI                                represents_doi                      doi\n",
+      "Contains data from DOI                        contains_doi                        doi_list\n",
+      "File creation                                 file_creation                       creation_time\n",
+      "Export state                                  export_state                        export_state\n",
+      "Export filter                                 export_filter                       export_filter\n",
+      "Startdate                                     startdate                           startdate\n",
+      "Revision date                                 revision_date                       revdate\n",
+      "Version                                       version                             revision\n",
+      "Version description                           version_description                 revdesc\n",
+      "Input dataset                                 input_dataset                       input_dataset\n",
+      "Software                                      software                            software\n",
+      "Statistics                                    statistics                          statistics\n",
+      "Data level                                    data_level                          datalevel\n",
+      "Period code                                   period_code                         period\n",
+      "Resolution code                               resolution_code                     resolution\n",
+      "Sample duration                               sample_duration                     duration\n",
+      "Orig. time res.                               orig_time_res                       rescode_sample\n",
+      "Station code                                  station_code                        station_code\n",
+      "Platform code                                 platform_code                       platform_code\n",
+      "Station name                                  station_name                        station_name\n",
+      "Station WDCA-ID                               station_wdca_id                     station_wdca_id\n",
+      "Station GAW-ID                                station_gaw_id                      station_gaw_id\n",
+      "Station GAW-Name                              station_gaw_name                    station_gaw_name\n",
+      "Station AIRS-ID                               station_airs_id                     station_airs_id\n",
+      "Station other IDs                             station_other_ids                   station_other_ids\n",
+      "Station state/province                        station_state_province              station_state_code\n",
+      "Station land use                              station_land_use                    station_landuse\n",
+      "Station setting                               station_setting                     station_setting\n",
+      "Station GAW type                              station_gaw_type                    station_gaw_type\n",
+      "Station WMO region                            station_wmo_region                  station_wmo_region\n",
+      "Station latitude                              station_latitude                    station_latitude\n",
+      "Station longitude                             station_longitude                   station_longitude\n",
+      "Station altitude                              station_altitude                    station_altitude\n",
+      "Measurement latitude                          measuremenet_latitude               mea_latitude\n",
+      "Measurement longitude                         measurement_longitude               mea_longitude\n",
+      "Measurement altitude                          measurement_altitude                mea_altitude\n",
+      "Measurement height                            measurement_height                  mea_height\n",
+      "Regime                                        regime                              regime\n",
+      "Component                                     component                           comp_name\n",
+      "Unit                                          unit                                unit\n",
+      "Matrix                                        matrix                              matrix\n",
+      "Laboratory code                               laboratory_code                     lab_code\n",
+      "Instrument type                               instrument_type                     instr_type\n",
+      "Instrument name                               instrument_name                     instr_name\n",
+      "Instrument manufacturer                       instrument_manufacturer             instr_manufacturer\n",
+      "Instrument model                              instrument_model                    instr_model\n",
+      "Instrument serial number                      instrument_serial_number            instr_serialno\n",
+      "Sensor type                                   sensor_type                         sensor_type\n",
+      "Analytical laboratory code                    analytical_laboratory_code          ana_lab_code\n",
+      "Analytical measurement technique              analytical_measurement_technique    ana_technique\n",
+      "Analytical instrument name                    analytical_instrument_name          ana_instr_name\n",
+      "Analytical instrument manufacturer            analytical_instrument_manufacturer  ana_instr_manufacturer\n",
+      "Analytical instrument model                   analytical_instrument_model         ana_instr_model\n",
+      "Analytical instrument serial number           analytical_instrument_serial_number ana_instr_serialno\n",
+      "Ext. lab. code                                ext_lab_code                        ext_lab\n",
+      "Method ref                                    method_ref                          method\n",
+      "Standard method                               standard_method                     std_method\n",
+      "Calibration scale                             calibration_scale                   cal_scale\n",
+      "Calibration standard ID                       calibration_standard_id             cal_std_id\n",
+      "Secondary standard ID                         secondary_standard_id               sec_std_id\n",
+      "Inlet type                                    inlet_type                          inlet_type\n",
+      "Inlet description                             inlet_description                   inlet_desc\n",
+      "Inlet tube material                           inlet_tube_material                 inlet_tube_material\n",
+      "Inlet tube outer diameter                     inlet_tube_outer_diameter           inlet_tube_outerD\n",
+      "Inlet tube inner diameter                     inlet_tube_inner_diameter           inlet_tube_innerD\n",
+      "Inlet tube length                             inlet_tube_length                   inlet_tube_length\n",
+      "Time from entry inlet line to entry of converter time_from_entry_inlet_line_to_entry_of_converter time_inlet_to_converter\n",
+      "Duration of stay in converter or bypass line  duration_of_stay_in_converter_or_bypass_line time_converter_or_bypass_line\n",
+      "Duration of stay in converter                 duration_of_stay_in_converter       time_stay_converter\n",
+      "Converter temperature                         converter_temperature               converter_temp\n",
+      "Maintenance description                       maintenance_description             maintenance_desc\n",
+      "Flow rate                                     flow_rate                           flow_rate\n",
+      "Filter face velocity                          filter_face_velocity                filter_face_velocity\n",
+      "Exposed filter area                           exposed_filter_area                 filter_area\n",
+      "Filter description                            filter_description                  filter_descr\n",
+      "Medium                                        medium                              medium\n",
+      "Coating/Solution                              coating_solution                    coating_solution\n",
+      "Filter prefiring                              filter_prefiring                    filter_prefiring\n",
+      "Filter conditioning                           filter_conditioning                 filter_conditioning\n",
+      "Filter type                                   filter_type                         filter_type\n",
+      "Sample preparation                            sample_preparation                  sample_prep\n",
+      "Blank correction                              blank_correction                    blank_corr\n",
+      "Artifact correction                           artifact_correction                 artifact_corr\n",
+      "Artifact correction description               artifact_correction_description     artifact_corr_desc\n",
+      "Charring correction                           charring_correction                 charring_corr\n",
+      "Ozone correction                              ozone_correction                    ozone_corr\n",
+      "Water vapor correction                        water_vapor_correction              watervapor_corr\n",
+      "Zero/span check type                          zero_span_check_type                zero_span_type\n",
+      "Zero/span check interval                      zero_span_check_interval            zero_span_interval\n",
+      "Humidity/temperature control                  humidity_temperaure_control         hum_temp_ctrl\n",
+      "Humidity/temperature control description      humidity_temperaure_control_description hum_temp_ctrl_desc\n",
+      "Volume std. temperature                       volume_std_temperature              vol_std_temp\n",
+      "Volume std. pressure                          volume_std_pressure                 vol_std_pressure\n",
+      "Detection limit                               detection_limit                     detection_limit\n",
+      "Detection limit expl.                         detection_limit_expl                detection_limit_desc\n",
+      "Upper range limit                             upper_range_limit                   upper_range_limit\n",
+      "Measurement uncertainty                       measurement_uncertainty             uncertainty\n",
+      "Measurement uncertainty expl.                 measurement_uncertainty_expl        uncertainty_desc\n",
+      "Zero/negative values code                     zero_negative_values_code           zero_negative\n",
+      "Zero/negative values                          zero_negative_values                zero_negative_desc\n",
+      "Absorption cross section                      absorption_cross_section            abs_cross_section\n",
+      "Mass absorption cross section                 mass_absorption_cross_section       mass_abs_cross_section\n",
+      "Multi-scattering correction factor            multi_scattering_correction_factor  multi_scattering_corr_fact\n",
+      "Maximum attenuation                           maximum_attenuation                 max_attenuation\n",
+      "Leakage factor zeta                           leakage_factor_zeta                 leakage_factor_zeta\n",
+      "Compensation threshold attenuation 1          compensation_threshold_attenuation_1 comp_thresh_atten1\n",
+      "Compensation threshold attenuation 2          compensation_threshold_attenuation_2 comp_thresh_atten2\n",
+      "Compensation parameter k min                  compensation_parameter_k_min        comp_param_kmin\n",
+      "Compensation parameter k max                  compensation_parameter_k_max        comp_param_kmax\n",
+      "Coincidence correction                        coincidence_correction              coincidence_corr\n",
+      "Charge type                                   charge_type                         charge_type\n",
+      "Inlet diffusion loss data                     inlet_diffusion_loss_data           inlet_diffusion_loss_data\n",
+      "CPC default pulse width                       cpc_default_pulse_width             cpc_default_pulse_width\n",
+      "QA measure ID                                 qa_measure_id                       qm_id\n",
+      "QA measure description                        qa_measure_description              qm_desc\n",
+      "QA date                                       qa_date                             qa_date\n",
+      "QA outcome                                    qa_outcome                          qa_outcome\n",
+      "QA bias                                       qa_bias                             qa_bias\n",
+      "QA variability                                qa_variability                      qa_variability\n",
+      "QA document name                              qa_document_name                    qa_doc_name\n",
+      "QA document date                              qa_document_date                    qa_doc_date\n",
+      "QA document URL                               qa_document_url                     qa_doc_url\n",
+      "Originator                                    originator                          originator\n",
+      "Submitter                                     submitter                           submitter\n",
+      "Acknowledgement                               acknowledgement                     acknowledgements\n",
+      "Comment                                       comment                             comment\n"
      ]
     }
    ],
    "source": [
+    "print(f'{\"Nasa Ames tag\":45s} {\"NetCDF attribute\":35s} Object key')\n",
+    "print(f'{\"-\"*45} {\"-\"*35} ----------')\n",
     "for elem in [x for x in meta.metadata if x['main'] or x['vname']]:\n",
     "    if not 'renamed_tag' in elem:\n",
-    "        print(\"{:45s} {}\".format(elem['tag']+\":\", elem['key']))"
+    "        print(f'{elem[\"tag\"]:45s} {elem[\"nc_tag\"]:35s} {elem[\"key\"]}')"
    ]
   },
   {
@@ -375,13 +379,6 @@
    "source": [
     "meta.metadata_keys['instr_manufacturer']['tag']"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {