diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59c51a5..dabf562 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Security
 
 
+## [Released] - 2023-09-13
+
+### Added
+  - Add configs SWOT_L2_NALT_OGDR_1.0 and SWOT_L2_NALT_IGDR_1.0
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+
+
 ## [Released] - 2023-06-27
 
 ### Added
diff --git a/config-files/SWOT_L2_NALT_IGDR_1.0.cfg b/config-files/SWOT_L2_NALT_IGDR_1.0.cfg
new file mode 100644
index 0000000..62ffc32
--- /dev/null
+++ b/config-files/SWOT_L2_NALT_IGDR_1.0.cfg
@@ -0,0 +1,91 @@
+{
+  "shortName": "SWOT_L2_NALT_IGDR_1.0",
+  "latVar": "data_01/latitude",
+  "lonVar": "data_01/longitude",
+  "timeVar": "data_01/time",
+  "is360": true,
+  "tiles": {
+    "steps": [
+      30,
+      14
+    ]
+  },
+  "footprint": {
+    "strategy": "swot_linestring",
+    "t": "0:0,0:*",
+    "s1": "0:*,0:0",
+    "b": "*:*,0:*",
+    "s2": "0:*,*:*"
+  },
+  "imgVariables": [
+    {
+      "id": "data_01/ku/swh_ocean",
+      "title": "Ku band corrected significant waveheight",
+      "units": "m",
+      "min": 0.0,
+      "max": 30.0,
+      "palette": "paletteMedspirationIndexed"
+    },
+    {
+      "id": "data_01/ku/ssha",
+      "title": "sea surface height anomaly",
+      "units": "m",
+      "min": -0.2,
+      "max": 0.2,
+      "palette": "paletteMedspirationIndexed"
+    }
+  ],
+  "image": {
+    "ppd": 16,
+    "res": 8
+  },
+  "variables": [
+    "data_01/time",
+    "data_01/time_tai",
+    "data_01/latitude",
+    "data_01/longitude",
+    "data_01/rad_side_1_surface_type_flag",
+    "data_01/rad_side_2_surface_type_flag",
+    "data_01/surface_classification_flag",
+    "data_01/alt_qual",
+    "data_01/rad_qual",
+    "data_01/geo_qual",
+    "data_01/meteo_map_availability_flag",
+    "data_01/rain_flag",
+    "data_01/rad_side_1_rain_flag",
+    "data_01/rad_side_2_rain_flag",
+    "data_01/ice_flag",
+    "data_01/rad_side_1_sea_ice_flag",
+    "data_01/rad_side_2_sea_ice_flag",
+    "data_01/rad_wet_tropo_cor_interp_qual",
+    "data_01/altitude",
+    "data_01/model_dry_tropo_cor_zero_altitude",
+    "data_01/rad_wet_tropo_cor",
+    "data_01/mean_sea_surface_cnescls",
+    "data_01/mean_dynamic_topography",
+    "data_01/depth_or_elevation",
+    "data_01/inv_bar_cor",
+    "data_01/dac",
+    "data_01/ocean_tide_fes",
+    "data_01/solid_earth_tide",
+    "data_01/pole_tide",
+    "data_01/internal_tide_hret",
+    "data_01/wind_speed_alt",
+    "data_01/wind_speed_alt_mle3",
+    "data_01/rad_water_vapor",
+    "data_01/rad_cloud_liquid_water",
+    "data_01/ku/range_ocean",
+    "data_01/ku/range_ocean_mle3",
+    "data_01/ku/iono_cor_alt_filtered",
+    "data_01/ku/iono_cor_alt_filtered_mle3",
+    "data_01/ku/sea_state_bias",
+    "data_01/ku/sea_state_bias_mle3",
+    "data_01/ku/swh_ocean",
+    "data_01/ku/swh_ocean_mle3",
+    "data_01/ku/sig0_ocean",
+    "data_01/ku/sig0_ocean_mle3",
+    "data_01/ku/wvf_main_class",
+    "data_01/ku/ssha",
+    "data_01/ku/ssha_mle3"
+  ]
+}
diff --git a/config-files/SWOT_L2_NALT_OGDR_1.0.cfg b/config-files/SWOT_L2_NALT_OGDR_1.0.cfg
new file mode 100644
index 0000000..88013b1
--- /dev/null
+++ b/config-files/SWOT_L2_NALT_OGDR_1.0.cfg
@@ -0,0 +1,91 @@
+{
+  "shortName": "SWOT_L2_NALT_OGDR_1.0",
+  "latVar": "data_01/latitude",
+  "lonVar": "data_01/longitude",
+  "timeVar": "data_01/time",
+  "is360": true,
+  "tiles": {
+    "steps": [
+      30,
+      14
+    ]
+  },
+  "footprint": {
+    "strategy": "swot_linestring",
+    "t": "0:0,0:*",
+    "s1": "0:*,0:0",
+    "b": "*:*,0:*",
+    "s2": "0:*,*:*"
+  },
+  "imgVariables": [
+    {
+      "id": "data_01/ku/swh_ocean",
+      "title": "Ku band corrected significant waveheight",
+      "units": "m",
+      "min": 0.0,
+      "max": 30.0,
+      "palette": "paletteMedspirationIndexed"
+    },
+    {
+      "id": "data_01/ku/ssha",
+      "title": "sea surface height anomaly",
+      "units": "m",
+      "min": -0.2,
+      "max": 0.2,
+      "palette": "paletteMedspirationIndexed"
+    }
+  ],
+  "image": {
+    "ppd": 16,
+    "res": 8
+  },
+  "variables": [
+    "data_01/time",
+    "data_01/time_tai",
+    "data_01/latitude",
+    "data_01/longitude",
+    "data_01/rad_side_1_surface_type_flag",
+    "data_01/rad_side_2_surface_type_flag",
+    "data_01/surface_classification_flag",
+    "data_01/alt_qual",
+    "data_01/rad_qual",
+    "data_01/geo_qual",
+    "data_01/meteo_map_availability_flag",
+    "data_01/rain_flag",
+    "data_01/rad_side_1_rain_flag",
+    "data_01/rad_side_2_rain_flag",
+    "data_01/ice_flag",
+    "data_01/rad_side_1_sea_ice_flag",
+    "data_01/rad_side_2_sea_ice_flag",
+    "data_01/rad_wet_tropo_cor_interp_qual",
+    "data_01/altitude",
+    "data_01/model_dry_tropo_cor_zero_altitude",
+    "data_01/rad_wet_tropo_cor",
+    "data_01/mean_sea_surface_cnescls",
+    "data_01/mean_dynamic_topography",
+    "data_01/depth_or_elevation",
+    "data_01/inv_bar_cor",
+    "data_01/dac",
+    "data_01/ocean_tide_fes",
+    "data_01/solid_earth_tide",
+    "data_01/pole_tide",
+    "data_01/internal_tide_hret",
+    "data_01/wind_speed_alt",
+    "data_01/wind_speed_alt_mle3",
+    "data_01/rad_water_vapor",
+    "data_01/rad_cloud_liquid_water",
+    "data_01/ku/range_ocean",
+    "data_01/ku/range_ocean_mle3",
+    "data_01/ku/iono_cor_alt_filtered",
+    "data_01/ku/iono_cor_alt_filtered_mle3",
+    "data_01/ku/sea_state_bias",
+    "data_01/ku/sea_state_bias_mle3",
+    "data_01/ku/swh_ocean",
+    "data_01/ku/swh_ocean_mle3",
+    "data_01/ku/sig0_ocean",
+    "data_01/ku/sig0_ocean_mle3",
+    "data_01/ku/wvf_main_class",
+    "data_01/ku/ssha",
+    "data_01/ku/ssha_mle3"
+  ]
+}