diff --git a/pyart/aux_io/odim_h5.py b/pyart/aux_io/odim_h5.py
index ee042b0e0..55e28d07e 100644
--- a/pyart/aux_io/odim_h5.py
+++ b/pyart/aux_io/odim_h5.py
@@ -390,7 +390,7 @@ def read_odim_grid_h5(filename, field_names=None, additional_metadata=None,
                 2.)
 
         x['data'] = xvec
-        y['data'] = yvec
+        y['data'] = yvec[::-1] # conversion img -> map coordinates
         z['data'] = np.array([0], dtype='float64')
 
         if odim_object == 'CVOL':  # CAPPI case
@@ -486,7 +486,7 @@ def read_odim_grid_h5(filename, field_names=None, additional_metadata=None,
                 ny = h_where['ysize']
                 nx = h_where['xsize']
                 field_dic['data'] = ma_broadcast_to(
-                     fdata[::-1, :], (1, ny, nx))
+                     fdata, (1, ny, nx))
             field_dic['_FillValue'] = nodata
             field_dic['undetect'] = undetect
 
@@ -547,7 +547,7 @@ def read_odim_grid_h5(filename, field_names=None, additional_metadata=None,
         else:
             origin_latitude['data'] = np.array([0.])
         if 'lon_0' in projection:
-            origin_longitude['data'] = np.array([projection['lat_0']])
+            origin_longitude['data'] = np.array([projection['lon_0']])
         else:
             origin_longitude['data'] = np.array([0.])
         origin_altitude['data'] = np.array([0.])
diff --git a/pyart/aux_io/odim_h5_writer.py b/pyart/aux_io/odim_h5_writer.py
index dc5c651d8..8cff710c3 100644
--- a/pyart/aux_io/odim_h5_writer.py
+++ b/pyart/aux_io/odim_h5_writer.py
@@ -165,7 +165,7 @@ def write_odim_grid_h5(filename, grid, field_names=None, physical=True,
 
     # where - UL, LL, LR, UR, scales, sizes, projdef
     x = grid.x['data']
-    y = grid.y['data']
+    y = grid.y['data'][::-1] # conversion img -> map coordinates
     X, Y = np.meshgrid(x, y)
     lon, lat = X, Y
 
@@ -319,10 +319,6 @@ def write_odim_grid_h5(filename, grid, field_names=None, physical=True,
                 grid, i, field_name, physical=physical,
                 undefined_value=undefined_value)
 
-            if data_dict['data'].ndim == 2:
-                # Switch index to agree with ODIM standard
-                data_dict['data'] = data_dict['data'][::-1]
-
             # write data
             what3_dict[i][j]['gain'] = data_dict['gain']
             what3_dict[i][j]['offset'] = data_dict['offset']
diff --git a/tests/aux_io/test_odim_grid_h5.py b/tests/aux_io/test_odim_grid_h5.py
index 8fafdae5e..8f4247a4f 100644
--- a/tests/aux_io/test_odim_grid_h5.py
+++ b/tests/aux_io/test_odim_grid_h5.py
@@ -43,7 +43,7 @@ def test_y():
     assert "units" in grid.y
     assert "data" in grid.y
     assert grid.y["data"].shape == (640,)
-    assert_almost_equal(grid.y["data"][0], -159500, 0)
+    assert_almost_equal(grid.y["data"][0], 479500, 0)
 
 # fields attribute is tested later
 
@@ -56,13 +56,21 @@ def test_metadata():
     assert "instrument_name" in grid.metadata
     assert "radar" in grid.metadata
 
+# origin_longitude attribute
+def test_origin_longitude():
+    assert "data" in grid.origin_longitude
+    assert "standard_name" in grid.origin_longitude
+    assert "units" in grid.origin_longitude
+    assert grid.origin_longitude["data"].shape == (1,)
+    assert_almost_equal(grid.origin_longitude["data"], 7.43, 0)
+
 # origin_latitude attribute
-def test_latitude():
+def test_origin_latitude():
     assert "data" in grid.origin_latitude
     assert "standard_name" in grid.origin_latitude
     assert "units" in grid.origin_latitude
     assert grid.origin_latitude["data"].shape == (1,)
-    assert_almost_equal(grid.origin_latitude["data"], 46.95240556, 0)
+    assert_almost_equal(grid.origin_latitude["data"], 46.952, 0)
 
 
 # point_longitude attribute
@@ -79,7 +87,7 @@ def test_point_latitude():
     assert "long_name" in grid.point_latitude
     assert "units" in grid.point_latitude
     assert grid.point_latitude["data"].shape == (1,640,710)
-    assert_almost_equal(grid.point_latitude["data"][0,0,0],43.63508830, 0)
+    assert_almost_equal(grid.point_latitude["data"][0,0,0], 49.370, 0)
 
 ####################
 # fields attribute #
@@ -152,7 +160,7 @@ def test_field_points(field, field_value):
 
 
 def check_field_point(field, value):
-    assert_almost_equal(grid.fields[field]["data"][0,49,501], value, 0)
+    assert_almost_equal(grid.fields[field]["data"][0,590,501], value, 0)
 
 
 ########################################################################